1249 lines
33 KiB
Go
1249 lines
33 KiB
Go
// Copyright 2014 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package local
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import (
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"bufio"
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"errors"
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"os"
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"path/filepath"
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"reflect"
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"sync"
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"testing"
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"time"
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"github.com/prometheus/common/model"
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"github.com/prometheus/prometheus/storage/local/codable"
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"github.com/prometheus/prometheus/storage/local/index"
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"github.com/prometheus/prometheus/util/testutil"
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)
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var (
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m1 = model.Metric{"label": "value1"}
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m2 = model.Metric{"label": "value2"}
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m3 = model.Metric{"label": "value3"}
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m4 = model.Metric{"label": "value4"}
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m5 = model.Metric{"label": "value5"}
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)
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func newTestPersistence(t *testing.T, encoding chunkEncoding) (*persistence, testutil.Closer) {
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DefaultChunkEncoding = encoding
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dir := testutil.NewTemporaryDirectory("test_persistence", t)
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p, err := newPersistence(dir.Path(), false, false, func() bool { return false }, 0.1)
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if err != nil {
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dir.Close()
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t.Fatal(err)
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}
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go p.run()
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return p, testutil.NewCallbackCloser(func() {
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p.close()
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dir.Close()
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})
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}
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func buildTestChunks(t *testing.T, encoding chunkEncoding) map[model.Fingerprint][]chunk {
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fps := model.Fingerprints{
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m1.FastFingerprint(),
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m2.FastFingerprint(),
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m3.FastFingerprint(),
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}
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fpToChunks := map[model.Fingerprint][]chunk{}
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for _, fp := range fps {
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fpToChunks[fp] = make([]chunk, 0, 10)
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for i := 0; i < 10; i++ {
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ch, err := newChunkForEncoding(encoding)
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if err != nil {
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t.Fatal(err)
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}
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chs, err := ch.add(model.SamplePair{
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Timestamp: model.Time(i),
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Value: model.SampleValue(fp),
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})
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if err != nil {
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t.Fatal(err)
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}
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fpToChunks[fp] = append(fpToChunks[fp], chs[0])
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}
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}
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return fpToChunks
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}
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func chunksEqual(c1, c2 chunk) bool {
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it1 := c1.newIterator()
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it2 := c2.newIterator()
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for it1.scan() && it2.scan() {
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if !(it1.value() == it2.value()) {
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return false
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}
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}
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return it1.err() == nil && it2.err() == nil
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}
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func testPersistLoadDropChunks(t *testing.T, encoding chunkEncoding) {
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p, closer := newTestPersistence(t, encoding)
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defer closer.Close()
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fpToChunks := buildTestChunks(t, encoding)
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for fp, chunks := range fpToChunks {
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firstTimeNotDropped, offset, numDropped, allDropped, err :=
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p.dropAndPersistChunks(fp, model.Earliest, chunks)
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if err != nil {
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t.Fatal(err)
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}
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if got, want := firstTimeNotDropped, model.Time(0); got != want {
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t.Errorf("Want firstTimeNotDropped %v, got %v.", got, want)
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}
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if got, want := offset, 0; got != want {
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t.Errorf("Want offset %v, got %v.", got, want)
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}
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if got, want := numDropped, 0; got != want {
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t.Errorf("Want numDropped %v, got %v.", got, want)
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}
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if allDropped {
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t.Error("All dropped.")
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}
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}
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for fp, expectedChunks := range fpToChunks {
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indexes := make([]int, 0, len(expectedChunks))
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for i := range expectedChunks {
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indexes = append(indexes, i)
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}
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actualChunks, err := p.loadChunks(fp, indexes, 0)
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if err != nil {
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t.Fatal(err)
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}
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for _, i := range indexes {
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if !chunksEqual(expectedChunks[i], actualChunks[i]) {
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t.Errorf("%d. Chunks not equal.", i)
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}
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}
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// Load all chunk descs.
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actualChunkDescs, err := p.loadChunkDescs(fp, 0)
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if len(actualChunkDescs) != 10 {
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t.Errorf("Got %d chunkDescs, want %d.", len(actualChunkDescs), 10)
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}
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for i, cd := range actualChunkDescs {
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lastTime, err := cd.lastTime()
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if err != nil {
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t.Fatal(err)
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}
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if cd.firstTime() != model.Time(i) || lastTime != model.Time(i) {
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t.Errorf(
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"Want ts=%v, got firstTime=%v, lastTime=%v.",
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i, cd.firstTime(), lastTime,
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)
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}
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}
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// Load chunk descs partially.
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actualChunkDescs, err = p.loadChunkDescs(fp, 5)
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if len(actualChunkDescs) != 5 {
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t.Errorf("Got %d chunkDescs, want %d.", len(actualChunkDescs), 5)
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}
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for i, cd := range actualChunkDescs {
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lastTime, err := cd.lastTime()
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if err != nil {
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t.Fatal(err)
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}
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if cd.firstTime() != model.Time(i) || lastTime != model.Time(i) {
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t.Errorf(
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"Want ts=%v, got firstTime=%v, lastTime=%v.",
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i, cd.firstTime(), lastTime,
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)
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}
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}
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}
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// Drop half of the chunks.
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for fp, expectedChunks := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 5, nil)
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if err != nil {
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t.Fatal(err)
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}
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if offset != 5 {
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t.Errorf("want offset 5, got %d", offset)
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}
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if firstTime != 5 {
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t.Errorf("want first time 5, got %d", firstTime)
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}
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if numDropped != 5 {
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t.Errorf("want 5 dropped chunks, got %v", numDropped)
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}
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if allDropped {
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t.Error("all chunks dropped")
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}
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indexes := make([]int, 5)
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for i := range indexes {
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indexes[i] = i
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}
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actualChunks, err := p.loadChunks(fp, indexes, 0)
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if err != nil {
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t.Fatal(err)
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}
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for _, i := range indexes {
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if !chunksEqual(expectedChunks[i+5], actualChunks[i]) {
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t.Errorf("%d. Chunks not equal.", i)
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}
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}
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}
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// Drop all the chunks.
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for fp := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 100, nil)
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if firstTime != 0 {
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t.Errorf("want first time 0, got %d", firstTime)
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}
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if err != nil {
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t.Fatal(err)
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}
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if offset != 0 {
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t.Errorf("want offset 0, got %d", offset)
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}
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if numDropped != 5 {
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t.Errorf("want 5 dropped chunks, got %v", numDropped)
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}
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if !allDropped {
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t.Error("not all chunks dropped")
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}
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}
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// Re-add first two of the chunks.
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for fp, chunks := range fpToChunks {
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firstTimeNotDropped, offset, numDropped, allDropped, err :=
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p.dropAndPersistChunks(fp, model.Earliest, chunks[:2])
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if err != nil {
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t.Fatal(err)
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}
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if got, want := firstTimeNotDropped, model.Time(0); got != want {
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t.Errorf("Want firstTimeNotDropped %v, got %v.", got, want)
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}
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if got, want := offset, 0; got != want {
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t.Errorf("Want offset %v, got %v.", got, want)
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}
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if got, want := numDropped, 0; got != want {
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t.Errorf("Want numDropped %v, got %v.", got, want)
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}
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if allDropped {
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t.Error("All dropped.")
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}
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}
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// Drop the first of the chunks while adding two more.
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for fp, chunks := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 1, chunks[2:4])
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if err != nil {
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t.Fatal(err)
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}
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if offset != 1 {
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t.Errorf("want offset 1, got %d", offset)
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}
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if firstTime != 1 {
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t.Errorf("want first time 1, got %d", firstTime)
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}
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if numDropped != 1 {
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t.Errorf("want 1 dropped chunk, got %v", numDropped)
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}
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if allDropped {
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t.Error("all chunks dropped")
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}
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wantChunks := chunks[1:4]
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indexes := make([]int, len(wantChunks))
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for i := range indexes {
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indexes[i] = i
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}
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gotChunks, err := p.loadChunks(fp, indexes, 0)
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if err != nil {
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t.Fatal(err)
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}
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for i, wantChunk := range wantChunks {
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if !chunksEqual(wantChunk, gotChunks[i]) {
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t.Errorf("%d. Chunks not equal.", i)
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}
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}
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}
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// Drop all the chunks while adding two more.
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for fp, chunks := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 4, chunks[4:6])
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if err != nil {
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t.Fatal(err)
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}
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if offset != 0 {
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t.Errorf("want offset 0, got %d", offset)
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}
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if firstTime != 4 {
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t.Errorf("want first time 4, got %d", firstTime)
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}
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if numDropped != 3 {
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t.Errorf("want 3 dropped chunks, got %v", numDropped)
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}
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if allDropped {
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t.Error("all chunks dropped")
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}
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wantChunks := chunks[4:6]
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indexes := make([]int, len(wantChunks))
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for i := range indexes {
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indexes[i] = i
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}
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gotChunks, err := p.loadChunks(fp, indexes, 0)
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if err != nil {
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t.Fatal(err)
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}
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for i, wantChunk := range wantChunks {
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if !chunksEqual(wantChunk, gotChunks[i]) {
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t.Errorf("%d. Chunks not equal.", i)
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}
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}
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}
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// While adding two more, drop all but one of the added ones.
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for fp, chunks := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 7, chunks[6:8])
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if err != nil {
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t.Fatal(err)
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}
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if offset != 0 {
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t.Errorf("want offset 0, got %d", offset)
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}
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if firstTime != 7 {
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t.Errorf("want first time 7, got %d", firstTime)
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}
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if numDropped != 3 {
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t.Errorf("want 3 dropped chunks, got %v", numDropped)
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}
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if allDropped {
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t.Error("all chunks dropped")
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}
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wantChunks := chunks[7:8]
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indexes := make([]int, len(wantChunks))
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for i := range indexes {
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indexes[i] = i
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}
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gotChunks, err := p.loadChunks(fp, indexes, 0)
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if err != nil {
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t.Fatal(err)
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}
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for i, wantChunk := range wantChunks {
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if !chunksEqual(wantChunk, gotChunks[i]) {
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t.Errorf("%d. Chunks not equal.", i)
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}
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}
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}
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// While adding two more, drop all chunks including the added ones.
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for fp, chunks := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 10, chunks[8:])
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if err != nil {
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t.Fatal(err)
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}
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if offset != 0 {
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t.Errorf("want offset 0, got %d", offset)
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}
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if firstTime != 0 {
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t.Errorf("want first time 0, got %d", firstTime)
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}
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if numDropped != 3 {
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t.Errorf("want 3 dropped chunks, got %v", numDropped)
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}
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if !allDropped {
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t.Error("not all chunks dropped")
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}
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}
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// Now set minShrinkRatio to 0.25 and play with it.
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p.minShrinkRatio = 0.25
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// Re-add 8 chunks.
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for fp, chunks := range fpToChunks {
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firstTimeNotDropped, offset, numDropped, allDropped, err :=
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p.dropAndPersistChunks(fp, model.Earliest, chunks[:8])
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if err != nil {
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t.Fatal(err)
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}
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if got, want := firstTimeNotDropped, model.Time(0); got != want {
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t.Errorf("Want firstTimeNotDropped %v, got %v.", got, want)
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}
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if got, want := offset, 0; got != want {
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t.Errorf("Want offset %v, got %v.", got, want)
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}
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if got, want := numDropped, 0; got != want {
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t.Errorf("Want numDropped %v, got %v.", got, want)
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}
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if allDropped {
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t.Error("All dropped.")
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}
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}
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// Drop only the first chunk should not happen, but persistence should still work.
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for fp, chunks := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 1, chunks[8:9])
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if err != nil {
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t.Fatal(err)
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}
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if offset != 8 {
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t.Errorf("want offset 8, got %d", offset)
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}
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if firstTime != 0 {
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t.Errorf("want first time 0, got %d", firstTime)
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}
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if numDropped != 0 {
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t.Errorf("want 0 dropped chunk, got %v", numDropped)
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}
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if allDropped {
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t.Error("all chunks dropped")
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}
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}
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// Drop only the first two chunks should not happen, either.
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for fp := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 2, nil)
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if err != nil {
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t.Fatal(err)
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}
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if offset != 0 {
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t.Errorf("want offset 0, got %d", offset)
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}
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if firstTime != 0 {
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t.Errorf("want first time 0, got %d", firstTime)
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}
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if numDropped != 0 {
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t.Errorf("want 0 dropped chunk, got %v", numDropped)
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}
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if allDropped {
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t.Error("all chunks dropped")
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}
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}
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// Drop the first three chunks should finally work.
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for fp, chunks := range fpToChunks {
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firstTime, offset, numDropped, allDropped, err := p.dropAndPersistChunks(fp, 3, chunks[9:])
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if err != nil {
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t.Fatal(err)
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}
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if offset != 6 {
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t.Errorf("want offset 6, got %d", offset)
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}
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if firstTime != 3 {
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t.Errorf("want first time 3, got %d", firstTime)
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}
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if numDropped != 3 {
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t.Errorf("want 3 dropped chunk, got %v", numDropped)
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}
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if allDropped {
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t.Error("all chunks dropped")
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}
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}
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}
|
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|
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func TestPersistLoadDropChunksType0(t *testing.T) {
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testPersistLoadDropChunks(t, 0)
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}
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func TestPersistLoadDropChunksType1(t *testing.T) {
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testPersistLoadDropChunks(t, 1)
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}
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func testCheckpointAndLoadSeriesMapAndHeads(t *testing.T, encoding chunkEncoding) {
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p, closer := newTestPersistence(t, encoding)
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defer closer.Close()
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fpLocker := newFingerprintLocker(10)
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sm := newSeriesMap()
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s1, _ := newMemorySeries(m1, nil, time.Time{})
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s2, _ := newMemorySeries(m2, nil, time.Time{})
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s3, _ := newMemorySeries(m3, nil, time.Time{})
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s4, _ := newMemorySeries(m4, nil, time.Time{})
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s5, _ := newMemorySeries(m5, nil, time.Time{})
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s1.add(model.SamplePair{Timestamp: 1, Value: 3.14})
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s3.add(model.SamplePair{Timestamp: 2, Value: 2.7})
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s3.headChunkClosed = true
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s3.persistWatermark = 1
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for i := 0; i < 10000; i++ {
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s4.add(model.SamplePair{
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Timestamp: model.Time(i),
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Value: model.SampleValue(i) / 2,
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})
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s5.add(model.SamplePair{
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Timestamp: model.Time(i),
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Value: model.SampleValue(i * i),
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})
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}
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s5.persistWatermark = 3
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chunkCountS4 := len(s4.chunkDescs)
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chunkCountS5 := len(s5.chunkDescs)
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sm.put(m1.FastFingerprint(), s1)
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sm.put(m2.FastFingerprint(), s2)
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sm.put(m3.FastFingerprint(), s3)
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sm.put(m4.FastFingerprint(), s4)
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sm.put(m5.FastFingerprint(), s5)
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if err := p.checkpointSeriesMapAndHeads(sm, fpLocker); err != nil {
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t.Fatal(err)
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}
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|
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loadedSM, _, err := p.loadSeriesMapAndHeads()
|
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if err != nil {
|
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t.Fatal(err)
|
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}
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if loadedSM.length() != 4 {
|
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t.Errorf("want 4 series in map, got %d", loadedSM.length())
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}
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if loadedS1, ok := loadedSM.get(m1.FastFingerprint()); ok {
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if !reflect.DeepEqual(loadedS1.metric, m1) {
|
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t.Errorf("want metric %v, got %v", m1, loadedS1.metric)
|
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}
|
|
if !reflect.DeepEqual(loadedS1.head().c, s1.head().c) {
|
|
t.Error("head chunks differ")
|
|
}
|
|
if loadedS1.chunkDescsOffset != 0 {
|
|
t.Errorf("want chunkDescsOffset 0, got %d", loadedS1.chunkDescsOffset)
|
|
}
|
|
if loadedS1.headChunkClosed {
|
|
t.Error("headChunkClosed is true")
|
|
}
|
|
if loadedS1.head().chunkFirstTime != 1 {
|
|
t.Errorf("want chunkFirstTime in head chunk to be 1, got %d", loadedS1.head().chunkFirstTime)
|
|
}
|
|
if loadedS1.head().chunkLastTime != model.Earliest {
|
|
t.Error("want chunkLastTime in head chunk to be unset")
|
|
}
|
|
} else {
|
|
t.Errorf("couldn't find %v in loaded map", m1)
|
|
}
|
|
if loadedS3, ok := loadedSM.get(m3.FastFingerprint()); ok {
|
|
if !reflect.DeepEqual(loadedS3.metric, m3) {
|
|
t.Errorf("want metric %v, got %v", m3, loadedS3.metric)
|
|
}
|
|
if loadedS3.head().c != nil {
|
|
t.Error("head chunk not evicted")
|
|
}
|
|
if loadedS3.chunkDescsOffset != 0 {
|
|
t.Errorf("want chunkDescsOffset 0, got %d", loadedS3.chunkDescsOffset)
|
|
}
|
|
if !loadedS3.headChunkClosed {
|
|
t.Error("headChunkClosed is false")
|
|
}
|
|
if loadedS3.head().chunkFirstTime != 2 {
|
|
t.Errorf("want chunkFirstTime in head chunk to be 2, got %d", loadedS3.head().chunkFirstTime)
|
|
}
|
|
if loadedS3.head().chunkLastTime != 2 {
|
|
t.Errorf("want chunkLastTime in head chunk to be 2, got %d", loadedS3.head().chunkLastTime)
|
|
}
|
|
} else {
|
|
t.Errorf("couldn't find %v in loaded map", m3)
|
|
}
|
|
if loadedS4, ok := loadedSM.get(m4.FastFingerprint()); ok {
|
|
if !reflect.DeepEqual(loadedS4.metric, m4) {
|
|
t.Errorf("want metric %v, got %v", m4, loadedS4.metric)
|
|
}
|
|
if got, want := len(loadedS4.chunkDescs), chunkCountS4; got != want {
|
|
t.Errorf("got %d chunkDescs, want %d", got, want)
|
|
}
|
|
if got, want := loadedS4.persistWatermark, 0; got != want {
|
|
t.Errorf("got persistWatermark %d, want %d", got, want)
|
|
}
|
|
if loadedS4.chunkDescs[2].isEvicted() {
|
|
t.Error("3rd chunk evicted")
|
|
}
|
|
if loadedS4.chunkDescs[3].isEvicted() {
|
|
t.Error("4th chunk evicted")
|
|
}
|
|
if loadedS4.chunkDescsOffset != 0 {
|
|
t.Errorf("want chunkDescsOffset 0, got %d", loadedS4.chunkDescsOffset)
|
|
}
|
|
if loadedS4.headChunkClosed {
|
|
t.Error("headChunkClosed is true")
|
|
}
|
|
for i, cd := range loadedS4.chunkDescs {
|
|
if cd.chunkFirstTime != cd.c.firstTime() {
|
|
t.Errorf(
|
|
"chunkDesc[%d]: chunkFirstTime not consistent with chunk, want %d, got %d",
|
|
i, cd.c.firstTime(), cd.chunkFirstTime,
|
|
)
|
|
}
|
|
if i == len(loadedS4.chunkDescs)-1 {
|
|
// Head chunk.
|
|
if cd.chunkLastTime != model.Earliest {
|
|
t.Error("want chunkLastTime in head chunk to be unset")
|
|
}
|
|
continue
|
|
}
|
|
lastTime, err := cd.c.newIterator().lastTimestamp()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if cd.chunkLastTime != lastTime {
|
|
t.Errorf(
|
|
"chunkDesc[%d]: chunkLastTime not consistent with chunk, want %d, got %d",
|
|
i, lastTime, cd.chunkLastTime,
|
|
)
|
|
}
|
|
}
|
|
} else {
|
|
t.Errorf("couldn't find %v in loaded map", m4)
|
|
}
|
|
if loadedS5, ok := loadedSM.get(m5.FastFingerprint()); ok {
|
|
if !reflect.DeepEqual(loadedS5.metric, m5) {
|
|
t.Errorf("want metric %v, got %v", m5, loadedS5.metric)
|
|
}
|
|
if got, want := len(loadedS5.chunkDescs), chunkCountS5; got != want {
|
|
t.Errorf("got %d chunkDescs, want %d", got, want)
|
|
}
|
|
if got, want := loadedS5.persistWatermark, 3; got != want {
|
|
t.Errorf("got persistWatermark %d, want %d", got, want)
|
|
}
|
|
if !loadedS5.chunkDescs[2].isEvicted() {
|
|
t.Error("3rd chunk not evicted")
|
|
}
|
|
if loadedS5.chunkDescs[3].isEvicted() {
|
|
t.Error("4th chunk evicted")
|
|
}
|
|
if loadedS5.chunkDescsOffset != 0 {
|
|
t.Errorf("want chunkDescsOffset 0, got %d", loadedS5.chunkDescsOffset)
|
|
}
|
|
if loadedS5.headChunkClosed {
|
|
t.Error("headChunkClosed is true")
|
|
}
|
|
for i, cd := range loadedS5.chunkDescs {
|
|
if i < 3 {
|
|
// Evicted chunks.
|
|
if cd.chunkFirstTime == model.Earliest {
|
|
t.Errorf("chunkDesc[%d]: chunkLastTime not set", i)
|
|
}
|
|
continue
|
|
}
|
|
if cd.chunkFirstTime != cd.c.firstTime() {
|
|
t.Errorf(
|
|
"chunkDesc[%d]: chunkFirstTime not consistent with chunk, want %d, got %d",
|
|
i, cd.c.firstTime(), cd.chunkFirstTime,
|
|
)
|
|
}
|
|
if i == len(loadedS5.chunkDescs)-1 {
|
|
// Head chunk.
|
|
if cd.chunkLastTime != model.Earliest {
|
|
t.Error("want chunkLastTime in head chunk to be unset")
|
|
}
|
|
continue
|
|
}
|
|
lastTime, err := cd.c.newIterator().lastTimestamp()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if cd.chunkLastTime != lastTime {
|
|
t.Errorf(
|
|
"chunkDesc[%d]: chunkLastTime not consistent with chunk, want %d, got %d",
|
|
i, cd.chunkLastTime, lastTime,
|
|
)
|
|
}
|
|
}
|
|
} else {
|
|
t.Errorf("couldn't find %v in loaded map", m5)
|
|
}
|
|
}
|
|
|
|
func TestCheckpointAndLoadSeriesMapAndHeadsChunkType0(t *testing.T) {
|
|
testCheckpointAndLoadSeriesMapAndHeads(t, 0)
|
|
}
|
|
|
|
func TestCheckpointAndLoadSeriesMapAndHeadsChunkType1(t *testing.T) {
|
|
testCheckpointAndLoadSeriesMapAndHeads(t, 1)
|
|
}
|
|
|
|
func TestCheckpointAndLoadSeriesMapAndHeadsChunkType2(t *testing.T) {
|
|
testCheckpointAndLoadSeriesMapAndHeads(t, 2)
|
|
}
|
|
|
|
func TestCheckpointAndLoadFPMappings(t *testing.T) {
|
|
p, closer := newTestPersistence(t, 1)
|
|
defer closer.Close()
|
|
|
|
in := fpMappings{
|
|
1: map[string]model.Fingerprint{
|
|
"foo": 1,
|
|
"bar": 2,
|
|
},
|
|
3: map[string]model.Fingerprint{
|
|
"baz": 4,
|
|
},
|
|
}
|
|
|
|
if err := p.checkpointFPMappings(in); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
out, fp, err := p.loadFPMappings()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if got, want := fp, model.Fingerprint(4); got != want {
|
|
t.Errorf("got highest FP %v, want %v", got, want)
|
|
}
|
|
if !reflect.DeepEqual(in, out) {
|
|
t.Errorf("got collision map %v, want %v", out, in)
|
|
}
|
|
}
|
|
|
|
func testFingerprintsModifiedBefore(t *testing.T, encoding chunkEncoding) {
|
|
p, closer := newTestPersistence(t, encoding)
|
|
defer closer.Close()
|
|
|
|
m1 := model.Metric{"n1": "v1"}
|
|
m2 := model.Metric{"n2": "v2"}
|
|
m3 := model.Metric{"n1": "v2"}
|
|
p.archiveMetric(1, m1, 2, 4)
|
|
p.archiveMetric(2, m2, 1, 6)
|
|
p.archiveMetric(3, m3, 5, 5)
|
|
|
|
expectedFPs := map[model.Time][]model.Fingerprint{
|
|
0: {},
|
|
1: {},
|
|
2: {2},
|
|
3: {1, 2},
|
|
4: {1, 2},
|
|
5: {1, 2},
|
|
6: {1, 2, 3},
|
|
}
|
|
|
|
for ts, want := range expectedFPs {
|
|
got, err := p.fingerprintsModifiedBefore(ts)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !reflect.DeepEqual(want, got) {
|
|
t.Errorf("timestamp: %v, want FPs %v, got %v", ts, want, got)
|
|
}
|
|
}
|
|
|
|
unarchived, err := p.unarchiveMetric(1)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !unarchived {
|
|
t.Error("expected actual unarchival")
|
|
}
|
|
unarchived, err = p.unarchiveMetric(1)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if unarchived {
|
|
t.Error("expected no unarchival")
|
|
}
|
|
|
|
expectedFPs = map[model.Time][]model.Fingerprint{
|
|
0: {},
|
|
1: {},
|
|
2: {2},
|
|
3: {2},
|
|
4: {2},
|
|
5: {2},
|
|
6: {2, 3},
|
|
}
|
|
|
|
for ts, want := range expectedFPs {
|
|
got, err := p.fingerprintsModifiedBefore(ts)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !reflect.DeepEqual(want, got) {
|
|
t.Errorf("timestamp: %v, want FPs %v, got %v", ts, want, got)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestFingerprintsModifiedBeforeChunkType0(t *testing.T) {
|
|
testFingerprintsModifiedBefore(t, 0)
|
|
}
|
|
|
|
func TestFingerprintsModifiedBeforeChunkType1(t *testing.T) {
|
|
testFingerprintsModifiedBefore(t, 1)
|
|
}
|
|
|
|
func TestFingerprintsModifiedBeforeChunkType2(t *testing.T) {
|
|
testFingerprintsModifiedBefore(t, 2)
|
|
}
|
|
|
|
func testDropArchivedMetric(t *testing.T, encoding chunkEncoding) {
|
|
p, closer := newTestPersistence(t, encoding)
|
|
defer closer.Close()
|
|
|
|
m1 := model.Metric{"n1": "v1"}
|
|
m2 := model.Metric{"n2": "v2"}
|
|
p.archiveMetric(1, m1, 2, 4)
|
|
p.archiveMetric(2, m2, 1, 6)
|
|
p.indexMetric(1, m1)
|
|
p.indexMetric(2, m2)
|
|
p.waitForIndexing()
|
|
|
|
outFPs := p.fingerprintsForLabelPair(model.LabelPair{Name: "n1", Value: "v1"})
|
|
want := model.Fingerprints{1}
|
|
if !reflect.DeepEqual(outFPs, want) {
|
|
t.Errorf("want %#v, got %#v", want, outFPs)
|
|
}
|
|
outFPs = p.fingerprintsForLabelPair(model.LabelPair{Name: "n2", Value: "v2"})
|
|
want = model.Fingerprints{2}
|
|
if !reflect.DeepEqual(outFPs, want) {
|
|
t.Errorf("want %#v, got %#v", want, outFPs)
|
|
}
|
|
if archived, _, _ := p.hasArchivedMetric(1); !archived {
|
|
t.Error("want FP 1 archived")
|
|
}
|
|
if archived, _, _ := p.hasArchivedMetric(2); !archived {
|
|
t.Error("want FP 2 archived")
|
|
}
|
|
|
|
if err := p.purgeArchivedMetric(1); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := p.purgeArchivedMetric(3); err != nil {
|
|
// Purging something that has not beet archived is not an error.
|
|
t.Fatal(err)
|
|
}
|
|
p.waitForIndexing()
|
|
|
|
outFPs = p.fingerprintsForLabelPair(model.LabelPair{Name: "n1", Value: "v1"})
|
|
want = nil
|
|
if !reflect.DeepEqual(outFPs, want) {
|
|
t.Errorf("want %#v, got %#v", want, outFPs)
|
|
}
|
|
outFPs = p.fingerprintsForLabelPair(model.LabelPair{Name: "n2", Value: "v2"})
|
|
want = model.Fingerprints{2}
|
|
if !reflect.DeepEqual(outFPs, want) {
|
|
t.Errorf("want %#v, got %#v", want, outFPs)
|
|
}
|
|
if archived, _, _ := p.hasArchivedMetric(1); archived {
|
|
t.Error("want FP 1 not archived")
|
|
}
|
|
if archived, _, _ := p.hasArchivedMetric(2); !archived {
|
|
t.Error("want FP 2 archived")
|
|
}
|
|
}
|
|
|
|
func TestDropArchivedMetricChunkType0(t *testing.T) {
|
|
testDropArchivedMetric(t, 0)
|
|
}
|
|
|
|
func TestDropArchivedMetricChunkType1(t *testing.T) {
|
|
testDropArchivedMetric(t, 1)
|
|
}
|
|
|
|
func TestDropArchivedMetricChunkType2(t *testing.T) {
|
|
testDropArchivedMetric(t, 2)
|
|
}
|
|
|
|
type incrementalBatch struct {
|
|
fpToMetric index.FingerprintMetricMapping
|
|
expectedLnToLvs index.LabelNameLabelValuesMapping
|
|
expectedLpToFps index.LabelPairFingerprintsMapping
|
|
}
|
|
|
|
func testIndexing(t *testing.T, encoding chunkEncoding) {
|
|
batches := []incrementalBatch{
|
|
{
|
|
fpToMetric: index.FingerprintMetricMapping{
|
|
0: {
|
|
model.MetricNameLabel: "metric_0",
|
|
"label_1": "value_1",
|
|
},
|
|
1: {
|
|
model.MetricNameLabel: "metric_0",
|
|
"label_2": "value_2",
|
|
"label_3": "value_3",
|
|
},
|
|
2: {
|
|
model.MetricNameLabel: "metric_1",
|
|
"label_1": "value_2",
|
|
},
|
|
},
|
|
expectedLnToLvs: index.LabelNameLabelValuesMapping{
|
|
model.MetricNameLabel: codable.LabelValueSet{
|
|
"metric_0": struct{}{},
|
|
"metric_1": struct{}{},
|
|
},
|
|
"label_1": codable.LabelValueSet{
|
|
"value_1": struct{}{},
|
|
"value_2": struct{}{},
|
|
},
|
|
"label_2": codable.LabelValueSet{
|
|
"value_2": struct{}{},
|
|
},
|
|
"label_3": codable.LabelValueSet{
|
|
"value_3": struct{}{},
|
|
},
|
|
},
|
|
expectedLpToFps: index.LabelPairFingerprintsMapping{
|
|
model.LabelPair{
|
|
Name: model.MetricNameLabel,
|
|
Value: "metric_0",
|
|
}: codable.FingerprintSet{0: struct{}{}, 1: struct{}{}},
|
|
model.LabelPair{
|
|
Name: model.MetricNameLabel,
|
|
Value: "metric_1",
|
|
}: codable.FingerprintSet{2: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_1",
|
|
Value: "value_1",
|
|
}: codable.FingerprintSet{0: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_1",
|
|
Value: "value_2",
|
|
}: codable.FingerprintSet{2: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_2",
|
|
Value: "value_2",
|
|
}: codable.FingerprintSet{1: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_3",
|
|
Value: "value_3",
|
|
}: codable.FingerprintSet{1: struct{}{}},
|
|
},
|
|
}, {
|
|
fpToMetric: index.FingerprintMetricMapping{
|
|
3: {
|
|
model.MetricNameLabel: "metric_0",
|
|
"label_1": "value_3",
|
|
},
|
|
4: {
|
|
model.MetricNameLabel: "metric_2",
|
|
"label_2": "value_2",
|
|
"label_3": "value_1",
|
|
},
|
|
5: {
|
|
model.MetricNameLabel: "metric_1",
|
|
"label_1": "value_3",
|
|
},
|
|
},
|
|
expectedLnToLvs: index.LabelNameLabelValuesMapping{
|
|
model.MetricNameLabel: codable.LabelValueSet{
|
|
"metric_0": struct{}{},
|
|
"metric_1": struct{}{},
|
|
"metric_2": struct{}{},
|
|
},
|
|
"label_1": codable.LabelValueSet{
|
|
"value_1": struct{}{},
|
|
"value_2": struct{}{},
|
|
"value_3": struct{}{},
|
|
},
|
|
"label_2": codable.LabelValueSet{
|
|
"value_2": struct{}{},
|
|
},
|
|
"label_3": codable.LabelValueSet{
|
|
"value_1": struct{}{},
|
|
"value_3": struct{}{},
|
|
},
|
|
},
|
|
expectedLpToFps: index.LabelPairFingerprintsMapping{
|
|
model.LabelPair{
|
|
Name: model.MetricNameLabel,
|
|
Value: "metric_0",
|
|
}: codable.FingerprintSet{0: struct{}{}, 1: struct{}{}, 3: struct{}{}},
|
|
model.LabelPair{
|
|
Name: model.MetricNameLabel,
|
|
Value: "metric_1",
|
|
}: codable.FingerprintSet{2: struct{}{}, 5: struct{}{}},
|
|
model.LabelPair{
|
|
Name: model.MetricNameLabel,
|
|
Value: "metric_2",
|
|
}: codable.FingerprintSet{4: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_1",
|
|
Value: "value_1",
|
|
}: codable.FingerprintSet{0: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_1",
|
|
Value: "value_2",
|
|
}: codable.FingerprintSet{2: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_1",
|
|
Value: "value_3",
|
|
}: codable.FingerprintSet{3: struct{}{}, 5: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_2",
|
|
Value: "value_2",
|
|
}: codable.FingerprintSet{1: struct{}{}, 4: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_3",
|
|
Value: "value_1",
|
|
}: codable.FingerprintSet{4: struct{}{}},
|
|
model.LabelPair{
|
|
Name: "label_3",
|
|
Value: "value_3",
|
|
}: codable.FingerprintSet{1: struct{}{}},
|
|
},
|
|
},
|
|
}
|
|
|
|
p, closer := newTestPersistence(t, encoding)
|
|
defer closer.Close()
|
|
|
|
indexedFpsToMetrics := index.FingerprintMetricMapping{}
|
|
for i, b := range batches {
|
|
for fp, m := range b.fpToMetric {
|
|
p.indexMetric(fp, m)
|
|
p.archiveMetric(fp, m, 1, 2)
|
|
indexedFpsToMetrics[fp] = m
|
|
}
|
|
verifyIndexedState(i, t, b, indexedFpsToMetrics, p)
|
|
}
|
|
|
|
for i := len(batches) - 1; i >= 0; i-- {
|
|
b := batches[i]
|
|
verifyIndexedState(i, t, batches[i], indexedFpsToMetrics, p)
|
|
for fp, m := range b.fpToMetric {
|
|
p.unindexMetric(fp, m)
|
|
unarchived, err := p.unarchiveMetric(fp)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !unarchived {
|
|
t.Errorf("%d. metric not unarchived", i)
|
|
}
|
|
delete(indexedFpsToMetrics, fp)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestIndexingChunkType0(t *testing.T) {
|
|
testIndexing(t, 0)
|
|
}
|
|
|
|
func TestIndexingChunkType1(t *testing.T) {
|
|
testIndexing(t, 1)
|
|
}
|
|
|
|
func TestIndexingChunkType2(t *testing.T) {
|
|
testIndexing(t, 2)
|
|
}
|
|
|
|
func verifyIndexedState(i int, t *testing.T, b incrementalBatch, indexedFpsToMetrics index.FingerprintMetricMapping, p *persistence) {
|
|
p.waitForIndexing()
|
|
for fp, m := range indexedFpsToMetrics {
|
|
// Compare archived metrics with input metrics.
|
|
mOut, err := p.archivedMetric(fp)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !mOut.Equal(m) {
|
|
t.Errorf("%d. %v: Got: %s; want %s", i, fp, mOut, m)
|
|
}
|
|
|
|
// Check that archived metrics are in membership index.
|
|
has, first, last := p.hasArchivedMetric(fp)
|
|
if !has {
|
|
t.Errorf("%d. fingerprint %v not found", i, fp)
|
|
}
|
|
if first != 1 || last != 2 {
|
|
t.Errorf(
|
|
"%d. %v: Got first: %d, last %d; want first: %d, last %d",
|
|
i, fp, first, last, 1, 2,
|
|
)
|
|
}
|
|
}
|
|
|
|
// Compare label name -> label values mappings.
|
|
for ln, lvs := range b.expectedLnToLvs {
|
|
outLvs := p.labelValuesForLabelName(ln)
|
|
|
|
outSet := codable.LabelValueSet{}
|
|
for _, lv := range outLvs {
|
|
outSet[lv] = struct{}{}
|
|
}
|
|
|
|
if !reflect.DeepEqual(lvs, outSet) {
|
|
t.Errorf("%d. label values don't match. Got: %v; want %v", i, outSet, lvs)
|
|
}
|
|
}
|
|
|
|
// Compare label pair -> fingerprints mappings.
|
|
for lp, fps := range b.expectedLpToFps {
|
|
outFPs := p.fingerprintsForLabelPair(lp)
|
|
|
|
outSet := codable.FingerprintSet{}
|
|
for _, fp := range outFPs {
|
|
outSet[fp] = struct{}{}
|
|
}
|
|
|
|
if !reflect.DeepEqual(fps, outSet) {
|
|
t.Errorf("%d. %v: fingerprints don't match. Got: %v; want %v", i, lp, outSet, fps)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestQuranatineSeriesFile(t *testing.T) {
|
|
p, closer := newTestPersistence(t, 1)
|
|
defer closer.Close()
|
|
|
|
verify := func(fp model.Fingerprint, seriesFileShouldExist bool, contentHintFile ...string) {
|
|
var (
|
|
fpStr = fp.String()
|
|
originalFile = p.fileNameForFingerprint(fp)
|
|
quarantinedFile = filepath.Join(p.basePath, "orphaned", fpStr[0:seriesDirNameLen], fpStr[seriesDirNameLen:]+seriesFileSuffix)
|
|
hintFile = filepath.Join(p.basePath, "orphaned", fpStr[0:seriesDirNameLen], fpStr[seriesDirNameLen:]+hintFileSuffix)
|
|
)
|
|
if _, err := os.Stat(originalFile); !os.IsNotExist(err) {
|
|
t.Errorf("Expected file %q to not exist.", originalFile)
|
|
}
|
|
if _, err := os.Stat(quarantinedFile); (os.IsNotExist(err) && seriesFileShouldExist) || (err == nil && !seriesFileShouldExist) {
|
|
t.Errorf("Unexpected state of quarantined file %q. Expected it to exist: %t. os.Stat returned: %s.", quarantinedFile, seriesFileShouldExist, err)
|
|
}
|
|
f, err := os.Open(hintFile)
|
|
defer f.Close()
|
|
if err != nil {
|
|
t.Errorf("Could not open hint file %q: %s", hintFile, err)
|
|
return
|
|
}
|
|
scanner := bufio.NewScanner(f)
|
|
for _, want := range contentHintFile {
|
|
if !scanner.Scan() {
|
|
t.Errorf("Unexpected end of hint file %q.", hintFile)
|
|
return
|
|
}
|
|
got := scanner.Text()
|
|
if want != got {
|
|
t.Errorf("Want hint line %q, got %q.", want, got)
|
|
}
|
|
}
|
|
if scanner.Scan() {
|
|
t.Errorf("Unexpected spurious content in hint file %q: %q", hintFile, scanner.Text())
|
|
}
|
|
}
|
|
|
|
if err := p.quarantineSeriesFile(0, nil, nil); err != nil {
|
|
t.Error(err)
|
|
}
|
|
verify(0, false, "[UNKNOWN METRIC]", "[UNKNOWN REASON]")
|
|
|
|
if err := p.quarantineSeriesFile(
|
|
1, errors.New("file does not exist"),
|
|
nil,
|
|
); err != nil {
|
|
t.Error(err)
|
|
}
|
|
verify(1, false, "[UNKNOWN METRIC]", "file does not exist")
|
|
|
|
if err := p.quarantineSeriesFile(
|
|
2, errors.New("file does not exist"),
|
|
model.Metric{"foo": "bar", "dings": "bums"},
|
|
); err != nil {
|
|
t.Error(err)
|
|
}
|
|
verify(2, false, `{dings="bums", foo="bar"}`, "file does not exist")
|
|
|
|
if err := p.quarantineSeriesFile(
|
|
3, nil,
|
|
model.Metric{"foo": "bar", "dings": "bums"},
|
|
); err != nil {
|
|
t.Error(err)
|
|
}
|
|
verify(3, false, `{dings="bums", foo="bar"}`, "[UNKNOWN REASON]")
|
|
|
|
err := os.Mkdir(filepath.Join(p.basePath, "00"), os.ModePerm)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
f, err := os.Create(p.fileNameForFingerprint(4))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
f.Close()
|
|
|
|
if err := p.quarantineSeriesFile(
|
|
4, errors.New("file exists"),
|
|
model.Metric{"sound": "cloud"},
|
|
); err != nil {
|
|
t.Error(err)
|
|
}
|
|
verify(4, true, `{sound="cloud"}`, "file exists")
|
|
|
|
if err := p.quarantineSeriesFile(4, nil, nil); err != nil {
|
|
t.Error(err)
|
|
}
|
|
// Overwrites hint file but leaves series file intact.
|
|
verify(4, true, "[UNKNOWN METRIC]", "[UNKNOWN REASON]")
|
|
|
|
if err := p.quarantineSeriesFile(
|
|
4, errors.New("file exists"),
|
|
model.Metric{"sound": "cloud"},
|
|
); err != nil {
|
|
t.Error(err)
|
|
}
|
|
// Overwrites everything.
|
|
verify(4, true, `{sound="cloud"}`, "file exists")
|
|
}
|
|
|
|
var fpStrings = []string{
|
|
"b004b821ca50ba26",
|
|
"b037c21e884e4fc5",
|
|
"b037de1e884e5469",
|
|
}
|
|
|
|
func BenchmarkLoadChunksSequentially(b *testing.B) {
|
|
p := persistence{
|
|
basePath: "fixtures",
|
|
bufPool: sync.Pool{New: func() interface{} { return make([]byte, 0, 3*chunkLenWithHeader) }},
|
|
}
|
|
sequentialIndexes := make([]int, 47)
|
|
for i := range sequentialIndexes {
|
|
sequentialIndexes[i] = i
|
|
}
|
|
|
|
var fp model.Fingerprint
|
|
for i := 0; i < b.N; i++ {
|
|
for _, s := range fpStrings {
|
|
fp, _ = model.FingerprintFromString(s)
|
|
cds, err := p.loadChunks(fp, sequentialIndexes, 0)
|
|
if err != nil {
|
|
b.Error(err)
|
|
}
|
|
if len(cds) == 0 {
|
|
b.Error("could not read any chunks")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkLoadChunksRandomly(b *testing.B) {
|
|
p := persistence{
|
|
basePath: "fixtures",
|
|
bufPool: sync.Pool{New: func() interface{} { return make([]byte, 0, 3*chunkLenWithHeader) }},
|
|
}
|
|
randomIndexes := []int{1, 5, 6, 8, 11, 14, 18, 23, 29, 33, 42, 46}
|
|
|
|
var fp model.Fingerprint
|
|
for i := 0; i < b.N; i++ {
|
|
for _, s := range fpStrings {
|
|
fp, _ = model.FingerprintFromString(s)
|
|
cds, err := p.loadChunks(fp, randomIndexes, 0)
|
|
if err != nil {
|
|
b.Error(err)
|
|
}
|
|
if len(cds) == 0 {
|
|
b.Error("could not read any chunks")
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkLoadChunkDescs(b *testing.B) {
|
|
p := persistence{
|
|
basePath: "fixtures",
|
|
}
|
|
|
|
var fp model.Fingerprint
|
|
for i := 0; i < b.N; i++ {
|
|
for _, s := range fpStrings {
|
|
fp, _ = model.FingerprintFromString(s)
|
|
cds, err := p.loadChunkDescs(fp, 0)
|
|
if err != nil {
|
|
b.Error(err)
|
|
}
|
|
if len(cds) == 0 {
|
|
b.Error("could not read any chunk descs")
|
|
}
|
|
}
|
|
}
|
|
}
|