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prometheus/tsdb
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Bryan Boreham 2c1be4df7b
tsdb: more efficient sorting of postings read from WAL at startup (#10500) 
* tsdb: avoid slice-to-interface allocation in EnsureOrder

This is pulling the `seriesRefSlice` out of the loop, so the compiler
doesn't allocate a new one on the heap every time.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>

* tsdb: use pointer type in Pool for EnsureOrder

As noted by staticcheck, Pool prefers the objects in the pool to have
pointer type. This is a little more fiddly to code, but avoids
allocation of a wrapper object every time a slice is put into the pool.

Removed a comment that said fixing this has a performance penalty: not
borne out by benchmarks.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2022-03-30 15:10:19 +05:30
..
agent Enable misspell check in golangci-lint (#10393) 2022-03-03 18:11:19 +01:00
chunkenc Add SyncForState Implementation for Ruler HA (#10070) 2022-03-29 02:16:46 +02:00
chunks Disable chunk write queue by default, allow user to configure the exact size (#10425) 2022-03-11 17:26:59 +01:00
docs Update wal.md (#10442) 2022-03-15 22:33:45 +05:30
encoding Format Go source files using 'gofumpt -w -s -extra' 2021-11-02 19:52:34 +01:00
errors Address golint failures from revive 2021-10-23 00:53:11 +02:00
fileutil tsdb: Add windows arm64 support. 2021-11-09 11:07:27 +01:00
goversion Add new Go build tags. 2021-08-27 10:24:14 +02:00
index tsdb: more efficient sorting of postings read from WAL at startup (#10500) 2022-03-30 15:10:19 +05:30
record Add basic initial developer docs for TSDB (#9451) 2021-11-17 15:51:27 +05:30
test Move packages out of deprecated pkg directory 2021-11-09 08:03:10 +01:00
testdata
tombstones refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
tsdbutil storage: fix bug #10027 in iterators' Seek method 2021-12-16 12:07:35 +01:00
wal Run gofumpt on all files (#10392) 2022-03-03 17:21:05 +01:00
.gitignore
block_test.go refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
block.go Move packages out of deprecated pkg directory 2021-11-09 08:03:10 +01:00
blockwriter_test.go refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
blockwriter.go Move packages out of deprecated pkg directory 2021-11-09 08:03:10 +01:00
CHANGELOG.md Rename default branch to main 2021-02-22 20:28:02 +01:00
compact_test.go refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
compact.go CompactBlockMetas should produce correct mint/maxt for overlapping blocks. (#10108) 2022-01-05 15:10:00 +05:30
db_test.go deleting *.tmp WAL files on startup (#10317) 2022-03-24 16:14:14 +05:30
db.go deleting *.tmp WAL files on startup (#10317) 2022-03-24 16:14:14 +05:30
example_test.go Fix Example() function in TSDB (#10153) 2022-01-11 17:24:03 +05:30
exemplar_test.go tsdb: use simpler map key to improve exemplar ingest performance (#10111) 2022-01-06 15:58:58 +05:30
exemplar.go tsdb: use simpler map key to improve exemplar ingest performance (#10111) 2022-01-06 15:58:58 +05:30
head_append.go clarify Head.appendableMinValidTime (#10303) 2022-02-17 16:30:48 +05:30
head_bench_test.go refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
head_read.go Label values with matchers by intersecting postings (#9907) 2021-12-28 15:59:03 +01:00
head_test.go Enable misspell check in golangci-lint (#10393) 2022-03-03 18:11:19 +01:00
head_wal.go Fix queries after a failed snapshot replay (#9980) 2021-12-09 15:15:27 +05:30
head.go Fix panic on query when m-map replay fails with snapshot enabled (#10348) 2022-02-25 08:53:40 -07:00
isolation_test.go Add the ability to disable tsdb isolation (#9270) 2021-11-19 15:41:32 +05:30
isolation.go Add the ability to disable tsdb isolation (#9270) 2021-11-19 15:41:32 +05:30
mocks_test.go Move packages out of deprecated pkg directory 2021-11-09 08:03:10 +01:00
querier_bench_test.go refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
querier_test.go refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
querier.go Label values with matchers by intersecting postings (#9907) 2021-12-28 15:59:03 +01:00
README.md Add basic initial developer docs for TSDB (#9451) 2021-11-17 15:51:27 +05:30
repair_test.go refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
repair.go Switched to go-kit/log 2021-06-11 12:28:36 -04:00
tsdbblockutil.go TSDB: demistify SeriesRefs and ChunkRefs (#9536) 2021-11-06 15:40:04 +05:30
wal_test.go refactor: use T.TempDir() and B.TempDir to create temporary directory 2022-01-22 18:57:30 +08:00
wal.go fix potential goroutine leaks 2021-12-17 18:35:30 -05:00

README.md

TSDB

GoPkg

This directory contains the Prometheus TSDB (Time Series DataBase) library, which handles storage and querying of all Prometheus v2 data.

Due to an issue with versioning, the "latest" docs shown on Godoc are outdated. Instead you may use the docs for v2.31.1

Documentation

External resources

A series of blog posts explaining different components of TSDB: