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beorn7 1cfc8f65a3 histograms: Return actually useful counter reset hints 
This is a bit more conservative than we could be. As long as a chunk
isn't the first in a block, we can be pretty sure that the previous
chunk won't disappear. However, the incremental gain of returning
NotCounterReset in these cases is probably very small and might not be
worth the code complications.

Wwith this, we now also pay attention to an explicitly set counter
reset during ingestion. While the case doesn't show up in practice
yet, there could be scenarios where the metric source knows there was
a counter reset even if it might not be visible from the values in the
histogram. It is also useful for testing.

Signed-off-by: beorn7 <beorn@grafana.com>
2023-01-25 16:57:21 +01:00
..
agent agent: native histogram support (#11842) 2023-01-12 11:13:44 -05:00
chunkenc histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
chunks Replace sort.Strings and sort.Ints with faster slices.Sort (#11318) 2022-09-30 20:03:56 +05:30
docs Merge branch 'main' into sparsehistogram 2022-08-10 17:54:37 +02:00
encoding Merge 'main' into sparsehistogram 2022-10-05 22:14:49 +02:00
errors
fileutil Update go to 1.19, set min version to 1.18 (#11279) 2022-09-07 11:30:48 +02:00
goversion
index Shortcut postings for matchers when empty postings are selected (#11813) 2023-01-10 15:21:49 +05:30
record tsdb: Add counter reset hint to histograms and support in WAL 2023-01-10 17:41:53 +05:30
test Update package tsdb/test for new labels.Labels type 2022-12-19 15:22:09 +00:00
testdata
tombstones
tsdbutil Fix merge conflicts 2022-10-11 22:53:37 +05:30
wlog histograms: Add remote-write support for Float Histograms (#11817) 2023-01-13 16:39:20 +05:30
.gitignore
block_test.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
block.go tsdb: sort values for Postings only when required 2023-01-05 14:05:54 +00:00
blockwriter_test.go tsdb: in tests use labels.FromStrings 2022-09-09 13:34:49 +02:00
blockwriter.go Merge 'main' into sparsehistogram 2022-10-05 22:14:49 +02:00
CHANGELOG.md
compact_test.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
compact.go storage: allow re-use of iterators 2022-12-15 18:32:45 +00:00
db_test.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
db.go Update package tsdb for new labels.Labels type 2022-12-19 15:22:09 +00:00
example_test.go storage: allow re-use of iterators 2022-12-15 18:32:45 +00:00
exemplar_test.go tsdb: in tests use labels.FromStrings 2022-09-09 13:34:49 +02:00
exemplar.go Update package tsdb for new labels.Labels type 2022-12-19 15:22:09 +00:00
head_append.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
head_bench_test.go Add out-of-order sample support to the TSDB (#11075) 2022-09-20 22:35:50 +05:30
head_read_test.go Fix merge conflicts 2022-10-11 22:53:37 +05:30
head_read.go Merge pull request #11779 from codesome/memseries-ooo 2023-01-16 10:58:05 +05:30
head_test.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
head_wal.go tsdb: Avoid unnecessary allocation from 11779 2023-01-17 16:53:49 +05:30
head.go histograms: Return actually useful counter reset hints 2023-01-25 16:57:21 +01:00
isolation_test.go tsdb: turn off transaction isolation for head compaction (#11317) 2022-09-27 19:31:23 +05:30
isolation.go tsdb: turn off transaction isolation for head compaction (#11317) 2022-09-27 19:31:23 +05:30
mocks_test.go
ooo_head_read_test.go tsdb: Only initialise out-of-order fields when required 2023-01-12 20:29:16 +05:30
ooo_head_read.go tsdb: Only initialise out-of-order fields when required 2023-01-12 20:29:16 +05:30
ooo_head_test.go Fix merge conflicts 2022-10-11 22:53:37 +05:30
ooo_head.go Attempt to append ooo sample at the end first (#11615) 2023-01-13 19:00:50 +05:30
querier_bench_test.go Shortcut postings for matchers when empty postings are selected (#11813) 2023-01-10 15:21:49 +05:30
querier_test.go Simplify IndexReader.Series interface 2022-12-19 15:22:09 +00:00
querier.go Shortcut postings for matchers when empty postings are selected (#11813) 2023-01-10 15:21:49 +05:30
README.md Fixed broken link in tsdb README.md 2022-10-07 16:20:20 +00:00
repair_test.go Simplify IndexReader.Series interface 2022-12-19 15:22:09 +00:00
repair.go
tsdbblockutil.go Support FloatHistogram in TSDB (#11522) 2022-12-28 14:25:07 +05:30
wal_test.go TSDB: Rename wal package to wlog (#11352) 2022-10-10 20:38:46 +05:30
wal.go Use errors.Is to check for a specific error 2022-12-29 23:23:07 +08:00

README.md

TSDB

GoPkg

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

Documentation

External resources

A series of blog posts explaining different components of TSDB: