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prometheus/tsdb
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zenador 32ee1b15de
Fix error on ingesting out-of-order exemplars (#13021) 
Fix and improve ingesting exemplars for native histograms.

See code comment for a detailed explanation of the algorithm.

Note that this changes the current behavior for all kind of samples slightly: We now allow exemplars with the same timestamp as during the last scrape if the value or the labels have changed.

Also note that we now do not ingest exemplars without timestamps for native histograms anymore.

Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
Co-authored-by: Björn Rabenstein <github@rabenste.in>

---------

Signed-off-by: Jeanette Tan <jeanette.tan@grafana.com>
Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
Signed-off-by: zenador <zenador@users.noreply.github.com>
Co-authored-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
Co-authored-by: Björn Rabenstein <github@rabenste.in>
2023-11-16 15:07:37 +01:00
..
agent tsdb/agent: use Go standard errors package 2023-11-08 09:22:31 +01:00
chunkenc tsdb/chunkenc: use Go standard errors package 2023-11-08 08:38:57 +00:00
chunks tsdb/chunk: use Go standard errors package 2023-11-08 09:19:44 +00:00
docs Merge branch 'main' into sparsehistogram 2022-08-10 17:54:37 +02:00
encoding tsdb/encoding: use Go standard errors package 2023-11-11 19:01:11 +01:00
errors ci(lint): enable nolintlint and remove redundant comments (#12926) 2023-10-31 12:35:13 +01:00
fileutil Update go to 1.19, set min version to 1.18 (#11279) 2022-09-07 11:30:48 +02:00
goversion lint: Adjust to the lint warnings raised by current versions of golint-ci 2023-04-19 17:10:10 +02:00
index Merge pull request #13124 from mmorel-35/patch-5 2023-11-14 00:53:49 +01:00
record Labels: reduce allocations when creating from TSDB WAL (#13044) 2023-11-14 11:36:35 +00:00
testdata tsdb: Delete blocks atomically; Remove tmp blocks on start; Added test. (#7772) 2020-08-11 06:56:08 +01:00
tombstones Update tombstones.go 2023-11-11 19:22:06 +01:00
tsdbutil Add a chunk size limit in bytes (#12054) 2023-08-24 15:21:17 +02:00
wlog remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
.gitignore Moving tsdb into its own subdirectory 2019-08-13 13:58:49 +05:30
block.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
block_test.go Add context argument to LabelQuerier.LabelValues (#12665) 2023-09-14 16:02:04 +02:00
blockwriter.go Merge 'main' into sparsehistogram 2022-10-05 22:14:49 +02:00
blockwriter_test.go Add a chunk size limit in bytes (#12054) 2023-08-24 15:21:17 +02:00
CHANGELOG.md Rename default branch to main 2021-02-22 20:28:02 +01:00
compact.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
compact_test.go Fix according to code review 2023-11-02 13:37:07 +08:00
db.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
db_test.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
example_test.go Add context argument to Querier.Select (#12660) 2023-09-12 12:37:38 +02:00
exemplar.go Fix error on ingesting out-of-order exemplars (#13021) 2023-11-16 15:07:37 +01:00
exemplar_test.go tsdb: in tests use labels.FromStrings 2022-09-09 13:34:49 +02:00
head.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
head_append.go Fix panic during tsdb Commit (#13092) 2023-11-12 14:51:37 +00:00
head_bench_test.go Pass ref to SeriesLifecycleCallback.PostDeletion (#12626) 2023-08-03 10:56:27 +02:00
head_read.go ci(lint): enable godot; append dot at the end of comments 2023-10-31 19:53:38 +02:00
head_read_test.go Use a linked list for memSeries.headChunk (#11818) 2023-07-31 11:10:24 +02:00
head_test.go Fix panic during tsdb Commit (#13092) 2023-11-12 14:51:37 +00:00
head_wal.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
isolation.go ci(lint): enable predeclared linter 2023-05-21 07:33:54 +00:00
isolation_test.go tsdb: turn off transaction isolation for head compaction (#11317) 2022-09-27 19:31:23 +05:30
mocks_test.go Move packages out of deprecated pkg directory 2021-11-09 08:03:10 +01:00
ooo_head.go Name float values as "floats", not as "values" 2023-04-13 19:25:24 +02:00
ooo_head_read.go ci(lint): enable nolintlint and remove redundant comments (#12926) 2023-10-31 12:35:13 +01:00
ooo_head_read_test.go ci(lint): enable godot; append dot at the end of comments 2023-10-31 19:53:38 +02:00
ooo_head_test.go ci(lint): enable godot; append dot at the end of comments 2023-10-31 19:53:38 +02:00
querier.go Refactor assigning MinTime in histogram chunks 2023-11-02 21:23:05 +08:00
querier_bench_test.go ci(lint): enable nolintlint and remove redundant comments (#12926) 2023-10-31 12:35:13 +01:00
querier_test.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
README.md Fixed broken link in tsdb README.md 2022-10-07 16:20:20 +00:00
repair.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
repair_test.go Add context argument to IndexReader.Postings (#12667) 2023-09-13 17:45:06 +02:00
tsdbblockutil.go Support FloatHistogram in TSDB (#11522) 2022-12-28 14:25:07 +05:30
wal.go remplace errors.Errorf by fmt.Errorf 2023-11-14 13:04:31 +00:00
wal_test.go Add Zstandard compression option for wlog (#11666) 2023-07-11 14:57:57 +02:00

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: