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prometheus/tsdb
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Charles Korn 59844498f7
Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 
* Add failing test.

Signed-off-by: Charles Korn <charles.korn@grafana.com>

* Don't run OOO head garbage collection while reads are running.

Signed-off-by: Charles Korn <charles.korn@grafana.com>

* Add further test cases for different order of operations.

Signed-off-by: Charles Korn <charles.korn@grafana.com>

* Ensure all queriers are closed if `DB.blockChunkQuerierForRange()` fails.

Signed-off-by: Charles Korn <charles.korn@grafana.com>

* Ensure all queriers are closed if `DB.Querier()` fails.

Signed-off-by: Charles Korn <charles.korn@grafana.com>

* Invert error handling in `DB.Querier()` and `DB.blockChunkQuerierForRange()` to make it clearer

Signed-off-by: Charles Korn <charles.korn@grafana.com>

* Ensure that queries that touch OOO data can't block OOO head garbage collection forever.

Signed-off-by: Charles Korn <charles.korn@grafana.com>

* Address PR feedback: fix parameter name in comment

Co-authored-by: Jesus Vazquez <jesusvazquez@users.noreply.github.com>
Signed-off-by: Charles Korn <charleskorn@users.noreply.github.com>

* Address PR feedback: use `lastGarbageCollectedMmapRef`

Signed-off-by: Charles Korn <charles.korn@grafana.com>

* Address PR feedback: ensure pending reads are cleaned up if creating an OOO querier fails

Signed-off-by: Charles Korn <charles.korn@grafana.com>

---------

Signed-off-by: Charles Korn <charles.korn@grafana.com>
Signed-off-by: Charles Korn <charleskorn@users.noreply.github.com>
Co-authored-by: Jesus Vazquez <jesusvazquez@users.noreply.github.com>
2023-11-24 12:38:38 +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 tsdb/errors: fix errorlint linter 2023-11-14 19:16:12 +00:00
fileutil tsdb/fileutil: use Go standard errors 2023-11-14 19:05:21 +00:00
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 tsdb/tsdbutil: use Go standard errors 2023-11-14 20:46:36 +01:00
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 Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
db_test.go Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
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 Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
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 Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
ooo_head_read.go Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
ooo_head_read_test.go Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
ooo_head_test.go ci(lint): enable godot; append dot at the end of comments 2023-10-31 19:53:38 +02:00
ooo_isolation.go Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
ooo_isolation_test.go Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
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 Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) 2023-11-24 12:38:38 +01:00
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: