Bartlomiej Plotka
eefa6178fb
fix: fix rare race on empty head.initialized() vs head.initTime() ( #17963 )
...
* fix: fix rare race on empty head.initized() vs head.initTime()
Relates to https://github.com/prometheus/prometheus/issues/17941
Signed-off-by: bwplotka <bwplotka@gmail.com>
* Apply suggestions from code review
Co-authored-by: Owen Williams <owen.williams@grafana.com>
Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
* addressed comments
Signed-off-by: bwplotka <bwplotka@gmail.com>
---------
Signed-off-by: bwplotka <bwplotka@gmail.com>
Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
Co-authored-by: Owen Williams <owen.williams@grafana.com>
2026-02-02 09:13:02 +00:00
Arve Knudsen
d9db76631d
tsdb: fix flaky TestWaitForPendingReadersInTimeRange tests ( #17985 )
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The tests were flaky because they used hard-coded time.After(550ms)
waits, which had only 50ms margin over WaitForPendingReadersInTimeRange's
500ms poll interval. On slow CI runners, this margin wasn't reliable.
Use synctest for deterministic time control:
- Wrap test logic in synctest.Test() to use fake time
- Use synctest.Wait() to let goroutines reach dormant state
- Use time.Sleep() to advance fake time past the poll interval
- No more timing-dependent assertions
This makes the tests both reliable and ~60x faster (0.05s vs 3s).
Fixes both TestWaitForPendingReadersInTimeRange and
TestWaitForPendingReadersInTimeRange_AppenderV2.
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2026-02-01 15:52:26 +00:00
Bartlomiej Plotka
88f6ee4c8e
tests(scrape): add TestScrapeLoopAppend_WithStorage ( #17937 )
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2026-01-30 11:44:07 +00:00
Bartlomiej Plotka
0fc70f3a62
tsdb: kill unused mint,maxt tracking ( #17967 )
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2026-01-29 14:26:40 +00:00
Arve Knudsen
00a7faa2e3
tsdb: fix division by zero in stale series compaction ( #17952 )
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Guard the stale series ratio calculation by checking numSeries > 0
before computing the ratio. This prevents division by zero when
the head has no series.
Fixes #17949
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2026-01-29 08:06:00 +01:00
Bartlomiej Plotka
2597a12080
st: Add a hidden 'st-storage' feature flag for PROM-60 ( #17907 )
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Signed-off-by: bwplotka <bwplotka@gmail.com>
Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
2026-01-28 09:05:54 +00:00
Björn Rabenstein
15030d6f19
Merge pull request #17738 from aknuds1/arve/leveled-compactor
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enhancement(tsdb): add test for `LeveledCompactor.Plan` stopping after excluding block
2026-01-27 12:38:42 +01:00
Arve Knudsen
c8ff2d739b
enhancement(tsdb): add test for LeveledCompactor stopping after excluding block
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Add a test for `LeveledCompactor.Plan()` stopping after a block matches the
`BlockExcludeFilter`, as a sub-test
`TestLeveledCompactor/Plan/BlockExcludeFilter stops iteration`.
Also moving `TestLeveledCompactor_plan` to a sub-test
of `TestLeveledCompactor`, for consistency.
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2026-01-24 16:07:22 +01:00
Ganesh Vernekar
3e4a094dbb
Add stale_series_compaction_threshold config file option
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Signed-off-by: Ganesh Vernekar <ganesh.vernekar@reddit.com>
2026-01-23 18:12:34 -08:00
Ganesh Vernekar
4f3de8da29
tsdb: Add unit tests for stale series compaction
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Signed-off-by: Ganesh Vernekar <ganesh.vernekar@reddit.com>
2026-01-23 18:07:34 -08:00
Ganesh Vernekar
43dc23afe7
tsdb: Clear stale series from the Head during WAL replay
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Signed-off-by: Ganesh Vernekar <ganesh.vernekar@reddit.com>
2026-01-23 18:02:45 -08:00
Ganesh Vernekar
43e69388df
tsdb: Add stale series compaction support in the DB
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Signed-off-by: Ganesh Vernekar <ganesh.vernekar@reddit.com>
2026-01-23 18:00:08 -08:00
Ganesh Vernekar
9b444b57af
tsdb: Add StaleHead and GC for stale series in the Head block
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Signed-off-by: Ganesh Vernekar <ganesh.vernekar@reddit.com>
2026-01-23 17:59:41 -08:00
Bartlomiej Plotka
bec70227f1
feat(scrape)[PART5b]: Add AppenderV2 support to scrape.NewManager constructor ( #17872 )
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* feat(scrape)[PART5b]: Add AppenderV2 support to scrape.NewManager optionally to V1
Signed-off-by: bwplotka <bwplotka@gmail.com>
* Update scrape/manager.go
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
* fixes after rebase
Signed-off-by: bwplotka <bwplotka@gmail.com>
* Apply suggestions from code review
Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
---------
Signed-off-by: bwplotka <bwplotka@gmail.com>
Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
2026-01-23 09:04:05 +00:00
yy
0e77dcfdb9
fix: typo in error message ( #17878 )
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Signed-off-by: Yohei Yamamoto <yhymmt123@gmail.com>
2026-01-20 12:14:02 +01:00
Arve Knudsen
572f247b4d
tsdb: add auto-cleanup to newTestHead and remove redundant cleanup calls ( #17890 )
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Add automatic cleanup to newTestHeadWithOptions so that heads created
with newTestHead are automatically closed when the test ends. This
simplifies test code by removing the need for manual cleanup in most
cases.
Changes:
- Add t.Cleanup in newTestHeadWithOptions immediately after creating
the head, using _ = h.Close() to handle double-close gracefully
- Remove redundant t.Cleanup, defer, and explicit Close calls from
tests that use newTestHead
- Add cleanup for heads created with NewHead directly in restart
patterns (e.g., restartHeadAndVerifySeriesCounts, startHead)
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2026-01-19 12:57:05 +01:00
Arve Knudsen
dd85d7ca97
tsdb: fix memory leaks in buffer pools ( #17879 )
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* tsdb: fix memory leaks in buffer pools
Clear reference fields when returning buffers to pools to avoid
retaining data after the buffer is reused.
Affected pools:
- refSeriesPool: clear Labels
- histogramsPool: clear H pointer
- floatHistogramsPool: clear FH pointer
- metadataPool: clear Unit and Help strings
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
* Clear slices
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
* Clear metadata buffer
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
* Remove tests
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
---------
Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
2026-01-19 11:14:31 +00:00
Bartlomiej Plotka
c4b0da94db
Merge pull request #17835 from prometheus/bwplotka/a2-storage-support
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feat(storage)[PART4b]: add AppenderV2 to the rest of storage.Storage implementations + mock exemplar fix
2026-01-16 13:04:14 +00:00
George Krajcsovits
ef350b2b54
Merge pull request #17840 from prometheus/krajo/st-in-chunks
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feat(tsdb): new Append parameter and AtST interface for chunks
2026-01-16 10:32:53 +01:00
Julius Hinze
e49d11c88d
tsdb: fix rare case of OOO exemplar insertion pointing to the exemplar being deleted ( #17865 )
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Signed-off-by: Julius Hinze <julius.hinze@grafana.com>
2026-01-15 08:49:37 +01:00
Julius Hinze
ccb7468b09
tsdb: fix grow/shrink nextIndex calculation ( #17863 )
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Signed-off-by: Julius Hinze <julius.hinze@grafana.com>
2026-01-14 16:44:50 +01:00
George Krajcsovits
06a59346fe
Update tsdb/chunkenc/chunk.go
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Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
Signed-off-by: George Krajcsovits <krajorama@users.noreply.github.com>
2026-01-14 16:41:03 +01:00
bwplotka
49c3aea56d
feat(storage)[PART4b]: add AppenderV2 to the rest of storage.Storage impl
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2026-01-14 13:54:27 +00:00
György Krajcsovits
adf734db7a
update remaining tests
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Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
2026-01-14 13:15:16 +01:00
György Krajcsovits
a5ac0bff1d
update ooo_head.go but only with TODOs
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Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
2026-01-14 13:15:15 +01:00
György Krajcsovits
28dca34f4f
auto update head sample use in tests
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find . -name "*.go" -type f -exec sed -E -i \
's/([^[:alpha:]]sample\{)([^,{:]+,[^,]+,[^,]+,[^,]+\})/\10, \2/g' {} +
I've omitted tsdb/ooo_head.go from the commit because I'm also adding todo
there.
Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
2026-01-14 13:15:13 +01:00
György Krajcsovits
f616689f09
tsdb/head.go: add start timestamp to sample type used in tests
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Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
2026-01-14 13:15:12 +01:00
György Krajcsovits
70bc06718d
feat(tsdb): new AppenderV2 and AtST interface for chunks
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No implementation yet. Just to test the shape of the interface.
AtST is implemented for trivial cases, anything else is hard coded
to return 0.
Ref: https://github.com/prometheus/prometheus/issues/17791
Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
2026-01-14 13:15:09 +01:00
Ben Kochie
72a23934ad
Refactor various tsdb sub-packages ( #17847 )
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Migrate various tsdb related packages from `tsdb/errors` to the standard
library `errors` package.
Signed-off-by: SuperQ <superq@gmail.com>
2026-01-13 13:38:58 +00:00
Bryan Boreham
da754cd240
Merge remote-tracking branch 'origin/release-3.9' into merge-3.9-into-main
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2026-01-07 15:51:44 +00:00
Bryan Boreham
f1719fa1d4
[BUGFIX] Agent: fix crash from invalid type in pool ( #17802 )
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We have separate pools for Appender and AppenderV2 objects, and must not
put another kind of object into them.
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2026-01-07 14:01:02 +00:00
Julius Hinze
22463b1e9f
tsdb: add support for OOO exemplars in CircularExemplarStorage ( #17469 )
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* tsdb: add support for OOO exemplars in CircularExemplarStorage
Doubly linked exemplar storage resize.
Split exemplar buffer resize into shrink and grow functions.
Skip duplicate OOO exemplars, re-initialize emptied index after deleting its last exemplar.
Signed-off-by: Julius Hinze <julius.hinze@grafana.com>
2026-01-07 13:25:50 +01:00
Patryk Prus
dcda4840a7
tsdb/index: export sentinel errors for size limit failures ( #17773 )
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* tsdb/index: export sentinel errors for size limit failures
---------
Signed-off-by: Patryk Prus <p@trykpr.us>
Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
2026-01-06 14:07:23 +01:00
Ben Kochie
e14795bbf4
Remove copyright date from headers ( #17785 )
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Remove copyright dates from various files as part of [PROM-50].
[PROM-50]: https://github.com/prometheus/proposals/blob/main/proposals/0050-remove-copyright-dates.md
Signed-off-by: SuperQ <superq@gmail.com>
2026-01-05 13:46:21 +01:00
Jarkko Pöyry
e4b6d443fc
tsdb: fix handle leak on mmap failure on MS Windows ( #17310 )
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Signed-off-by: Jarkko Pöyry <jarkko.poyry@metaplay.io>
2025-12-21 20:55:02 +01:00
Bartlomiej Plotka
1c0537dc02
Merge pull request #17677 from prometheus/bwplotka/a2-agent
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refactor(tsdb/agent)[PART3]: add AppenderV2 support to agent
2025-12-17 14:27:51 +00:00
bwplotka
96ff5b8f9c
addressed comment
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2025-12-17 05:47:28 +00:00
bwplotka
bab7614d1b
fix: ensure no race on lset
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2025-12-17 05:39:07 +00:00
bwplotka
fc019d6628
refactor(scrape): DRY-ed getOrCreate flow
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2025-12-17 05:29:30 +00:00
Charles Korn
69aa3ac67b
tsdb: correctly log error in headAppenderV2.appendExemplars
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Signed-off-by: Charles Korn <charles.korn@grafana.com>
2025-12-17 10:04:14 +11:00
NamanParlecha
c94101d023
TSDB: Option to configure TSDB Block Reload Interval ( #16728 )
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Add --storage.tsdb.block-reload-interval flag to configure TSDB block reload interval.
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Signed-off-by: Naman-B-Parlecha <namanparlecha@gmail.com>
Signed-off-by: NamanParlecha <namanparlecha@gmail.com>
Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
2025-12-15 09:31:17 +01:00
bwplotka
ad367b504b
refactor(tsdb/agent)[PART3]: add AppenderV2 support to agent
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2025-12-13 05:17:39 +00:00
bwplotka
763b935b45
refactor(tsdb/agent): 1:1 copy of db.go and db_test.go for starting point
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2025-12-12 15:20:42 +00:00
Bryan Boreham
41665a4a55
[CHORE] TSDB: Remove unused LabelValueFor function
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The last use of this was removed 4 years ago.
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2025-12-12 13:44:13 +00:00
Bryan Boreham
583bc01cc9
Refactor: TSDB: small improvement to Postings ( #17661 )
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* [TESTS] TSDB: Check that ListPostings are sorted
`newListPostings` is a convenient place to do this; move it into the
test file because it's not needed for anything else.
Also simplify the existing `SliceIsSorted` check.
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
* [COMMENTS] TSDB: Document that Postings are ordered.
The description of `Seek()` implies they are, but it's better to be explicit.
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
* [REFACTOR] Unexport ListPostings type
It's only used within the one package, and it would be surprising if
some downstream code did rely on this type, given all of its members
are unexported.
Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
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Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
2025-12-11 08:14:35 +00:00
Julien
f73aba34cd
Merge pull request #17427 from roidelapluie/roidelapluie/ffapi
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API: Add a /api/v1/features endpoint
2025-12-10 10:14:03 +01:00
Julien Pivotto
a5671a002f
API: Add a /api/v1/features endpoint
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Signed-off-by: Julien Pivotto <291750+roidelapluie@users.noreply.github.com>
2025-12-09 16:13:14 +01:00
Bartlomiej Plotka
be419d80dc
Merge pull request #17629 from prometheus/bwplotka/a2-tsdb
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refactor(appenderV2)[PART1]: add AppenderV2 interface; add TSDB AppenderV2 implementation
2025-12-09 11:41:00 +00:00
bwplotka
e7e45090e4
refactor(appenderV2): port TSDB non-head tests
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Signed-off-by: bwplotka <bwplotka@gmail.com>
2025-12-09 10:39:45 +00:00
bwplotka
0b70a07572
refactor(appenderV2): add TSDB AppenderV2 implementation
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Signed-off-by: bwplotka <bwplotka@gmail.com>
tmp
Signed-off-by: bwplotka <bwplotka@gmail.com>
2025-12-09 10:39:43 +00:00
