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prometheus/tsdb
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György Krajcsovits c26a5390aa
perf(tsdb): reuse map of sample types to speed up head appender 
While investigating +10% CPU in v3.7 release, found that ~5% is from
expanding the types map. Try reuse.

Also fix a linter error.

Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>
2025-10-06 21:44:34 +02:00
..
agent
fix(wal): ignore invalid native histogram schemas on load
2025-09-24 11:41:25 +02:00
chunkenc
better errors naming and formatting, typo fixes
2025-09-23 11:20:55 +02:00
chunks
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
docs
docs: Fix chunk format documentation for varint encoding
2025-08-15 10:56:21 +02:00
encoding
Attempt for record type
2024-12-05 09:21:47 -08:00
errors
tsdb/errors.MultiError: support errors.As (#16544)
2025-05-06 13:45:16 +00:00
fileutil
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
goversion
remove obsolete build tag
2024-01-17 22:26:32 +08:00
index
Fix minor issues after applying analyzer "modernize"
2025-08-27 15:44:11 +02:00
record
Update tsdb/record/record.go
2025-09-24 14:27:37 +02:00
testdata
tsdb: Delete blocks atomically; Remove tmp blocks on start; Added test. (#7772)
2020-08-11 06:56:08 +01:00
tombstones
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
tsdbutil
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
wlog
fix(wal): ignore invalid native histogram schemas on load
2025-09-24 11:41:25 +02:00
.gitignore
Moving tsdb into its own subdirectory
2019-08-13 13:58:49 +05:30
block_test.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
block.go
add NumFloatSamples to TSDB block stats
2025-07-07 13:48:18 -07:00
blockwriter_test.go
chore: enable gci linter (#16245)
2025-03-22 15:46:13 +00:00
blockwriter.go
Upgrade to github.com/oklog/ulid/v2 (#16168)
2025-03-05 16:03:25 +01:00
CHANGELOG.md
Rename default branch to main
2021-02-22 20:28:02 +01:00
compact_test.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
compact.go
Merge pull request #17074 from prymitive/logs
2025-09-02 12:55:12 +01:00
db_test.go
fix(wal): ignore invalid native histogram schemas on load
2025-09-24 11:41:25 +02:00
db.go
Log when GC / block write starts
2025-08-26 10:30:22 +01:00
example_test.go
Add context argument to Querier.Select (#12660)
2023-09-12 12:37:38 +02:00
exemplar_test.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
exemplar.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
head_append.go
perf(tsdb): reuse map of sample types to speed up head appender
2025-10-06 21:44:34 +02:00
head_bench_test.go
Create memSeries with pendingCommit=true
2025-03-27 11:11:57 +01:00
head_dedupelabels.go
chore!: adopt log/slog, remove go-kit/log
2024-10-07 15:58:50 -04:00
head_other.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
head_read_test.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
head_read.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
head_test.go
tsdb: Fix appended sample count metrics when converting float staleness markers to histograms (#17241)
2025-09-30 16:49:54 +00:00
head_wal.go
fix(wal): ignore invalid native histogram schemas on load
2025-09-24 11:41:25 +02:00
head.go
perf(tsdb): reuse map of sample types to speed up head appender
2025-10-06 21:44:34 +02:00
isolation_test.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
isolation.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
mocks_test.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
ooo_head_read_test.go
[PERF] TSDB: Pass down label value limit into implementation (#16158)
2025-05-06 18:54:48 +01:00
ooo_head_read.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
ooo_head_test.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
ooo_head.go
Add util/compression package to consolidate snappy/zstd use in Prometheus. (#16156)
2025-03-10 10:36:26 +00:00
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
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
querier_bench_test.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
querier_test.go
Apply analyzer "modernize" to the whole codebase
2025-08-27 14:48:41 +02:00
querier.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
README.md
Fixed broken link in tsdb README.md
2022-10-07 16:20:20 +00:00
repair_test.go
feat: Allow customizing TSDB postings decoder (#13567)
2024-11-11 07:59:24 +01:00
repair.go
chore!: adopt log/slog, remove go-kit/log
2024-10-07 15:58:50 -04:00
testutil.go
Fix linting issues found by golangci-lint v2.0.2 (#16368)
2025-05-03 19:05:13 +02:00
tsdbblockutil.go
enable errorf rule from perfsprint linter
2024-11-06 16:50:36 +01:00

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: