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prometheus/tsdb
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Bryan Boreham a82bb77178
[PERF] Remote-write: re-use memory to read WAL data (#16197) 
The `:=` causes new variables to be created, which means the outer
slice stays at nil, and new memory is allocated every time round the
loop.

Extracted from https://github.com/prometheus/prometheus/pull/16182
Credit to @bwplotka.

Signed-off-by: Bryan Boreham <bjboreham@gmail.com>
 		2025-03-26 14:49:10 +01:00
..
agent TSDB: keep duplicate series records in checkpoints while their samples may still be present (#16060) 2025-03-05 13:45:08 -05:00
chunkenc tsdb/chunkenc: don't reuse custom value slices between histograms 2024-11-29 16:28:09 +11:00
chunks chore: enable unused-parameter from revive 2025-02-19 19:50:28 +01:00
docs Merge branch 'main' into cedwards/nhcb-wal-wbl 2025-01-02 12:50:19 +01:00
encoding Attempt for record type 2024-12-05 09:21:47 -08:00
errors Upgrade to Go v1.24 (#16180) 2025-03-07 11:28:26 +01:00
fileutil chore: enable unused-parameter from revive 2025-02-19 19:50:28 +01:00
goversion remove obsolete build tag 2024-01-17 22:26:32 +08:00
index chore: enable unused-parameter from revive 2025-02-19 19:50:28 +01:00
record chore: enable unused-parameter from revive 2025-02-19 19:50:28 +01:00
testdata
…
tombstones chore!: adopt log/slog, remove go-kit/log 2024-10-07 15:58:50 -04:00
tsdbutil fix: os.MkdirTemp with t.TempDir (#15860) 2025-01-31 14:32:20 +00:00
wlog [PERF] Remote-write: re-use memory to read WAL data (#16197) 2025-03-26 14:49:10 +01:00
.gitignore
…
CHANGELOG.md
…
README.md Fixed broken link in tsdb README.md 2022-10-07 16:20:20 +00:00
block.go Upgrade to github.com/oklog/ulid/v2 (#16168) 2025-03-05 16:03:25 +01:00
block_test.go chore: enable unused-parameter from revive 2025-02-19 19:50:28 +01:00
blockwriter.go Upgrade to github.com/oklog/ulid/v2 (#16168) 2025-03-05 16:03:25 +01:00
blockwriter_test.go feat: Allow customizing TSDB postings decoder (#13567) 2024-11-11 07:59:24 +01:00
compact.go Upgrade to github.com/oklog/ulid/v2 (#16168) 2025-03-05 16:03:25 +01:00
compact_test.go Upgrade to github.com/oklog/ulid/v2 (#16168) 2025-03-05 16:03:25 +01:00
db.go Upgrade to github.com/oklog/ulid/v2 (#16168) 2025-03-05 16:03:25 +01:00
db_test.go TSDB: keep duplicate series records in checkpoints while their samples may still be present (#16060) 2025-03-05 13:45:08 -05:00
example_test.go Add context argument to Querier.Select (#12660) 2023-09-12 12:37:38 +02:00
exemplar.go tsdb.CircularExemplarStorage: Avoid racing (#15231) 2024-10-29 10:40:46 +01:00
exemplar_test.go tsdb.CircularExemplarStorage: Avoid racing (#15231) 2024-10-29 10:40:46 +01:00
head.go TSDB: keep duplicate series records in checkpoints while their samples may still be present (#16060) 2025-03-05 13:45:08 -05:00
head_append.go Use new record type only for NHCB 2024-12-06 13:46:20 -08:00
head_bench_test.go Revert "Fix `MemPostings.Add` and `MemPostings.Get` data race (#15141)" 2024-11-03 12:30:34 +00:00
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-parameter from revive 2025-02-19 19:50:28 +01:00
head_read.go chore: enable unused-parameter from revive 2025-02-19 19:50:28 +01:00
head_read_test.go TSDB: Simplify OOO Select by copying the head chunk (#14396) 2024-07-03 15:08:07 +01:00
head_test.go TSDB: keep duplicate series records in checkpoints while their samples may still be present (#16060) 2025-03-05 13:45:08 -05:00
head_wal.go TSDB: keep duplicate series records in checkpoints while their samples may still be present (#16060) 2025-03-05 13:45:08 -05:00
isolation.go chore: enable early-return from revive 2025-02-10 22:08:43 +01:00
isolation_test.go chore: enable unused-parameter from revive 2025-02-19 19:50:28 +01:00
mocks_test.go tsdb: use Go standard errors 2023-12-11 12:18:54 +00:00
ooo_head.go Upgrade to Go v1.24 (#16180) 2025-03-07 11:28:26 +01:00
ooo_head_read.go Upgrade to github.com/oklog/ulid/v2 (#16168) 2025-03-05 16:03:25 +01:00
ooo_head_read_test.go Upgrade to Go v1.24 (#16180) 2025-03-07 11:28:26 +01:00
ooo_head_test.go fix TestOOOHeadChunkReader_Chunk on 32-bit 2024-12-16 10:45:07 -05:00
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 Upgrade to github.com/oklog/ulid/v2 (#16168) 2025-03-05 16:03:25 +01:00
querier_bench_test.go TSDB benchmarks: Commit periodically to speed up init 2024-12-30 17:42:56 +00:00
querier_test.go Upgrade to github.com/oklog/ulid/v2 (#16168) 2025-03-05 16:03:25 +01:00
repair.go chore!: adopt log/slog, remove go-kit/log 2024-10-07 15:58:50 -04:00
repair_test.go feat: Allow customizing TSDB postings decoder (#13567) 2024-11-11 07:59:24 +01:00
testutil.go Merge branch 'main' into cedwards/nhcb-wal-wbl 2025-01-02 12:50:19 +01:00
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: