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prometheus/tsdb
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Victor Herrero Otal 0cbbc9b7d3 docs: Fix chunk format documentation for varint encoding 
While preparing PR #16701, we identified an inconsistency in the chunk
format documentation. The `varint` encoding can require up to 10 bytes
for a 64-bit integer, such as when timestamps are encoded. However, the
chunk length field is a 32-bit integer, which requires at most 5 bytes
in `varint` encoding.

This is reflected in the code, where a maximum of 5 bytes are read when
parsing the chunk length.

    50ba25f273/tsdb/chunks/chunks.go (L709-L711)

    50ba25f273/tsdb/chunks/chunks.go (L47-L48)

Co-authored-by: Istvan Zoltan Ballok <istvan.zoltan.ballok@sap.com>
Signed-off-by: Victor Herrero Otal <victor.herrero.otal@sap.com>
2025-08-15 10:56:21 +02:00
..
agent
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
chunkenc
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
chunks
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
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
Merge pull request #16994 from mmorel-35/unused-parameters
2025-08-06 10:46:28 +01:00
goversion
remove obsolete build tag
2024-01-17 22:26:32 +08:00
index
Merge pull request #17000 from bboreham/clarify-intersect
2025-08-06 12:07:10 +01:00
record
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
testdata
tsdb: Delete blocks atomically; Remove tmp blocks on start; Added test. (#7772)
2020-08-11 06:56:08 +01:00
tombstones
refactor: use the built-in max/min to simplify the code
2025-05-20 14:36:39 +08:00
tsdbutil
chore: enable gci linter (#16245)
2025-03-22 15:46:13 +00:00
wlog
Parallel tsdb/wlog test
2025-08-12 14:12:15 +02:00
.gitignore
Moving tsdb into its own subdirectory
2019-08-13 13:58:49 +05:30
block_test.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
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
Add t.parallel() for ./tsdb
2025-08-12 14:12:42 +02:00
compact.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
db_test.go
Add t.parallel() for ./tsdb
2025-08-12 14:12:42 +02:00
db.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
example_test.go
Add context argument to Querier.Select (#12660)
2023-09-12 12:37:38 +02:00
exemplar_test.go
tsdb.CircularExemplarStorage: Avoid racing (#15231)
2024-10-29 10:40:46 +01:00
exemplar.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
head_append.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
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
Create memSeries with pendingCommit=true
2025-03-27 11:11:57 +01:00
head_read.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
head_test.go
Add t.parallel() for ./tsdb
2025-08-12 14:12:42 +02:00
head_wal.go
refactor: use the built-in max/min to simplify the code
2025-05-20 14:36:39 +08:00
head.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
isolation_test.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
isolation.go
chore: enable early-return from revive
2025-02-10 22:08:43 +01:00
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
Fix linting issues found by golangci-lint v2.0.2 (#16368)
2025-05-03 19:05:13 +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
Improving "Sparse postings" intersection (#13971)
2025-08-05 12:22:54 +01:00
querier_test.go
chore: enable unused-receiver rule from revive
2025-08-04 09:43:33 +00:00
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: