The Prometheus monitoring system and time series database.

prometheus hacktoberfest metrics alerting graphing monitoring time-series

Bryan Boreham 54de4fb780 Merge pull request #14975 from colega/process-mempostings-delete-with-gomaxprocs-workers Process `MemPostings.Delete()` with `GOMAXPROCS` workers		2 months ago
..
agent	fix(test): adjust defer invocations (#14996 )	2 months ago
chunkenc	lint	2 months ago
chunks	chore: Fix typos (#14868 )	2 months ago
docs	Fix language in docs and comments (#14041 )	7 months ago
encoding	Neater string vs byte-slice conversions (#14425 )	2 months ago
errors	…
fileutil	tests: remove err from message when testify prints it already	10 months ago
goversion	…
index	Merge pull request #14975 from colega/process-mempostings-delete-with-gomaxprocs-workers	2 months ago
record	chore: Fix typos (#14868 )	2 months ago
testdata	…
tombstones	…
tsdbutil	Ignore stale histograms for counter reset detection	4 months ago
wlog	fix(wlog/watcher_test.go): make TestRun_AvoidNotifyWhenBehind more resilient	2 months ago
.gitignore	…
CHANGELOG.md	…
README.md	…
block.go	TSDB: Review feedback	3 months ago
block_test.go	fix(bstream/writeByte): ensure it appends only one byte (#14854 )	2 months ago
blockwriter.go	tsdb: Extend compactor interface to allow compactions to create multiple output blocks (#14143 )	5 months ago
blockwriter_test.go	…
compact.go	TSDB: Change block populator to accept postings index function (#14213 )	5 months ago
compact_test.go	chore: Fix typos (#14868 )	2 months ago
db.go	[BUGFIX] TSDB: Only query chunks up to truncation time (#14948 )	2 months ago
db_test.go	tsdb: Add support for ingestion of out-of-order native histogram samples (#14546 )	2 months ago
example_test.go	…
exemplar.go	chore: Fix typos (#14868 )	2 months ago
exemplar_test.go	[Test] TSDB: BenchmarkResizeExemplar multiple per series	6 months ago
head.go	tsdb: Add support for ingestion of out-of-order native histogram samples (#14546 )	2 months ago
head_append.go	Histogram CT Zero ingestion	2 months ago
head_bench_test.go	…
head_dedupelabels.go	tsdb: reset symbol table for exemplars periodically	5 months ago
head_other.go	lint: Revamp our linting rules, mostly around doc comments	3 months ago
head_read.go	TSDB: streamline reading of overlapping head chunks	3 months ago
head_read_test.go	TSDB: Simplify OOO Select by copying the head chunk (#14396 )	5 months ago
head_test.go	Join tests for appending float and histogram CTs	2 months ago
head_wal.go	tsdb: Add support for ingestion of out-of-order native histogram samples (#14546 )	2 months ago
isolation.go	…
isolation_test.go	…
mocks_test.go	…
ooo_head.go	TSDB: Remove code for querying OOO-head only	3 months ago
ooo_head_read.go	[BUGFIX] TSDB: Only query chunks up to truncation time (#14948 )	2 months ago
ooo_head_read_test.go	[BUGFIX] TSDB: Only query chunks up to truncation time (#14948 )	2 months ago
ooo_head_test.go	tsdb: Add support for ingestion of out-of-order native histogram samples (#14546 )	2 months ago
ooo_isolation.go	…
ooo_isolation_test.go	…
querier.go	Fix: optimize .* regexp performance	2 months ago
querier_bench_test.go	TSDB: Simplify benchmark regexps	2 months ago
querier_test.go	[BUGFIX] TSDB: Only query chunks up to truncation time (#14948 )	2 months ago
repair.go	…
repair_test.go	tsdb tests: use go-cmp instead of DeepEquals	10 months ago
testutil.go	tsdb: Add support for ingestion of out-of-order native histogram samples (#14546 )	2 months ago
tsdbblockutil.go	Optimize histogram iterators (#13340 )	10 months ago

README.md

TSDB

This directory contains the Prometheus TSDB (Time Series DataBase) library, which handles storage and querying of all Prometheus v2 data.

Documentation

External resources

A writeup of the original design can be found here.
Video: Storing 16 Bytes at Scale from PromCon 2017.
Compression is based on the Gorilla TSDB white paper.

A series of blog posts explaining different components of TSDB: