The Prometheus monitoring system and time series database.

prometheus hacktoberfest metrics alerting graphing monitoring time-series

Mauro Stettler 7715fe3219 Add matchers to LabelValues() call (#8400 ) * Accept matchers in querier LabelValues() Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * create matcher to only select metrics which have searched label Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * test case for merge querier with matchers Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * test LabelValues with matchers on head Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * add test for LabelValues on block Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * formatting fix Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * Add comments Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * add missing lock release Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * remove unused parameter Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * Benchmarks for LabelValues() methods on block/head Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * Better comment Co-authored-by: Julien Pivotto <roidelapluie@gmail.com> Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * update comment Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * minor refactor make code cleaner Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * better comments Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * fix expected errors in test Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * Deleting parameter which can only be empty Co-authored-by: Ganesh Vernekar <15064823+codesome@users.noreply.github.com> Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * fix comments Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * remove unnecessary lock Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * only lookup label value if label name was looked up Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * Return error when there is one Co-authored-by: Ganesh Vernekar <15064823+codesome@users.noreply.github.com> Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * Call .Get() on decoder before checking errors Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * only lock head.symMtx when necessary Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * remove unnecessary delete() Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * re-use code instead of duplicating it Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * Consistently return error from LabelValueFor() Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * move helper func from util.go to querier.go Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * Fix test expectation Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> Co-authored-by: Ganesh Vernekar <15064823+codesome@users.noreply.github.com> * ensure result de-duplication and sorting works Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> * return named error from LabelValueFor() Signed-off-by: Mauro Stettler <mauro.stettler@gmail.com> Co-authored-by: Julien Pivotto <roidelapluie@gmail.com> Co-authored-by: Ganesh Vernekar <15064823+codesome@users.noreply.github.com>		4 years ago
..
chunkenc	…
chunks	Fix golint issue caused by typo	4 years ago
docs/format	…
encoding	…
errors	…
fileutil	…
goversion	…
index	Add matchers to LabelValues() call (#8400 )	4 years ago
record	…
test	…
testdata	…
tombstones	…
tsdbutil	…
wal	Cleanup tempfiles in tests (#8179 )	4 years ago
.gitignore	…
CHANGELOG.md	…
README.md	Link blog post on TSDB queries in tsdb/README.md (#8391 )	4 years ago
block.go	Add matchers to LabelValues() call (#8400 )	4 years ago
block_test.go	Add matchers to LabelValues() call (#8400 )	4 years ago
blockwriter.go	Combine NewHead() args into a HeadOptions struct (#8452 )	4 years ago
blockwriter_test.go	Cleanup tempfiles in tests (#8179 )	4 years ago
compact.go	Increase the buckets for compaction duration (#8342 )	4 years ago
compact_test.go	Combine NewHead() args into a HeadOptions struct (#8452 )	4 years ago
db.go	Combine NewHead() args into a HeadOptions struct (#8452 )	4 years ago
db_test.go	fix: remove pre-2.21 tmp blocks on start (#8353 )	4 years ago
head.go	Add matchers to LabelValues() call (#8400 )	4 years ago
head_bench_test.go	Combine NewHead() args into a HeadOptions struct (#8452 )	4 years ago
head_test.go	Add matchers to LabelValues() call (#8400 )	4 years ago
isolation.go	…
isolation_test.go	…
mocks_test.go	…
querier.go	Add matchers to LabelValues() call (#8400 )	4 years ago
querier_bench_test.go	Combine NewHead() args into a HeadOptions struct (#8452 )	4 years ago
querier_test.go	Add matchers to LabelValues() call (#8400 )	4 years ago
repair.go	…
repair_test.go	…
tsdbblockutil.go	…
wal.go	Update golangci-lint to 1.36.0	4 years ago
wal_test.go	…

README.md

TSDB

This directory contains the Prometheus storage layer that is used in its 2.x releases.

A writeup of its design can be found here.

Based on the Gorilla TSDB white papers.

Video: Storing 16 Bytes at Scale from PromCon 2017.