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* 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>
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.
See also the format documentation.
A series of blog posts explaining different components of TSDB: