prometheus

Commit Graph

Author	SHA1	Message	Date
Darshan Chaudhary	c4f2e9eec5	Add present_over_time (#9097 ) * Add present_over_time Signed-off-by: darshanime <deathbullet@gmail.com> * Add tests for present_over_time Signed-off-by: darshanime <deathbullet@gmail.com> * Address PR comments Signed-off-by: darshanime <deathbullet@gmail.com> * Add documentation for present_over_time Signed-off-by: darshanime <deathbullet@gmail.com> * Update documentation Signed-off-by: darshanime <deathbullet@gmail.com> * Update documentation comment Signed-off-by: darshanime <deathbullet@gmail.com>	2021-07-29 12:38:11 +02:00
Ganesh Vernekar	59d02b5ef0	tsdb: Block Head GC till pending readers are done reading (#9081 ) * tsdb: Block Head GC till pending readers are done reading Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com> * Fix review comments Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com> * Fix review comments 2 Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com> * Fix the exclusiveness of maxt in WaitForPendingReadersInTimeRange Signed-off-by: Ganesh Vernekar <ganeshvern@gmail.com>	2021-07-20 14:17:20 +05:30
Bryan Boreham	dc8f505595	tsdb: coalesce lock/unlock operations for append (#9061 ) Fetch the low watermark value under the same lock as we need for the appender, rather than releasing then re-aquiring a lock on the same Mutex. Signed-off-by: Bryan Boreham <bjboreham@gmail.com>	2021-07-07 18:58:20 +05:30
Peter Štibraný	ff80690a6e	Optimise lowWatermark in Isolation (#7332 ) * Track open appenders in doubly-linked list to make lowWatermark O(1). * Use RW locks. * Added BenchmarkIsolationWithState. Signed-off-by: Peter Štibraný <peter.stibrany@grafana.com>	2020-06-03 20:09:05 +02:00
beorn7	d9af11e636	Do not attempt isolation for appendID == 0 Signed-off-by: beorn7 <beorn@grafana.com>	2020-03-01 02:48:35 +01:00
beorn7	7f30b0984d	Implement isolation This has been ported from https://github.com/prometheus/tsdb/pull/306. Original implementation by @brian-brazil, explained in detail in the 2nd half of this talk: https://promcon.io/2017-munich/talks/staleness-in-prometheus-2-0/ The implementation was then processed by @gouthamve into the PR linked above. Relevant slide deck: https://docs.google.com/presentation/d/1-ICg7PEmDHYcITykD2SR2xwg56Tzf4gr8zfz1OerY5Y/edit?usp=drivesdk Signed-off-by: beorn7 <beorn@grafana.com> Co-authored-by: Brian Brazil <brian.brazil@robustperception.io> Co-authored-by: Goutham Veeramachaneni <gouthamve@gmail.com>	2020-02-28 14:18:39 +01:00

6 Commits