5 Commits (59d02b5ef003f125286a62aa6daf4c8b7583042f)

Author	SHA1	Message	Date
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>	4 years ago
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>	4 years ago
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>	5 years ago
beorn7	d9af11e636	Do not attempt isolation for appendID == 0 ... Signed-off-by: beorn7 <beorn@grafana.com>	5 years ago
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>	5 years ago