1 Commits (57c799132b8d5b3bc1c0d5489653a789ccb617dc)

Author	SHA1	Message	Date
Charles Korn	59844498f7	Fix issue where queries can fail or omit OOO samples if OOO head compaction occurs between creating a querier and reading chunks (#13115) ... * Add failing test. Signed-off-by: Charles Korn <charles.korn@grafana.com> * Don't run OOO head garbage collection while reads are running. Signed-off-by: Charles Korn <charles.korn@grafana.com> * Add further test cases for different order of operations. Signed-off-by: Charles Korn <charles.korn@grafana.com> * Ensure all queriers are closed if `DB.blockChunkQuerierForRange()` fails. Signed-off-by: Charles Korn <charles.korn@grafana.com> * Ensure all queriers are closed if `DB.Querier()` fails. Signed-off-by: Charles Korn <charles.korn@grafana.com> * Invert error handling in `DB.Querier()` and `DB.blockChunkQuerierForRange()` to make it clearer Signed-off-by: Charles Korn <charles.korn@grafana.com> * Ensure that queries that touch OOO data can't block OOO head garbage collection forever. Signed-off-by: Charles Korn <charles.korn@grafana.com> * Address PR feedback: fix parameter name in comment Co-authored-by: Jesus Vazquez <jesusvazquez@users.noreply.github.com> Signed-off-by: Charles Korn <charleskorn@users.noreply.github.com> * Address PR feedback: use `lastGarbageCollectedMmapRef` Signed-off-by: Charles Korn <charles.korn@grafana.com> * Address PR feedback: ensure pending reads are cleaned up if creating an OOO querier fails Signed-off-by: Charles Korn <charles.korn@grafana.com> --------- Signed-off-by: Charles Korn <charles.korn@grafana.com> Signed-off-by: Charles Korn <charleskorn@users.noreply.github.com> Co-authored-by: Jesus Vazquez <jesusvazquez@users.noreply.github.com>	1 year ago