Files
grafana/pkg/services/annotations/annotationsimpl
grafana-delivery-bot[bot] 9738c6c237 [v10.2.x] Annotations: Split cleanup into separate queries and deletes to avoid deadlocks on MySQL (#80485)
* Annotations: Split cleanup into separate queries and deletes to avoid deadlocks on MySQL (#80329)

* Split subquery when cleaning annotations

* update comment

* Raise batch size, now that we pay attention to it

* Iterate in batches

* Separate cancellable batch implementation to allow for multi-statement callbacks, add overload for single-statement use

* Use split-out utility in outer batching loop so it respects context cancellation

* guard against empty queries

* Use SQL parameters

* Use same approach for tags

* drop unused function

* Work around parameter limit on sqlite for large batches

* Bulk insert test data in DB

* Refactor test to customise test data creation

* Add test for catching SQLITE_MAX_VARIABLE_NUMBER limit

* Turn annotation cleanup test to integration tests

* lint

---------

Co-authored-by: Sofia Papagiannaki <1632407+papagian@users.noreply.github.com>
(cherry picked from commit 81c45bfe44)

* Fix interval, drop messages per backport

---------

Co-authored-by: Alexander Weaver <weaver.alex.d@gmail.com>
2024-01-16 15:39:11 -06:00
..