Prior to this change, all alert instance writes and deletes happened
individually, in their own database transaction. This change batches up
writes or deletes for a given rule's evaluation loop into a single
transaction before applying it.
Before:
```
goos: darwin
goarch: arm64
pkg: github.com/grafana/grafana/pkg/services/ngalert/store
BenchmarkAlertInstanceOperations-8 398 2991381 ns/op 1133537 B/op 27703 allocs/op
--- BENCH: BenchmarkAlertInstanceOperations-8
util.go:127: alert definition: {orgID: 1, UID: FovKXiRVzm} with title: "an alert definition FTvFXmRVkz" interval: 60 created
util.go:127: alert definition: {orgID: 1, UID: foDFXmRVkm} with title: "an alert definition fovFXmRVkz" interval: 60 created
util.go:127: alert definition: {orgID: 1, UID: VQvFuigVkm} with title: "an alert definition VwDKXmR4kz" interval: 60 created
PASS
ok github.com/grafana/grafana/pkg/services/ngalert/store 1.619s
```
After:
```
goos: darwin
goarch: arm64
pkg: github.com/grafana/grafana/pkg/services/ngalert/store
BenchmarkAlertInstanceOperations-8 1440 816484 ns/op 352297 B/op 6529 allocs/op
--- BENCH: BenchmarkAlertInstanceOperations-8
util.go:127: alert definition: {orgID: 1, UID: 302r_igVzm} with title: "an alert definition q0h9lmR4zz" interval: 60 created
util.go:127: alert definition: {orgID: 1, UID: 71hrlmR4km} with title: "an alert definition nJ29_mR4zz" interval: 60 created
util.go:127: alert definition: {orgID: 1, UID: Cahr_mR4zm} with title: "an alert definition ja2rlmg4zz" interval: 60 created
PASS
ok github.com/grafana/grafana/pkg/services/ngalert/store 1.383s
```
So we cut time by about 75% and memory allocations by about 60% when
storing and deleting 100 instances.
This change also updates some of our tests so that they run successfully against postgreSQL - we were using random Int64s, but postgres integers, which our tables use, max out at 2^31-1
* Revert "Add FocusScope to PanelEditor when open in the Dashboard Page so that a11y focus never catches invisible content. (#54400)"
This reverts commit ef32050508.
* Betterer <3
* Detect spansets and improve autocomplete
* Better situation detection. Autocomplete scopes
* Remove scopes from tag name to get autocomplete
* Stronger regexes. More autocomplete tests
* Split big regex in smaller regexes
* Fix autocomplete when writing a string value with spaces
* Added test for the space inside string value autocomplete case
* Syntax highlight fix when using >< operators
* Update GetAlertRulesForScheduling to query for folders (if needed)
* Update scheduler's alertRulesRegistry to cache folder titles along with rules
* Update rule eval loop to take folder title from the
* Extract interface RuleStore
* Pre-fetch the rule keys with the version to detect changes, and query the full table only if there are changes.
* Toggle on the mixed mode option
* Ensure switching to mixed gives existing query prev datasource
* WIP - Populate datasource when switching between mixed and not
* WIP - handle change from mixed
* Remove preimport filter, refine filter to work for queries
* WIP debugging datasource transition
* Ensure creating a new query gets target data source if switching with no matches between
* Add mixed datasource to rich history display
* Cleanup console logs, add relevant comments
* Add feature toggle for mixed datasource
* Fix Wrapper tests
* Fix tests!
* Fix test types and add feature tracking
* Remove unnecessary default, remove explore/mixed workarounds for D2E
* Move display text logic to mixed datasource file
* Add in the default query parameters to a generated empty query
* Condense some code
* Apply suggestions from code review
Co-authored-by: Giordano Ricci <me@giordanoricci.com>
* Add more logic around mixed datasource being off for explore
* Build out logic to handle different datasource scenarios
* Add tests
* Finalize last test
* Fix mixed URL with mixed ds off, and relevant test
* Fix datasource to explore workflow
* Add datasource change function, call import queries if needed
* add logic for changing single query ds
Co-authored-by: Giordano Ricci <me@giordanoricci.com>
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