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* Alerting: During legacy migration reduce the number of created silences During legacy migration every migrated rule was given a label rule_uid=<uid>. This was used to silence DatasourceError/DatasourceNoData alerts for migrated rules that had either ExecutionErrorState/NoDataState set to keep_state, respectively. This could potentially create a large amount of silences and a high cardinality label. Both of these scenarios have poor outcomes for CPU load and latency in unified alerting. Instead, this change creates one label per ExecutionErrorState/NoDataState when they are set to keep_state as well as two silence rules, if rules with said labels were created during migration. These silence rules are: - __legacy_silence_error_keep_state__ = true - __legacy_silence_nodata_keep_state__ = true This will drastically reduce the number of created silence rules in most cases as well as not create the potentially high cardinality label `rule_uid`. |
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| .. | ||
| admin_configuration_test.go | ||
| admin_configuration.go | ||
| alert_query_test.go | ||
| alert_query.go | ||
| alert_rule_test.go | ||
| alert_rule.go | ||
| alertmanager.go | ||
| constants.go | ||
| history.go | ||
| image_test.go | ||
| image.go | ||
| instance_labels.go | ||
| instance_test.go | ||
| instance.go | ||
| provisioning.go | ||
| testing.go | ||
| time.go | ||