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Siavash Safi a89c665f47 feat(notifier): independent alertmanager sendloops (#16355) ... * notifier: unit test for dropping throughput on stuck AM Ref: https://github.com/prometheus/prometheus/issues/7676 Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com> Signed-off-by: Siavash Safi <siavash@cloudflare.com> * chore(notifier): remove year from copyrights Signed-off-by: Siavash Safi <siavash@cloudflare.com> * feat(notifier): independent alertmanager sendloops Independent Alertmanager sendloops avoid issues with queue overflowing when one or more Alertmanager instances are unavailable which could result in lost alert notifications. The sendloops are managed per AlertmanagerSet which are dynamically added/removed with service discovery or configuration reload. The following metrics now include an extra dimention for alertmanager label: - prometheus_notifications_dropped_total - prometheus_notifications_queue_capacity - prometheus_notifications_queue_length This change also includes the test from #14099 Closes #7676 Signed-off-by: machine424 <ayoubmrini424@gmail.com> Signed-off-by: Siavash Safi <siavash@cloudflare.com> --------- Signed-off-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com> Signed-off-by: Siavash Safi <siavash@cloudflare.com> Signed-off-by: machine424 <ayoubmrini424@gmail.com> Co-authored-by: György Krajcsovits <gyorgy.krajcsovits@grafana.com>		4 weeks ago
..
alert.go	Remove copyright date from headers (#17785)	1 month ago
alertmanager.go	Remove copyright date from headers (#17785)	1 month ago
alertmanager_test.go	feat(notifier): independent alertmanager sendloops (#16355)	4 weeks ago
alertmanagerset.go	feat(notifier): independent alertmanager sendloops (#16355)	4 weeks ago
manager.go	feat(notifier): independent alertmanager sendloops (#16355)	4 weeks ago
manager_test.go	feat(notifier): independent alertmanager sendloops (#16355)	4 weeks ago
metric.go	feat(notifier): independent alertmanager sendloops (#16355)	4 weeks ago
sendloop.go	feat(notifier): independent alertmanager sendloops (#16355)	4 weeks ago
sendloop_test.go	feat(notifier): independent alertmanager sendloops (#16355)	4 weeks ago
util.go	Remove copyright date from headers (#17785)	1 month ago
util_test.go	feat(notifier): independent alertmanager sendloops (#16355)	4 weeks ago