What did you do?
Hello, after upgrade AM from 0.28.1 to 0.32.0 we started to have a memory leak.
What did you expect to see?
No memory leak
What did you see instead? Under which circumstances?
Increasing memory usage and OOM Killed pod
System information
Linux 6.6.105+ x86_64
Alertmanager version
/alertmanager $ alertmanager --version
alertmanager, version 0.32.0 (branch: HEAD, revision: 685a2a1c6bb01b2c17bc1bfae995cb3416c1115e)
build user: root@e5ae55633a39
build date: 20260408-18:08:22
go version: go1.26.2
platform: linux/amd64
tags: netgo
Alertmanager configuration file
Prometheus version
Prometheus configuration file
Logs
What did you do?
Hello, after upgrade AM from 0.28.1 to 0.32.0 we started to have a memory leak.
What did you expect to see?
No memory leak
What did you see instead? Under which circumstances?
Increasing memory usage and OOM Killed pod
System information
Linux 6.6.105+ x86_64
Alertmanager version
Alertmanager configuration file
Prometheus version
Prometheus configuration file
Logs