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Send SIGSTP before SIGTERM to actually give Sidekiq jobs 30s to finish when the memory killer kicks in

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Douwe Maan
2017-10-31 10:33:30 +01:00
parent b8f5239f2b
commit ccb5bad6b8
3 changed files with 91 additions and 17 deletions
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4
doc/administration/operations/sidekiq_memory_killer.md
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@ -28,7 +28,7 @@ The MemoryKiller is controlled using environment variables.
delayed shutdown is triggered. The default value for Omnibus packages is set
[in the omnibus-gitlab
repository](https://gitlab.com/gitlab-org/omnibus-gitlab/blob/master/files/gitlab-cookbooks/gitlab/attributes/default.rb).
- `SIDEKIQ_MEMORY_KILLER_GRACE_TIME`: defaults 900 seconds (15 minutes). When
- `SIDEKIQ_MEMORY_KILLER_GRACE_TIME`: defaults to 900 seconds (15 minutes). When
a shutdown is triggered, the Sidekiq process will keep working normally for
another 15 minutes.
- `SIDEKIQ_MEMORY_KILLER_SHUTDOWN_WAIT`: defaults to 30 seconds. When the grace
@ -36,5 +36,3 @@ The MemoryKiller is controlled using environment variables.
Existing jobs get 30 seconds to finish. After that, the MemoryKiller tells
Sidekiq to shut down, and an external supervision mechanism (e.g. Runit) must
restart Sidekiq.
- `SIDEKIQ_MEMORY_KILLER_SHUTDOWN_SIGNAL`: defaults to `SIGKILL`. The name of
the final signal sent to the Sidekiq process when we want it to shut down.