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-rw-r--r--doc/operations/sidekiq_memory_killer.md2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/operations/sidekiq_memory_killer.md b/doc/operations/sidekiq_memory_killer.md
index 867b01b0d5a..811c2192a19 100644
--- a/doc/operations/sidekiq_memory_killer.md
+++ b/doc/operations/sidekiq_memory_killer.md
@@ -36,3 +36,5 @@ 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 'SIGTERM'. The name of
+ the final signal sent to the Sidekiq process when we want it to shut down.