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-rw-r--r--changelogs/unreleased/more-pgroup-fix.yml5
-rw-r--r--lib/gitlab/sidekiq_middleware/memory_killer.rb2
-rw-r--r--spec/lib/gitlab/sidekiq_middleware/memory_killer_spec.rb2
3 files changed, 7 insertions, 2 deletions
diff --git a/changelogs/unreleased/more-pgroup-fix.yml b/changelogs/unreleased/more-pgroup-fix.yml
new file mode 100644
index 00000000000..6e85205ccba
--- /dev/null
+++ b/changelogs/unreleased/more-pgroup-fix.yml
@@ -0,0 +1,5 @@
+---
+title: Fix the last-ditch memory killer pgroup SIGKILL
+merge_request: 25940
+author:
+type: fixed
diff --git a/lib/gitlab/sidekiq_middleware/memory_killer.rb b/lib/gitlab/sidekiq_middleware/memory_killer.rb
index ed2c7ee9a2d..671d795ec33 100644
--- a/lib/gitlab/sidekiq_middleware/memory_killer.rb
+++ b/lib/gitlab/sidekiq_middleware/memory_killer.rb
@@ -63,7 +63,7 @@ module Gitlab
sleep(time)
Sidekiq.logger.warn "sending Sidekiq worker PGRP-#{pid} #{signal} (#{explanation})"
- Process.kill(signal, "-#{pid}")
+ Process.kill(signal, 0)
end
def wait_and_signal(time, signal, explanation)
diff --git a/spec/lib/gitlab/sidekiq_middleware/memory_killer_spec.rb b/spec/lib/gitlab/sidekiq_middleware/memory_killer_spec.rb
index ff8c0825ee4..1a5a38b5d99 100644
--- a/spec/lib/gitlab/sidekiq_middleware/memory_killer_spec.rb
+++ b/spec/lib/gitlab/sidekiq_middleware/memory_killer_spec.rb
@@ -54,7 +54,7 @@ describe Gitlab::SidekiqMiddleware::MemoryKiller do
expect(Process).to receive(:kill).with('SIGTSTP', pid).ordered
expect(Process).to receive(:kill).with('SIGTERM', pid).ordered
- expect(Process).to receive(:kill).with('SIGKILL', "-#{pid}").ordered
+ expect(Process).to receive(:kill).with('SIGKILL', 0).ordered
run
end