1 files changed, 0 insertions, 53 deletions
diff --git a/lib/gitlab/sidekiq_middleware/memory_killer.rb b/lib/gitlab/sidekiq_middleware/memory_killer.rb
deleted file mode 100644
index 0f2db50e98c..00000000000
--- a/lib/gitlab/sidekiq_middleware/memory_killer.rb
+++ /dev/null
@@ -1,53 +0,0 @@
-module Gitlab
-  module SidekiqMiddleware
-    class MemoryKiller
-      # Default the RSS limit to 0, meaning the MemoryKiller is disabled
-      MAX_RSS = (ENV['SIDEKIQ_MEMORY_KILLER_MAX_RSS'] || 0).to_s.to_i
-      # Give Sidekiq 15 minutes of grace time after exceeding the RSS limit
-      GRACE_TIME = (ENV['SIDEKIQ_MEMORY_KILLER_GRACE_TIME'] || 15 * 60).to_s.to_i
-      # Wait 30 seconds for running jobs to finish during graceful shutdown
-      SHUTDOWN_WAIT = (ENV['SIDEKIQ_MEMORY_KILLER_SHUTDOWN_WAIT'] || 30).to_s.to_i
-
-      # Create a mutex used to ensure there will be only one thread waiting to
-      # shut Sidekiq down
-      MUTEX = Mutex.new
-
-      def call(worker, job, queue)
-        yield
-        current_rss = get_rss
-
-        return unless MAX_RSS > 0 && current_rss > MAX_RSS
-
-        Thread.new do
-          # Return if another thread is already waiting to shut Sidekiq down
-          return unless MUTEX.try_lock
-
-          Sidekiq.logger.warn "current RSS #{current_rss} exceeds maximum RSS "\
-            "#{MAX_RSS}"
-          Sidekiq.logger.warn "spawned thread that will shut down PID "\
-            "#{Process.pid} in #{GRACE_TIME} seconds"
-          sleep(GRACE_TIME)
-
-          Sidekiq.logger.warn "sending SIGUSR1 to PID #{Process.pid}"
-          Process.kill('SIGUSR1', Process.pid)
-
-          Sidekiq.logger.warn "waiting #{SHUTDOWN_WAIT} seconds before sending "\
-            "SIGTERM to PID #{Process.pid}"
-          sleep(SHUTDOWN_WAIT)
-
-          Sidekiq.logger.warn "sending SIGTERM to PID #{Process.pid}"
-          Process.kill('SIGTERM', Process.pid)
-        end
-      end
-
-      private
-
-      def get_rss
-        output, status = Gitlab::Popen.popen(%W(ps -o rss= -p #{Process.pid}))
-        return 0 unless status.zero?
-
-        output.to_i
-      end
-    end
-  end
-end