diff options
Diffstat (limited to 'lib/gitlab/memory/watchdog/handlers/null_handler.rb')
-rw-r--r-- | lib/gitlab/memory/watchdog/handlers/null_handler.rb | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/lib/gitlab/memory/watchdog/handlers/null_handler.rb b/lib/gitlab/memory/watchdog/handlers/null_handler.rb new file mode 100644 index 00000000000..127001003ce --- /dev/null +++ b/lib/gitlab/memory/watchdog/handlers/null_handler.rb @@ -0,0 +1,24 @@ +# frozen_string_literal: true + +module Gitlab + module Memory + class Watchdog + module Handlers + # This handler does nothing. It returns `false` to indicate to the + # caller that the situation has not been dealt with so it will + # receive calls repeatedly if fragmentation remains high. + # + # This is useful for "dress rehearsals" in production since it allows + # us to observe how frequently the handler is invoked before taking action. + class NullHandler + include Singleton + + def call + # NOP + false + end + end + end + end + end +end |