8000 Release memory when a deamon exits by jeff4747 · Pull Request #953 · nolar/kopf · GitHub
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Release memory when a deamon exits #953

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Merged
merged 3 commits into from
Feb 7, 2023
Merged

Release memory when a deamon exits #953

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9dd6b61
Release live-body memory when daemon exits
Aug 30, 2022
1598b65
Handle more than one daemon referencing an object
Aug 31, 2022
286b74e
Remove redundant 'if'
Nov 14, 2022
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14 changes: 14 additions & 0 deletions kopf/_core/engines/daemons.py
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Original file line number Diff line number Diff line change
Expand Up @@ -420,6 +420,20 @@ async def _runner(
if stopper.reason is None:
memory.forever_stopped.add(handler.id)

# If this daemon is never going to be called again, we can release the
# live_fresh_body to save some memory.
if handler.id in memory.forever_stopped:
# If any other running daemon is referencing this Kubernetes
# resource, we can't free it
can_free = True
this_daemon = daemons[handler.id]
for running_daemon in memory.running_daemons.values():
if running_daemon is not this_daemon:
can_free = False
break
if can_free:
memory.live_fresh_body = None

# Save the memory by not remembering the exited daemons (they may be never re-spawned).
del daemons[handler.id]

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