Peter Bacsko created YUNIKORN-2319:
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Summary: Memory leak in cache.Task: reference to old pod object is
kept after update
Key: YUNIKORN-2319
URL: https://issues.apache.org/jira/browse/YUNIKORN-2319
Project: Apache YuniKorn
Issue Type: Bug
Components: shim - kubernetes
Reporter: Peter Bacsko
Assignee: Peter Bacsko
Attachments: 2024-01-09 134112.png, 2024-01-09 134130.png
There is a memory leak in the shim: when the pod is updated, the old pod object
is still referenced from Task, so the GC has no chance to remove it.
See screenshot: task points to version 80199, scheduler cache already has a
newer version 81216.
We have two solutions:
1. Update the object in the Task together with the scheduler cache
2. Don't store the pointer to the pod, instead, always retrieve it from the
scheduler cache
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