Chengbing Liu created YARN-6967:
-----------------------------------
Summary: Limit application attempt's diagnostic message size
thoroughly
Key: YARN-6967
URL: https://issues.apache.org/jira/browse/YARN-6967
Project: Hadoop YARN
Issue Type: Bug
Components: resourcemanager
Affects Versions: 2.8.1
Reporter: Chengbing Liu
Assignee: Chengbing Liu
YARN-6125 implemented {{BoundedAppender}} and applied to the field
{{diagnostics}} to limit the diagnostic message's size.
However, some code bypasses this limit. In
{{RMAppAttemptImpl.rememberTargetTransitionsAndStoreState(...)}}, a local
variable {{diags}} will finally be written into ZooKeeper if ZKRMStateStore is
used.
A simple fix is to also use {{BoundedAppender}} for the local variable.
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