Junping Du created YARN-5748:
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Summary: Backport YARN-5718 to branch-2
Key: YARN-5748
URL: https://issues.apache.org/jira/browse/YARN-5748
Project: Hadoop YARN
Issue Type: Bug
Reporter: Junping Du
Assignee: Junping Du
In YARN-5718, we have identify several unnecessary config to over-write HDFS
client behavior in several components of YARN (FSRMStore, TimelineClient,
NodeLabelStore, etc.) which cause job failure in some cases (NN HA, etc.) -
that's definitely belongs to bug. In YARN-5718, we proposed to remove the
config as it shouldn't be supposed to work, which get committed to trunk
already as alpha stage has more flexibility for incompatible changes. In
branch-2, we want to play a bit more safe and get more discussion.
Obviously, there are several options here:
1. Don't fix anything, let bug exist
2. Fix the bug, but keep the configuration, or mark it deprecated and add some
explanation to say this configuration is not supposed to work any more.
3. Exactly like YARN-5718, fix the bug and remove the unnecessary configuration.
This ticket is filed for more discussion.
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