Xiaoyu Yao created HADOOP-13159:
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Summary: Fix potential NPE in Metrics2 source for RPC scheduler
Key: HADOOP-13159
URL: https://issues.apache.org/jira/browse/HADOOP-13159
Project: Hadoop Common
Issue Type: Bug
Components: ipc
Affects Versions: 2.8.0
Reporter: Xiaoyu Yao
Assignee: Xiaoyu Yao
HADOOP-12985 introduced a few metrics2 counters for DecayRpcScheduler. The
counters should be initialized before the updater thread is created/executed.
Otherwise, this is a chance of NPE if the updater thread get executed before
the counters are fully initialized. I will post a patch for it shortly.
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