Yongjun Zhang created HDFS-6403:
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Summary: Add metrics for log warnings reported by HADOOP-9618
Key: HDFS-6403
URL: https://issues.apache.org/jira/browse/HDFS-6403
Project: Hadoop HDFS
Issue Type: Improvement
Components: datanode, namenode
Affects Versions: 2.4.0
Reporter: Yongjun Zhang
Assignee: Yongjun Zhang
HADOOP-9618 logs warnings when there are long GC pauses. If this is exposed as
a metric, then they can be monitored.
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