yanghuafeng created HDFS-14613:
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Summary: BlockManagerSafeMode should avoid to check datanode
thresholds with default zero value.
Key: HDFS-14613
URL: https://issues.apache.org/jira/browse/HDFS-14613
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Reporter: yanghuafeng
Assignee: yanghuafeng
In Safemode, when namenoe process block reports, the BlockManagerSafeMode
check the live datanode thresholds.In our cluster, this threshold use default
zero value. According to previous version, it is not essential to get num of
live datanodes. And it is very time-consuming when processing every reported
block.
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