lei w created HDFS-16083:
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Summary: Forbid Observer NameNode trigger active namenode log roll
Key: HDFS-16083
URL: https://issues.apache.org/jira/browse/HDFS-16083
Project: Hadoop HDFS
Issue Type: Improvement
Components: namanode
Reporter: lei w
When the Observer NameNode is turned on in the cluster, the Active NameNode
will receive rollEditLog RPC requests from the Standby NameNode and Observer
NameNode in a short time. Observer NameNode's rollEditLog request is a
repetitive operation, so should we prohibit Observer NameNode from triggering
rollEditLog?
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