Todd Lipcon created HDFS-5287:
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Summary: JN need not validate finalized log segments in newEpoch
Key: HDFS-5287
URL: https://issues.apache.org/jira/browse/HDFS-5287
Project: Hadoop HDFS
Issue Type: Bug
Components: qjm
Affects Versions: 2.1.1-beta
Reporter: Todd Lipcon
Priority: Minor
In {{scanStorageForLatestEdits}}, the JN will call {{validateLog}} on the last
log segment, regardless of whether it is finalized. If it's finalized, then
this is a needless pass over the logs which can adversely affect failover time
for a graceful failover.
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