Janus Chow created HDFS-15616:
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Summary: [SBN] Disable trigger edit Log Roll for Observers
Key: HDFS-15616
URL: https://issues.apache.org/jira/browse/HDFS-15616
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Janus Chow
Currently when Observer is transitioned from StandbyState, the editLogTailer
will still send the request to roll editLog to ActiveNN, which should be
disabled to keep the definition of "
logRollPeriodMs" clear.
One thing I'm not sure is for a cluster with multi standby Namenode, all the
standby NN will trigger the roll. Should this feature be extended to all
standby NNs or implementing on observers first?
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