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https://issues.apache.org/jira/browse/HBASE-14629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14963048#comment-14963048
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He Liangliang commented on HBASE-14629:
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Just can't figure out the reason. From our case, ignoring FNFE is dangerous and
it's disabled in production cluster. So avoiding FNFE is a helpful improvement.
+ [~jdcryans][~stack] any hints?
> Create replication zk node in postLogRoll instead of preLogRoll
> ---------------------------------------------------------------
>
> Key: HBASE-14629
> URL: https://issues.apache.org/jira/browse/HBASE-14629
> Project: HBase
> Issue Type: Improvement
> Components: Replication
> Reporter: He Liangliang
>
> Currently the hlog zk node is added before creating the log file, so it's
> possible to raise FileNotFoundException if the server crash between these tow
> operations. Move this step after file creating can avoid this exception (then
> FNFE will be certainly treated as an error). If there is an crash after log
> creation before creating the zk node, the log will be replayed and there
> should be no data loss either.
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