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https://issues.apache.org/jira/browse/HDFS-17300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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liuguanghua updated HDFS-17300:
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Description:
Now when Observer NN is used, if the stateid is delayed , the
rpcServer will be requeued into callqueue. If EditLogTailer is broken or
something else wrong , the call will be requeued again and again.
So Observer should throw ObserverRetryOnActiveException if stateid is
always delayed with Active Namenode for a configured time.
was:
Now when Observer NN is used, if the stateid is delayed , the rpcServer will
be requeued into callqueue.
If EditLogTailer is broken or something else wrong , the call will be requeued
again and again.
So
> [SBN READ] Observer should throw ObserverRetryOnActiveException if stateid is
> always delayed with Active Namenode for a period of time
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-17300
> URL: https://issues.apache.org/jira/browse/HDFS-17300
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: liuguanghua
> Priority: Major
>
> Now when Observer NN is used, if the stateid is delayed , the
> rpcServer will be requeued into callqueue. If EditLogTailer is broken or
> something else wrong , the call will be requeued again and again.
> So Observer should throw ObserverRetryOnActiveException if stateid is
> always delayed with Active Namenode for a configured time.
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