You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@hbase.apache.org by "huaxiang sun (JIRA)" <ji...@apache.org> on 2016/10/17 23:52:58 UTC
[jira] [Updated] (HBASE-16345)
RpcRetryingCallerWithReadReplicas#call() should catch some RegionServer
Exceptions
[ https://issues.apache.org/jira/browse/HBASE-16345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
huaxiang sun updated HBASE-16345:
---------------------------------
Attachment: HBASE-16345.branch-1.001.patch
> RpcRetryingCallerWithReadReplicas#call() should catch some RegionServer Exceptions
> ----------------------------------------------------------------------------------
>
> Key: HBASE-16345
> URL: https://issues.apache.org/jira/browse/HBASE-16345
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 2.0.0
> Reporter: huaxiang sun
> Assignee: huaxiang sun
> Attachments: HBASE-16345-v001.patch, HBASE-16345.branch-1.001.patch, HBASE-16345.master.001.patch, HBASE-16345.master.002.patch, HBASE-16345.master.003.patch, HBASE-16345.master.004.patch, HBASE-16345.master.005.patch, HBASE-16345.master.005.patch
>
>
> Update for the description. Debugged more at this front based on the comments from Enis.
> The cause is that for the primary replica, if its retry is exhausted too fast, f.get() [1] returns ExecutionException. This Exception needs to be ignored and continue with the replicas.
> The other issue is that after adding calls for the replicas, if the first completed task gets ExecutionException (due to the retry exhausted), it throws the exception to the client[2].
> In this case, it needs to loop through these tasks, waiting for the success one. If no one succeeds, throw exception.
> Similar for the scan as well
> [1] https://github.com/apache/hbase/blob/master/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.java#L197
> [2] https://github.com/apache/hbase/blob/master/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.java#L219
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)