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https://issues.apache.org/jira/browse/HBASE-17127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15677805#comment-15677805
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stack commented on HBASE-17127:
-------------------------------
+1
> Locate region should fail fast if underlying Connection already closed
> ----------------------------------------------------------------------
>
> Key: HBASE-17127
> URL: https://issues.apache.org/jira/browse/HBASE-17127
> Project: HBase
> Issue Type: Bug
> Reporter: Yu Li
> Assignee: Yu Li
> Attachments: HBASE-17127.patch
>
>
> Currently if try to locate region when underlying connection is closed, we
> will retry and wait at least 10s for each round until exhausted (refer to the
> catch clause of {{RpcRetryingCallerImpl#callWithRetries}} and
> {{RegionServerCallable#sleep}} for more details), which is unnecessary and
> time-costing.
> The issue is caused by user incorrectly manipulating connection, which shows
> the disadvantage of force user to handle connection life cycle and proves the
> necessity to support auto-managed connection as we did before, as indicated
> in HBASE-17009
> In this JIRA we will make it fail fast in the above case.
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