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From "Duo Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16266) Do not throw ScannerTimeoutException when catch UnknownScannerException
Date Mon, 25 Jul 2016 01:37:20 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15391238#comment-15391238
] 

Duo Zhang commented on HBASE-16266:
-----------------------------------

This is not a big change so let's finish it. Will commit if no objections till this evening.

Thanks.

> Do not throw ScannerTimeoutException when catch UnknownScannerException
> -----------------------------------------------------------------------
>
>                 Key: HBASE-16266
>                 URL: https://issues.apache.org/jira/browse/HBASE-16266
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client, Scanners
>    Affects Versions: 1.1.5, 1.2.2
>            Reporter: Phil Yang
>            Assignee: Phil Yang
>         Attachments: HBASE-16266-v1.patch, HBASE-16266-v2.patch, HBASE-16266-v3.patch
>
>
> Now in scanner we have heartbeat to prevent timeout. The time blocked on ResultScanner.next()
may much longer than scanner timeout. So it is no need any more to throw  ScannerTimeoutException
when server throws UnknownScannerException, we can just reset the scanner like NotServingRegionException



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