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https://issues.apache.org/jira/browse/HBASE-12266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14172405#comment-14172405
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James Estes commented on HBASE-12266:
-------------------------------------
This is a very similar issue. The fix in HBASE-7070 doesn't work in the case
where a very selective scan hits a large region, and an rpc call times out. The
'retryAfterOutOfOrderException' flag fix assumes that only one rpc call is
causing trouble (because it is reset on the next successful rpc). In my case,
after the scanner is reset, several rpc calls succeed (they get a small amount
of data), and the 4th or 5th rpc call hits an rpcTimeout due to hitting large
region section and it is a highly selective scan.
> Slow Scan can cause dead loop in ClientScanner
> -----------------------------------------------
>
> Key: HBASE-12266
> URL: https://issues.apache.org/jira/browse/HBASE-12266
> Project: HBase
> Issue Type: Bug
> Components: Scanners
> Affects Versions: 0.96.0
> Reporter: Qiang Tian
> Priority: Minor
> Attachments: HBASE-12266-master.patch
>
>
> see http://search-hadoop.com/m/DHED45SVsC1.
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