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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-816) TableMap should survive USE
Date Mon, 11 Aug 2008 17:44:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12621517#action_12621517

Andrew Purtell commented on HBASE-816:

Correct. One retry. 

I could make a patch for multiple retries, but one USE is an occasional irritant that I think
can be handled and hidden from the user while multiple USE is more like a configuration or
map implementation problem that should be exposed. 

> TableMap should survive USE
> ---------------------------
>                 Key: HBASE-816
>                 URL: https://issues.apache.org/jira/browse/HBASE-816
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.2.0
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>         Attachments: 816.patch, 816.v2.patch
> If work in a TableMap task exceeds the client lease time, the task will fail with an
UnknownScannerException. TableInputFormatBase should handle this by restarting with a new
scanner from the last key seen. 

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