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From "Keith Turner (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ACCUMULO-705) Batch Scanner needs timeout
Date Wed, 08 Aug 2012 20:14:21 GMT

     [ https://issues.apache.org/jira/browse/ACCUMULO-705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Keith Turner resolved ACCUMULO-705.
-----------------------------------

    Resolution: Fixed
    
> Batch Scanner needs timeout
> ---------------------------
>
>                 Key: ACCUMULO-705
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-705
>             Project: Accumulo
>          Issue Type: New Feature
>          Components: client
>            Reporter: Keith Turner
>            Assignee: Keith Turner
>             Fix For: 1.5.0
>
>
> The batch scanner needs a user configurable time out.  When the batch scanner is used
to query lots of tablet in parallel, if one tablet or tablet server is unavailable for some
reason it will cause the scan to hang indefinitely.  Users need more control over this behavior.
> It seems like the batch scanner could behave in one of the following ways : 
>   * Read as much data as possible, then throw an exception when a tablet or tablet server
has timed out
>   * Throw an exception as soon as a tablet or tablet server times out, even if data could
still be read from other tablets successfully.
> The timeout can default to max long to preserve the current behavior.
>   

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