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Posted to dev@accumulo.apache.org by "John Vines (Updated) (JIRA)" <ji...@apache.org> on 2011/11/01 19:37:32 UTC
[jira] [Updated] (ACCUMULO-7) tablet is both assigned and hosted

     [ https://issues.apache.org/jira/browse/ACCUMULO-7?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

John Vines updated ACCUMULO-7:
------------------------------

          Description: 
At startup, the master did not successfully complete its scan of tablet servers in zookeeper because of an I/O error communicating with a tablet server.  This caused the master to assume online tablet servers were offline.  This led to multiple tablet assignment.  Need to make the zookeeper scan of tablet servers more robust.

At this point some work has been done for some of the ill effects. scanServers needs to be adjusted to handle exceptions instead of just catching them and logging.

  was:At startup, the master did not successfully complete its scan of tablet servers in zookeeper because of an I/O error communicating with a tablet server.  This caused the master to assume online tablet servers were offline.  This led to multiple tablet assignment.  Need to make the zookeeper scan of tablet servers more robust.

    Affects Version/s:     (was: 1.3.5)
                       1.5.0
        Fix Version/s:     (was: 1.3.5)
                           (was: 1.4.0)
                       1.5.0
    
> tablet is both assigned and hosted
> ----------------------------------
>
>                 Key: ACCUMULO-7
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-7
>             Project: Accumulo
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 1.4.0, 1.5.0
>            Reporter: Keith Turner
>            Priority: Critical
>             Fix For: 1.5.0
>
>
> At startup, the master did not successfully complete its scan of tablet servers in zookeeper because of an I/O error communicating with a tablet server.  This caused the master to assume online tablet servers were offline.  This led to multiple tablet assignment.  Need to make the zookeeper scan of tablet servers more robust.
> At this point some work has been done for some of the ill effects. scanServers needs to be adjusted to handle exceptions instead of just catching them and logging.

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