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From "Victor Igumnov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7106) Retry multiple times before giving up on fetching splits
Date Tue, 29 Apr 2014 04:57:14 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Victor Igumnov updated CASSANDRA-7106:
--------------------------------------

    Attachment: retries-fix-iterator-bug.patch

> Retry multiple times before giving up on fetching splits
> --------------------------------------------------------
>
>                 Key: CASSANDRA-7106
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7106
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Hadoop
>            Reporter: Victor Igumnov
>            Priority: Minor
>             Fix For: 2.1 beta1
>
>         Attachments: retries-fix-iterator-bug.patch, retries-reworked.patch, retry-splits.patch
>
>
> See Github for patch:
> https://github.com/victori/cassandra
> What the patch does:
> While I was evaluating Shark/Hive for analyzing Cassandra's data, I could not get any
of the queries to return reliably. Looking further into the issue I noticed that if just a
single fetch for a split fails the whole job is aborted. So instead of giving up and failing
out the whole job, retry fetching the data a few times before completely giving up.  



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