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Posted to hdfs-dev@hadoop.apache.org by "Jing Zhao (JIRA)" <ji...@apache.org> on 2013/07/24 00:12:49 UTC

[jira] [Created] (HDFS-5025) Record ClientId and CalldId in EditLog to enable rebuilding retry cache in case of HA failover

Jing Zhao created HDFS-5025:
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             Summary: Record ClientId and CalldId in EditLog to enable rebuilding retry cache in case of HA failover
                 Key: HDFS-5025
                 URL: https://issues.apache.org/jira/browse/HDFS-5025
             Project: Hadoop HDFS
          Issue Type: Sub-task
    Affects Versions: 3.0.0
            Reporter: Jing Zhao
            Assignee: Jing Zhao


In case of HA failover, we need to be able to rebuild the retry cache in the other Namenode. We thus need to record client id and call id in the edit log for those "AtMostOnce" operations.

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