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Posted to issues@hbase.apache.org by "Amitanand Aiyer (JIRA)" <ji...@apache.org> on 2013/04/14 00:18:16 UTC

[jira] [Updated] (HBASE-7509) Enable RS to query a secondary datanode in parallel, if the primary takes too long

     [ https://issues.apache.org/jira/browse/HBASE-7509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amitanand Aiyer updated HBASE-7509:
-----------------------------------

    Attachment: quorumDiffs.tgz

The tar file contains the quorum reads related diffs for HBase.

The bulk of this work was done in the DFSClient/DFSInputStream in the HDFS code base.

On the hbase, there was very minor plumbing work to enable/control quorum reads without restarting the RS.

You can find the diffs in the 
/hdfs and /hbase dirs. Please apply the diffs as numbered.
                
> Enable RS to query a secondary datanode in parallel, if the primary takes too long
> ----------------------------------------------------------------------------------
>
>                 Key: HBASE-7509
>                 URL: https://issues.apache.org/jira/browse/HBASE-7509
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Amitanand Aiyer
>            Priority: Minor
>         Attachments: quorumDiffs.tgz
>
>


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