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From "Fengdong Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8211) Support for NN HA for 0.94
Date Sat, 30 Mar 2013 00:57:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13617931#comment-13617931
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Fengdong Yu commented on HBASE-8211:
------------------------------------

Himanshu,

I also reviewed the patch, but this just added reties, not support HDFS HA really.

Since during Namenode failover, FileSystem URI will be changed, but we always try using the
old "fs", I don't think this works well.

Another, for HDFS HA, fs.defaultFS can be configured as "hdfs://mycluster, does this patch
support "hbase.rootdir" configured "hdfs://mycluster/hbase ?


                
> Support for NN HA for 0.94
> --------------------------
>
>                 Key: HBASE-8211
>                 URL: https://issues.apache.org/jira/browse/HBASE-8211
>             Project: HBase
>          Issue Type: Bug
>          Components: master, regionserver
>    Affects Versions: 0.94.6
>            Reporter: Himanshu Vashishtha
>            Assignee: Himanshu Vashishtha
>             Fix For: 0.94.7
>
>         Attachments: HBase-8211-v1.patch
>
>
> HBase-8156 is for adding support for retrying non-idempotent operations. This is useful
in case NN is suffering from n/w hiccups, etc. This jira is to add similar support for 0.94.x
branch.

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