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From "nkeywal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3912) Detecting and avoiding stale datanodes for writing
Date Tue, 02 Oct 2012 17:01:07 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13467864#comment-13467864
] 

nkeywal commented on HDFS-3912:
-------------------------------

I like this approach, it's deterministic.
I had issues trying branch 1.1 on HBase 0.96. Some (hbase) unit tests were not working with
this branch. I was lacking time to understand why, but I will have a look again later (hopefully
it will get fixed by just waiting...)
                
> Detecting and avoiding stale datanodes for writing
> --------------------------------------------------
>
>                 Key: HDFS-3912
>                 URL: https://issues.apache.org/jira/browse/HDFS-3912
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Jing Zhao
>            Assignee: nkeywal
>         Attachments: HDFS-3912.001.patch, HDFS-3912.002.patch, HDFS-3912.003.patch, HDFS-3912.004.patch
>
>
> 1. Make stale timeout adaptive to the number of nodes marked stale in the cluster.
> 2. Consider having a separate configuration for write skipping the stale nodes.

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