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Date: Sat, 22 Sep 2012 07:57:07 +1100 (NCT)
From: "nkeywal (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-3912) Detecting and avoiding stale
 datanodes for writing
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    [ https://issues.apache.org/jira/browse/HDFS-3912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460811#comment-13460811 ] 

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

Hi Jing,

Are you working on it currently? I would like to try HDFS-3703 branch 1.1 on HBase, but I need as well the write path: without most of the time is spent on the write errors...

Thanks!
                
> 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: Jing Zhao
>
> 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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