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https://issues.apache.org/jira/browse/HDFS-3912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532457#comment-13532457
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Jeremy Carroll commented on HDFS-3912:
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FYI: This patch is missing the branch-2 patch. After applying HDFS-3703 for
branch-2, it's missing the DFS_NAMENODE_CHECK_STALE_DATANODE_DEFAULT settings,
etc..
> 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
> Affects Versions: 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Fix For: 1.2.0, 2.0.3-alpha
>
> Attachments: HDFS-3912.001.patch, HDFS-3912.002.patch,
> HDFS-3912.003.patch, HDFS-3912.004.patch, HDFS-3912.005.patch,
> HDFS-3912.006.patch, HDFS-3912.007.patch, HDFS-3912.008.patch,
> HDFS-3912.009.patch, HDFS-3912-010.patch, HDFS-3912-branch-1.1-001.patch,
> HDFS-3912-branch-1.patch, HDFS-3912.branch-1.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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