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https://issues.apache.org/jira/browse/HDFS-3912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13473246#comment-13473246
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nkeywal commented on HDFS-3912:
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Hi,
I'm ok with the new logic for the warning, 3 times the heartbeat is a quite
common rule. I would like to test the patch on branch 1.1, it defers quite a
lot from branch 3.0 regarding to block placement policy and so on. Jing, do you
want to do the port? If you don't have time I will do it. I've already tested
HBase trunk with branch 1.1 without the patch, it works (but with write errors
as it is sent on the dead box).
Thanks!
Nicolas
> 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
> 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
>
>
> 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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