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https://issues.apache.org/jira/browse/HDFS-1547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12973422#action_12973422
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Suresh Srinivas commented on HDFS-1547:
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The way the files are named is confusing. With names such as include and
exclude, one would think they are mutually exclusive.
include file is a list of datanodes in the cluster. Some of the nodes that have
problems (access over ssh is not possible) etc. are excluded from by adding it
to exclude list. See HADOOP-442 for details. Naming include file to another
name, say datanodes and not the opposite of exclude would have reduced
confusion.
> Improve decommission mechanism
> ------------------------------
>
> Key: HDFS-1547
> URL: https://issues.apache.org/jira/browse/HDFS-1547
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.23.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: 0.23.0
>
>
> Current decommission mechanism driven using exclude file has several issues.
> This bug proposes some changes in the mechanism for better manageability. See
> the proposal in the next comment for more details.
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