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https://issues.apache.org/jira/browse/HDFS-544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12746322#action_12746322
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Konstantin Shvachko commented on HDFS-544:
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# In DataStorage.linkAllBlocks() you commented our the {{toDir.mkdir()}} part.
You probably wanted to remove it.
# I would avoid all spelling, formatting, commenting, empty line changes,
because they will make merging hard.
# Don't think introducing {{FINALIZED_DIR_NAME}} in {{MiniDFSCluster}} is a
good idea. It is better than what we have now - a plain string {{current}}.
{{DataStorage}} is a public class, we should rather add a public static method
to it {{getFinalizedDirectoryName()}}. Then "finalized" will defined only in
one place.
> Add a "rbw" sub directory to DataNode data directory
> ----------------------------------------------------
>
> Key: HDFS-544
> URL: https://issues.apache.org/jira/browse/HDFS-544
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: data-node
> Affects Versions: Append Branch
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: Append Branch
>
> Attachments: datanodeOnDiskLayout.patch, datanodeOnDiskLayout1.patch
>
>
> Add a "rbw" sub directory to DataNode to persist RBW, RWR, and RUR replicas.
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