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https://issues.apache.org/jira/browse/HDFS-544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang updated HDFS-544:
-------------------------------
Release Note:
This issue changes the DataNode data directory layout to be
current
finalized // store finalized replicas
rbw // store RBW replicas
tmp // store Temporary replicas
HDFS layout version is changed to be -20.
was:
This issue changes the DataNode data directory layout to be
{nonformat}
current
finalized // store finalized replicas
rbw // store RBW replicas
tmp // store Temporary replicas
{nonformat}
HDFS layout version is changed to be -20.
Hadoop Flags: [Incompatible change, Reviewed] (was: [Reviewed])
> 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,
> datanodeOnDiskLayout2.patch
>
>
> Add a "rbw" sub directory to DataNode to persist RBW, RWR, and RUR replicas.
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