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https://issues.apache.org/jira/browse/HDFS-6955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14739306#comment-14739306
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Vinayakumar B commented on HDFS-6955:
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bq. Hi Vinayakumar B, good point. Perhaps we can just document that the metric
tracks space reserved for both RBW and tmp replicas. A single counter would be
easier to maintain.
You mean, no need to rename the reservedForRbw counter to reserved space?
just use for tmp files too as is?
> DN should reserve disk space for a full block when creating tmp files
> ---------------------------------------------------------------------
>
> Key: HDFS-6955
> URL: https://issues.apache.org/jira/browse/HDFS-6955
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.5.0
> Reporter: Arpit Agarwal
> Assignee: Kanaka Kumar Avvaru
> Attachments: HDFS-6955-01.patch, HDFS-6955-02.patch,
> HDFS-6955-03.patch, HDFS-6955-04.patch, HDFS-6955-05.patch, HDFS-6955-06.patch
>
>
> HDFS-6898 is introducing disk space reservation for RBW files to avoid
> running out of disk space midway through block creation.
> This Jira is to introduce similar reservation for tmp files.
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