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https://issues.apache.org/jira/browse/HDFS-8626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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kanaka kumar avvaru updated HDFS-8626:
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Attachment: HDFS-8626-03.patch
> Reserved RBW space is not released if creation of RBW File fails
> ----------------------------------------------------------------
>
> Key: HDFS-8626
> URL: https://issues.apache.org/jira/browse/HDFS-8626
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: kanaka kumar avvaru
> Assignee: kanaka kumar avvaru
> Priority: Blocker
> Attachments: HDFS-8626-01.patch, HDFS-8626-02.patch,
> HDFS-8626-03.patch
>
>
> The DataNode reserves disk space for a full block when creating an RBW block
> and will release the space when the block is finalized (introduced in
> HDFS-6898)
> But if the RBW file creation fails, the reserved space is not released back.
> In a scenario, when the data node disk is full it causes no space left
> {{IOException}}. Eventually even if the disk got cleaned, the reserved space
> is not release until the Data Node is restarted
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