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https://issues.apache.org/jira/browse/HDFS-654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas updated HDFS-654:
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Attachment: hdfs-654.7.patch
New patch has the following additional changes:
# Made changes to fix the rename issue in HDFS-677. Before removing src and dst
during rename quota is verified. On any failure adding src and dst back is done
without checking for quota.
# RenameAspects.aj which interecepted the calls to FSDirectory.addChild() now
intercepts FSDirectory.addChildNoQuotaCheck(). Instead of checked
QuotaExceedsException, which cannot be thrown since addChildNoQuotaCheck() does
not throw exception, RuntimeException is thrown.
# Addressed the comment from Nicholas.
> HDFS needs to support new rename introduced for FileContext
> -----------------------------------------------------------
>
> Key: HDFS-654
> URL: https://issues.apache.org/jira/browse/HDFS-654
> Project: Hadoop HDFS
> Issue Type: New Feature
> Affects Versions: 0.21.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: 0.22.0
>
> Attachments: hdfs-654.1.patch, hdfs-654.2.patch, hdfs-654.3.patch,
> hdfs-654.5.patch, hdfs-654.5.patch, hdfs-654.7.patch, HDFS-654.patch
>
>
> New rename functionality with different semantics to overwrite the existing
> destination was introduced for use in FileContext. Currently the default
> implementation in FileSystem is not atomic. This change implements atomic
> rename operation for use by FileContext.
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