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https://issues.apache.org/jira/browse/HADOOP-12057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263341#comment-15263341
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Chen He commented on HADOOP-12057:
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It automatically skips "unit tests" if the auth-keys.xml is not configured.
> swiftfs rename on partitioned file attempts to consolidate partitions
> ---------------------------------------------------------------------
>
> Key: HADOOP-12057
> URL: https://issues.apache.org/jira/browse/HADOOP-12057
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/swift
> Reporter: David Dobbins
> Assignee: David Dobbins
> Attachments: HADOOP-12057-006.patch, HADOOP-12057-008.patch,
> HADOOP-12057.007.patch, HADOOP-12057.patch, HADOOP-12057.patch,
> HADOOP-12057.patch, HADOOP-12057.patch, HADOOP-12057.patch
>
>
> In the swift filesystem for openstack, a rename operation on a partitioned
> file uses the swift COPY operation, which attempts to consolidate all of the
> partitions into a single object. This causes the rename to fail when the
> total size of all the partitions exceeds the maximum object size for swift.
> Since partitioned files are primarily created to allow a file to exceed the
> maximum object size, this bug makes writing to swift extremely unreliable.
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