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Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/10/10 19:24:20 UTC
[jira] [Assigned] (HADOOP-13600) S3a rename() to copy files in a
directory in parallel
[ https://issues.apache.org/jira/browse/HADOOP-13600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steve Loughran reassigned HADOOP-13600:
---------------------------------------
Assignee: Steve Loughran
> S3a rename() to copy files in a directory in parallel
> -----------------------------------------------------
>
> Key: HADOOP-13600
> URL: https://issues.apache.org/jira/browse/HADOOP-13600
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.7.3
> Reporter: Steve Loughran
> Assignee: Steve Loughran
>
> Currently a directory rename does a one-by-one copy, making the request O(files * data). If the copy operations were launched in parallel, the duration of the copy may be reducable to the duration of the longest copy. For a directory with many files, this will be significant
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