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https://issues.apache.org/jira/browse/HADOOP-13600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16165997#comment-16165997
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ASF GitHub Bot commented on HADOOP-13600:
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Github user steveloughran commented on the issue:
https://github.com/apache/hadoop/pull/157
1. I don't see why this needs to be blocked waiting for all of the '13786
patch to go in
2. but the rename/throttling stuff: yes.
Parallel execution: we've got another transfer manager issuing COPY
requests, so more HTTPS requests to an S3 bucket/shard. The more requests to a
single shard, the likelier you are to hit failures. Now, I think the xfer
manager does handle the 503 replies which come back, but the rest of the FS
client doesn't
> 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: Sahil Takiar
> Attachments: HADOOP-13600.001.patch
>
>
> 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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