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https://issues.apache.org/jira/browse/HADOOP-11463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14276902#comment-14276902
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Steve Loughran commented on HADOOP-11463:
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Looks good, but one question:
Will the FS shutdown() operation block until transfers have finished? I've hit
problems in HDFS where the client blocks due to connection retries, so the a
client app blocks on a control-C-initiated shutdown —as that is when
{{FileSystem}} tries to shutdown all its instances.
> Replace method-local TransferManager object with S3AFileSystem#transfers
> ------------------------------------------------------------------------
>
> Key: HADOOP-11463
> URL: https://issues.apache.org/jira/browse/HADOOP-11463
> Project: Hadoop Common
> Issue Type: Task
> Reporter: Ted Yu
> Assignee: Ted Yu
> Attachments: hadoop-11463-001.patch
>
>
> This is continuation of HADOOP-11446.
> The following changes are made according to Thomas Demoor's comments:
> 1. Replace method-local TransferManager object with S3AFileSystem#transfers
> 2. Do not shutdown TransferManager after purging existing multipart file -
> otherwise the current transfer is unable to proceed
> 3. Shutdown TransferManager instance in the close method of S3AFileSystem
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