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https://issues.apache.org/jira/browse/HADOOP-13560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15569842#comment-15569842
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Chris Nauroth commented on HADOOP-13560:
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The trunk patch looks good to me. I have tested successfully against us-west-2.
However, I just noticed that after I apply the branch-2 patch and build the
distro, every {{hadoop fs}} command accessing S3A prints a deprecation warning:
{code}
16/10/12 13:48:53 INFO Configuration.deprecation: Unsupported option
"fs.s3a.threads.core" will be ignored
{code}
I think that's because the patch added the {{DeprecationDelta}}, but
{{S3AFileSystem#initialize}} still has code that tries to access
{{fs.s3a.threads.core}}.
> S3ABlockOutputStream to support huge (many GB) file writes
> ----------------------------------------------------------
>
> Key: HADOOP-13560
> URL: https://issues.apache.org/jira/browse/HADOOP-13560
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3
> Affects Versions: 2.9.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Attachments: HADOOP-13560-branch-2-001.patch,
> HADOOP-13560-branch-2-002.patch, HADOOP-13560-branch-2-003.patch,
> HADOOP-13560-branch-2-004.patch
>
>
> An AWS SDK [issue|https://github.com/aws/aws-sdk-java/issues/367] highlights
> that metadata isn't copied on large copies.
> 1. Add a test to do that large copy/rname and verify that the copy really
> works
> 2. Verify that metadata makes it over.
> Verifying large file rename is important on its own, as it is needed for very
> large commit operations for committers using rename
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