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https://issues.apache.org/jira/browse/HADOOP-6916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12918729#action_12918729
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Eli Collins commented on HADOOP-6916:
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Hey Oleg,
* Doesn't pos and filePos need to be updated when opening for append?
* Doesn't S3OutputStream#setBlocks need to be synchronized? Why does it copy
the blocks?
* Make sure the unit tests exercise calling close after append.
* Have you tested this on S3? eg by setting test.fs.s3.name in
src/test/core-site.xml?
Hudson currently running, please use ant test-patch from an svn checkout.
Thanks,
Eli
> Implement append operation for S3FileSystem
> -------------------------------------------
>
> Key: HADOOP-6916
> URL: https://issues.apache.org/jira/browse/HADOOP-6916
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs/s3
> Affects Versions: 0.20.2, 0.22.0
> Reporter: Oleg Aleshko
> Priority: Minor
> Fix For: 0.22.0
>
> Attachments: s3_append1.patch
>
>
> Currently org.apache.hadoop.fs.s3.S3FileSystem#append throws an
> IOException("Not supported");
> S3FileSystem should be able to support appending, possibly via common block
> storage logic.
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