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https://issues.apache.org/jira/browse/BEAM-2500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16167614#comment-16167614
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Steve Loughran commented on BEAM-2500:
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bq. . So we'll have to have a way to stream bytes into S3 (some implementation
of WrittableByteChannel). I'm not sure if S3 client library already supports
this.
yes, it takes an input stream through its xfer manager, but needs one
supporting mark/restore if you want the manager to handle a transient failure
of the write of a block of data.
> Add support for S3 as a Apache Beam FileSystem
> ----------------------------------------------
>
> Key: BEAM-2500
> URL: https://issues.apache.org/jira/browse/BEAM-2500
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-extensions
> Reporter: Luke Cwik
> Priority: Minor
> Attachments: hadoop_fs_patch.patch
>
>
> Note that this is for providing direct integration with S3 as an Apache Beam
> FileSystem.
> There is already support for using the Hadoop S3 connector by depending on
> the Hadoop File System module[1], configuring HadoopFileSystemOptions[2] with
> a S3 configuration[3].
> 1: https://github.com/apache/beam/tree/master/sdks/java/io/hadoop-file-system
> 2:
> https://github.com/apache/beam/blob/master/sdks/java/io/hadoop-file-system/src/main/java/org/apache/beam/sdk/io/hdfs/HadoopFileSystemOptions.java#L53
> 3: https://wiki.apache.org/hadoop/AmazonS3
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