[jira] [Commented] (BEAM-2500) Add support for S3 as a Apache Beam FileSystem

["Steve Loughran (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-2500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16073967#comment-16073967 ] 

Steve Loughran commented on BEAM-2500:
--------------------------------------

It's not clear that the S3 clients from EMR or Apache (S3A) work with Beam, not until you've got the tests. Certainly there's a report on [StackOverflow|https://stackoverflow.com/questions/44792884/apache-beam-unable-to-read-text-file-from-s3-using-hadoop-file-system-sdk] which implies that beam depends on a read(ByteBuffer) operation which is not implemented by S3A (nor indeed, Azure WASB). 

> 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
>
> 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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