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https://issues.apache.org/jira/browse/FLINK-11838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17300332#comment-17300332
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Galen Warren commented on FLINK-11838:
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[~BerkayOzturk] No, it's not in a working state. Since that PR, [~xintongsong] 
and I refined the proposed implementation significantly. I'm hoping to get back 
to this very soon, I've had some work stuff come up that is taking all my time. 
Sorry about the delay!

> Create RecoverableWriter for GCS
> --------------------------------
>
>                 Key: FLINK-11838
>                 URL: https://issues.apache.org/jira/browse/FLINK-11838
>             Project: Flink
>          Issue Type: New Feature
>          Components: Connectors / FileSystem
>    Affects Versions: 1.8.0
>            Reporter: Fokko Driesprong
>            Assignee: Galen Warren
>            Priority: Major
>              Labels: pull-request-available, usability
>             Fix For: 1.13.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> GCS supports the resumable upload which we can use to create a Recoverable 
> writer similar to the S3 implementation:
> https://cloud.google.com/storage/docs/json_api/v1/how-tos/resumable-upload
> After using the Hadoop compatible interface: 
> https://github.com/apache/flink/pull/7519
> We've noticed that the current implementation relies heavily on the renaming 
> of the files on the commit: 
> https://github.com/apache/flink/blob/master/flink-filesystems/flink-hadoop-fs/src/main/java/org/apache/flink/runtime/fs/hdfs/HadoopRecoverableFsDataOutputStream.java#L233-L259
> This is suboptimal on an object store such as GCS. Therefore we would like to 
> implement a more GCS native RecoverableWriter 



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