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https://issues.apache.org/jira/browse/FLINK-9407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16533041#comment-16533041
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ASF GitHub Bot commented on FLINK-9407:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/6075
Hi @zhangminglei
Sorry for the late response - I thought about this solution quite a bit and
came to the conclusion that we may need to do a bit more for efficient results:
Please take a look at
[FLINK-9749](https://issues.apache.org/jira/browse/FLINK-9749) and the subtask
[FLINK-9753](https://issues.apache.org/jira/browse/FLINK-9753)
The description outlines why I believe the simple approach suggested here
may not be enough (will frequently result in badly compressed ORC/Parquet).
We have already started this effort to completely redesign the
BucketingSink. The initial work-in-progress looks quite promising.
> Support orc rolling sink writer
> -------------------------------
>
> Key: FLINK-9407
> URL: https://issues.apache.org/jira/browse/FLINK-9407
> Project: Flink
> Issue Type: New Feature
> Components: filesystem-connector
> Reporter: zhangminglei
> Assignee: zhangminglei
> Priority: Major
> Labels: patch-available, pull-request-available
>
> Currently, we only support {{StringWriter}}, {{SequenceFileWriter}} and
> {{AvroKeyValueSinkWriter}}. I would suggest add an orc writer for rolling
> sink.
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