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Posted to commits@hudi.apache.org by "Vu Ho (Jira)" <ji...@apache.org> on 2020/10/21 13:00:00 UTC
[jira] [Commented] (HUDI-1348) Provide option to clean up DFS
sources after each commit
[ https://issues.apache.org/jira/browse/HUDI-1348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17218282#comment-17218282 ]
Vu Ho commented on HUDI-1348:
-----------------------------
[~vinoth] what do you think about this? I'm not sure if there's already a solution
> Provide option to clean up DFS sources after each commit
> --------------------------------------------------------
>
> Key: HUDI-1348
> URL: https://issues.apache.org/jira/browse/HUDI-1348
> Project: Apache Hudi
> Issue Type: Improvement
> Components: DeltaStreamer, Utilities
> Reporter: Vu Ho
> Priority: Major
>
> Since DeltaStreamer makes heavily use of file listing, if the source contains a lot of tiny files, this could quickly become a bottle neck. We need a way to delete/archive files once processed by DeltaStreamer.
> It seems like the best way to reliably clean up the source is after DeltaSync commit the checkpoint successfully. We could add a new public method to Source e.g. `postCommit()` and invoke it after each successful commit
> Reference:
> [https://spark.apache.org/docs/latest/structured-streaming-programming-guide.html#input-sources]
>
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