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https://issues.apache.org/jira/browse/SPARK-29995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16979997#comment-16979997
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zhang liming commented on SPARK-29995:
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May I delete the previous contents of the latest .compact file to control the
size of the subsequent merged file?
> Structured Streaming file-sink log grow indefinitely
> ----------------------------------------------------
>
> Key: SPARK-29995
> URL: https://issues.apache.org/jira/browse/SPARK-29995
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 2.4.0
> Reporter: zhang liming
> Priority: Major
> Attachments: file.png, task.png
>
>
> When i use structured streaming parquet sink, I've noticed that the
> File-Sink-Log files keep getting bigger, they are in
> \{$checkpoint/_spark_metadata/}, i don't think this is reasonable.
> And when they merge files,task batches take longer to run, just like the
> screenshot below
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