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https://issues.apache.org/jira/browse/SPARK-28366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16886229#comment-16886229
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Sean Owen commented on SPARK-28366:
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... what do you want to log?
> Logging in driver when loading single large gzipped file via sc.textFile
> ------------------------------------------------------------------------
>
> Key: SPARK-28366
> URL: https://issues.apache.org/jira/browse/SPARK-28366
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.4.3
> Reporter: Weichen Xu
> Priority: Minor
>
> For a large gzipped file, since they are not splittable, spark have to use
> only one partition task to read and decompress it. This could be very slow.
> We should log for this case in driver side.
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