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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2019/07/16 15:48:00 UTC

[jira] [Commented] (SPARK-28366) Logging in driver when loading single large gzipped file via sc.textFile

    [ https://issues.apache.org/jira/browse/SPARK-28366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16886229#comment-16886229 ] 

Sean Owen commented on SPARK-28366:
-----------------------------------

... 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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