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https://issues.apache.org/jira/browse/SPARK-29542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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feiwang updated SPARK-29542:
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Summary: [SQL][DOC] The descriptions of `spark.sql.files.*` are confused.
(was: [DOC] The description of `spark.sql.files.maxPartitionBytes` is confused.)
> [SQL][DOC] The descriptions of `spark.sql.files.*` are confused.
> ----------------------------------------------------------------
>
> Key: SPARK-29542
> URL: https://issues.apache.org/jira/browse/SPARK-29542
> Project: Spark
> Issue Type: Documentation
> Components: Documentation
> Affects Versions: 2.4.4
> Reporter: feiwang
> Priority: Minor
> Attachments: screenshot-1.png
>
>
> Hiļ¼the description of `spark.sql.files.maxPartitionBytes` is shown as below.
> {code:java}
> The maximum number of bytes to pack into a single partition when reading
> files.
> {code}
> It seems that it can ensure each partition at most process bytes of that
> value for spark sql.
> As shown in the attachment, the value of spark.sql.files.maxPartitionBytes
> is 128MB.
> For stage 1, its input is 16.3TB, but there are only 6400 tasks.
> I checked the code, it is only effective for data source table.
> So, its description is confused.
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