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https://issues.apache.org/jira/browse/IMPALA-13839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sanjana Malhotra resolved IMPALA-13839.
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Resolution: Fixed
> Document for query option MAX_FS_WRITERS
> ----------------------------------------
>
> Key: IMPALA-13839
> URL: https://issues.apache.org/jira/browse/IMPALA-13839
> Project: IMPALA
> Issue Type: Documentation
> Reporter: Quanlong Huang
> Assignee: Sanjana Malhotra
> Priority: Critical
> Fix For: Impala 5.0.0
>
>
> Query option MAX_FS_WRITERS is added in IMPALA-8125. It's usually used when
> setting MT_DOP>0 on DMLs to avoid Impala generating too many files.
> It sets an upper limit on the number of fs writer instances to be scheduled
> during insert. Currently this limit only applies to HDFS inserts.
> See more info in the commit message of
> https://github.com/apache/impala/commit/0a13029
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