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https://issues.apache.org/jira/browse/IMPALA-8673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Abhishek Rawat resolved IMPALA-8673.
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Resolution: Fixed
Fix Version/s: Impala 3.3.0
> Add query option to force plan hints for insert queries
> -------------------------------------------------------
>
> Key: IMPALA-8673
> URL: https://issues.apache.org/jira/browse/IMPALA-8673
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend, Frontend
> Affects Versions: Impala 3.3.0
> Reporter: Lars Volker
> Assignee: Abhishek Rawat
> Priority: Major
> Labels: perfomance, ramp-up, regression
> Fix For: Impala 3.3.0
>
>
> In Impala 3.0 we turned on insert clustering by default (IMPALA-5293). This
> can lead to performance regressions from 2.x for highly skewed data sets. To
> help with those cases, we should add a way to force plan hints for insert
> queries through a query option.
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