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https://issues.apache.org/jira/browse/MADLIB-1109?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16118634#comment-16118634
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ASF GitHub Bot commented on MADLIB-1109:
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Github user asfgit closed the pull request at:
https://github.com/apache/incubator-madlib/pull/157
> Do not fail certain modules when optimizer_control GUC is set to off in
> Greenplum
> ---------------------------------------------------------------------------------
>
> Key: MADLIB-1109
> URL: https://issues.apache.org/jira/browse/MADLIB-1109
> Project: Apache MADlib
> Issue Type: Task
> Components: All Modules
> Reporter: Frank McQuillan
> Priority: Minor
> Fix For: v1.12
>
>
> If the optimizer_control GUC is set to off in Greenplum, the following
> install checks will fail, and these MADlib functions will not work:
> * decision tree
> * random forest
> * LDA
> * k-Means
> * PMML export for decision tree
> * PMML export for random forest
> There may be others, but these are the ones I am aware of.
> The parameter optimizer_control
> https://gpdb.docs.pivotal.io/43130/ref_guide/config_params/guc-list.html#optimizer_control
> controls whether the server configuration parameter optimizer
> https://gpdb.docs.pivotal.io/43130/ref_guide/config_params/guc-list.html#optimizer
> can be changed. The parameter optimizer controls whether the GPORCA optimizer
> is enabled when running SQL queries.
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