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https://issues.apache.org/jira/browse/DRILL-6640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16586396#comment-16586396
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ASF GitHub Bot commented on DRILL-6640:
---------------------------------------
ilooner commented on issue #1405: DRILL-6640: Modifying DotDrillUtil
implementation to avoid using globStatus calls
URL: https://github.com/apache/drill/pull/1405#issuecomment-414435259
Sorry for the delayed review @kr-arjun. Please use BaseDirTestWatcher for
creating temp directories in tests. There is information in the javadoc for the
class, an example in ExampleTest, and you can take a look at the other tests
that use it for more examples.
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> Drill takes long time in planning when there are large number of files in
> views/tables DFS parent directory
> ------------------------------------------------------------------------------------------------------------
>
> Key: DRILL-6640
> URL: https://issues.apache.org/jira/browse/DRILL-6640
> Project: Apache Drill
> Issue Type: Improvement
> Components: Query Planning & Optimization
> Reporter: Arjun
> Assignee: Arjun
> Priority: Major
> Fix For: 1.15.0
>
>
> When Drill is used for querying views/ tables, the query planning time
> increases as the number of files in views/tables parent directory increases.
> This becomes unacceptably long with complex queries.
> This is caused by globStatus operation on view files using GLOB to retrieve
> view file status. This can be improved by avoiding the usage of GLOB pattern
> for Drill metadata files like view files.
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