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https://issues.apache.org/jira/browse/DRILL-4462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15675862#comment-15675862
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Khurram Faraaz commented on DRILL-4462:
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You can get source from here, do a git clone from 
https://github.com/apache/drill and checkout to the latest commit and then 
build and deploy binaries (that will be available under distribution/target/ 
directory), you should get Drill 1.9.0 binaries that way, or, you can download 
the already released version, Drill 1.8.0 from here - 
https://drill.apache.org/download/

> Slow JOIN Query On Remote MongoDB
> ---------------------------------
>
>                 Key: DRILL-4462
>                 URL: https://issues.apache.org/jira/browse/DRILL-4462
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Client - CLI, Storage - MongoDB
>    Affects Versions: 1.5.0
>            Reporter: Rifat Mahmud
>         Attachments: fragmentprof.PNG
>
>
> Regardless of the number of collections in the MongoDB database, simple join 
> query, like select * from t1, t2 where t1.a=t2.b is taking on and around 27 
> seconds from drill-embedded running on a single machine.
> Here are the profiles:
> https://drive.google.com/open?id=0B-J_8-KYz50mZ1NjSzlUUjR3Q0U
> https://drive.google.com/open?id=0B-J_8-KYz50mcTFpRmxKOWdfak0
> Screenshot of fragment profile has been attached.



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