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From "Jacques Nadeau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-2993) SQLLine hangs when we cancel a query in the middle of displaying results
Date Sun, 10 May 2015 23:12:00 GMT

    [ https://issues.apache.org/jira/browse/DRILL-2993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14537411#comment-14537411
] 

Jacques Nadeau commented on DRILL-2993:
---------------------------------------

We should be consuming all messages already.  Why would we need to change throttling to consume
messages?  Throttling doesn't kick in unless we're not consuming messages.  We should fix
that instead.

The server should only send messages as fast as the client can consume them so we don't get
memory growth.  

> SQLLine hangs when we cancel a query in the middle of displaying results
> ------------------------------------------------------------------------
>
>                 Key: DRILL-2993
>                 URL: https://issues.apache.org/jira/browse/DRILL-2993
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>            Reporter: Rahul Challapalli
>            Assignee: Daniel Barclay (Drill)
>         Attachments: DRILL-2993.1.patch.txt
>
>
> git.commit.id.abbrev=8c706e6
> The data set contains 1 million records. I cancelled the below query after displaying
around ~400,000 records. All subsequent queries fail
> {code}
> 0: jdbc:drill:schema=dfs_eea>select * from `mobile.json`;
> .....
> .....
> Cancel after displaying 400,000 records
> 0: jdbc:drill:schema=dfs_eea>use dfs.drillTestDir;
> ....
> This hangs indefinitely
> {code}
> Since the data is large, I did not attach it.



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