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From "Deneche A. Hakim (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-3046) Memory Leak after cancelling a query
Date Fri, 15 May 2015 16:55:00 GMT

    [ https://issues.apache.org/jira/browse/DRILL-3046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14545780#comment-14545780
] 

Deneche A. Hakim commented on DRILL-3046:
-----------------------------------------

just tried the query on the master and I don't see a leak any more:
{noformat}
0: jdbc:drill:zk=local> select * from sys.memory;
+------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
|     hostname     | user_port  | heap_current  |  heap_max   | direct_current  | jvm_direct_current
 | direct_max  |
+------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
| abdel-11.qa.lab  | 31010      | 845136448     | 4116709376  | 9798941         | 100873640
          | 8589934592  |
+------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
1 row selected (0.619 seconds)
0: jdbc:drill:zk=local> select * from `memleak.json`;
Error: SQL statement execution canceled; ResultSet now closed. (state=,code=0)
0: jdbc:drill:zk=local> select * from sys.memory;
+------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
|     hostname     | user_port  | heap_current  |  heap_max   | direct_current  | jvm_direct_current
 | direct_max  |
+------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
| abdel-11.qa.lab  | 31010      | 764707776     | 4116709376  | 9798941         | 201458674
          | 8589934592  |
+------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
1 row selected (0.121 seconds)
{noformat}

> Memory Leak after cancelling a query
> ------------------------------------
>
>                 Key: DRILL-3046
>                 URL: https://issues.apache.org/jira/browse/DRILL-3046
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>    Affects Versions: 1.0.0
>            Reporter: Rahul Challapalli
>            Assignee: Deneche A. Hakim
>            Priority: Critical
>             Fix For: 1.1.0
>
>         Attachments: DRILL-3046.1.patch.txt, memleak.json
>
>
> git.commit.id.abbrev=d10769f
> There seems to be a memory leak after cancelling the query immediately after it is started
> {code}
> 0: jdbc:drill:schema=dfs_eea> select * from sys.memory;
> +------------+------------+--------------+------------+----------------+--------------------+------------+
> |  hostname  | user_port  | heap_current |  heap_max  | direct_current | jvm_direct_current
| direct_max |
> +------------+------------+--------------+------------+----------------+--------------------+------------+
> | qa-node191.qa.lab | 31010      | 171717928    | 4151836672 | 11799087       | 100676662
         | 34359738368 |
> | qa-node190.qa.lab | 31010      | 286131528    | 4151836672 | 7750365        | 50345014
          | 34359738368 |
> +------------+------------+--------------+------------+----------------+--------------------+------------+
> 2 rows selected (1.022 seconds)
> 0: jdbc:drill:schema=dfs_eea> select * from `memleak.json`;
> Error: SQL statement execution canceled; resultSet closed. (state=,code=0)
> 0: jdbc:drill:schema=dfs_eea> select * from sys.memory;
> +------------+------------+--------------+------------+----------------+--------------------+------------+
> |  hostname  | user_port  | heap_current |  heap_max  | direct_current | jvm_direct_current
| direct_max |
> +------------+------------+--------------+------------+----------------+--------------------+------------+
> | qa-node190.qa.lab | 31010      | 293009856    | 4151836672 | 7750365        | 83899446
          | 34359738368 |
> | qa-node191.qa.lab | 31010      | 633074864    | 4151836672 | 4307525428     | 4479530038
        | 34359738368 |
> +------------+------------+--------------+------------+----------------+--------------------+------------+
> 2 rows selected (0.775 seconds)
> {code}



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