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https://issues.apache.org/jira/browse/DRILL-5528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rahul Challapalli updated DRILL-5528:
-------------------------------------
Attachment: drillbit.out
drillbit.log
drill-env.sh
26e2183f-2c5d-4044-0e23-4aeb45c40be5.sys.drill
> Sorting 19GB data with 14GB memory in a single fragment takes ~150 minutes
> --------------------------------------------------------------------------
>
> Key: DRILL-5528
> URL: https://issues.apache.org/jira/browse/DRILL-5528
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Relational Operators
> Affects Versions: 1.10.0
> Reporter: Rahul Challapalli
> Assignee: Paul Rogers
> Attachments: 26e2183f-2c5d-4044-0e23-4aeb45c40be5.sys.drill,
> drillbit.log, drillbit.out, drill-env.sh
>
>
> Configuration :
> {code}
> git.commit.id.abbrev=1e0a14c
> DRILL_MAX_DIRECT_MEMORY="32G"
> DRILL_MAX_HEAP="4G"
> {code}
> Based on the runtime of the below query, I suspect there is a performance
> bottleneck somewhere
> {code}
> [root@qa-node190 external-sort]# /opt/drill/bin/sqlline -u
> jdbc:drill:zk=10.10.100.190:5181
> apache drill 1.11.0-SNAPSHOT
> "start your sql engine"
> 0: jdbc:drill:zk=10.10.100.190:5181> ALTER SESSION SET
> `exec.sort.disable_managed` = false;
> +-------+-------------------------------------+
> | ok | summary |
> +-------+-------------------------------------+
> | true | exec.sort.disable_managed updated. |
> +-------+-------------------------------------+
> 1 row selected (0.975 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> alter session set
> `planner.width.max_per_node` = 1;
> +-------+--------------------------------------+
> | ok | summary |
> +-------+--------------------------------------+
> | true | planner.width.max_per_node updated. |
> +-------+--------------------------------------+
> 1 row selected (0.371 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> alter session set
> `planner.disable_exchanges` = true;
> +-------+-------------------------------------+
> | ok | summary |
> +-------+-------------------------------------+
> | true | planner.disable_exchanges updated. |
> +-------+-------------------------------------+
> 1 row selected (0.292 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> alter session set
> `planner.memory.max_query_memory_per_node` = 14106127360;
> +-------+----------------------------------------------------+
> | ok | summary |
> +-------+----------------------------------------------------+
> | true | planner.memory.max_query_memory_per_node updated. |
> +-------+----------------------------------------------------+
> 1 row selected (0.316 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> select count(*) from (select * from
> dfs.`/drill/testdata/resource-manager/250wide.tbl` order by columns[0])d
> where d.columns[0] = 'ljdfhwuehnoiueyf';
> +---------+
> | EXPR$0 |
> +---------+
> | 0 |
> +---------+
> 1 row selected (8530.719 seconds)
> {code}
> I attached the logs and profile files. The data is too large to attach to a
> jira. Reach out to me if you need any more information
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