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Posted to issues@kylin.apache.org by "Zhong Yanghong (JIRA)" <ji...@apache.org> on 2017/10/17 02:44:00 UTC

[jira] [Assigned] (KYLIN-2932) Simplify the thread model for in-memory cubing

     [ https://issues.apache.org/jira/browse/KYLIN-2932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhong Yanghong reassigned KYLIN-2932:
-------------------------------------

    Assignee: Wang Ken  (was: Dong Li)

> Simplify the thread model for in-memory cubing
> ----------------------------------------------
>
>                 Key: KYLIN-2932
>                 URL: https://issues.apache.org/jira/browse/KYLIN-2932
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>            Reporter: Wang Ken
>            Assignee: Wang Ken
>
> The current implementation uses split threads, task threads and main thread to do the cube building, there is complex join and error handling logic.
> The new implement leverages the ForkJoinPool from JDK,  the event split logic is handled in
> main thread. Cuboid task and sub-tasks are handled in fork join pool, cube results are collected
> async and can be write to output earlier.



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