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From "Billy Liu (JIRA)" <>
Subject [jira] [Commented] (KYLIN-2932) Simplify the thread model for in-memory cubing
Date Thu, 08 Feb 2018 07:08:00 GMT


Billy Liu commented on KYLIN-2932:

[~Wang Ken], could you share with us more improvement evidence on this? It's a very interesting

> Simplify the thread model for in-memory cubing
> ----------------------------------------------
>                 Key: KYLIN-2932
>                 URL:
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Job Engine
>            Reporter: Wang Ken
>            Assignee: Wang Ken
>            Priority: Major
>             Fix For: v2.3.0
>         Attachments: APACHE-KYLIN-2932.patch
> 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
> main thread. Cuboid task and sub-tasks are handled in fork join pool, cube results are
> async and can be write to output earlier.

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