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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2018/09/14 01:56:00 UTC
[jira] [Updated] (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 ]
Shaofeng SHI updated KYLIN-2932:
--------------------------------
Fix Version/s: v2.6.0
> 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
> Priority: Major
> Fix For: v2.6.0
>
> 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 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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