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Posted to issues@kylin.apache.org by "Shaofeng SHI (JIRA)" <ji...@apache.org> on 2018/11/06 02:22:08 UTC
[jira] [Closed] (KYLIN-3635) Percentile calculation on Spark engine
is wrong
[ https://issues.apache.org/jira/browse/KYLIN-3635?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shaofeng SHI closed KYLIN-3635.
-------------------------------
“Resolved in release 2.5.1 (2018-11-06)"
> Percentile calculation on Spark engine is wrong
> -----------------------------------------------
>
> Key: KYLIN-3635
> URL: https://issues.apache.org/jira/browse/KYLIN-3635
> Project: Kylin
> Issue Type: Bug
> Components: Spark Engine
> Affects Versions: v2.3.0, v2.3.1, v2.4.0, v2.3.2, v2.4.1, v2.5.0
> Reporter: Shaofeng SHI
> Assignee: Shaofeng SHI
> Priority: Major
> Fix For: v2.4.2, v2.5.1
>
>
> As titled; Received reporting that percentile result is wrong when using Spark engine. Checked the code and found the object was reused and not reset, the problem won't happen on normal MR as it would be serialized before next call, but would be a problem on Spark, as the object was cached in-memory and be serialized later.
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