[
https://issues.apache.org/jira/browse/SPARK-53966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun resolved SPARK-53966.
-----------------------------------
Fix Version/s: 4.1.0
Resolution: Fixed
Issue resolved by pull request 52678
[https://github.com/apache/spark/pull/52678]
> Reduce default page size by LONG_ARRAY_OFFSET if ZGC and ON_HEAP are used
> -------------------------------------------------------------------------
>
> Key: SPARK-53966
> URL: https://issues.apache.org/jira/browse/SPARK-53966
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 4.1.0
> Reporter: Wan Kun
> Assignee: Wan Kun
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> Both G1GC and ZGC needs extra object header (usually 16 bytes in 64bit
> system) when allocating region or ZPage for java long array, so the really
> bytes allocated is pageSize+16.
> So we need consider the object header when allocating spark pages.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
