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https://issues.apache.org/jira/browse/HIVE-24721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Panagiotis Garefalakis updated HIVE-24721:
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Parent: (was: HIVE-23553)
Issue Type: Improvement (was: Sub-task)
> Align CacheWriter bufferSize with Llap max alloc
> ------------------------------------------------
>
> Key: HIVE-24721
> URL: https://issues.apache.org/jira/browse/HIVE-24721
> Project: Hive
> Issue Type: Improvement
> Reporter: Panagiotis Garefalakis
> Priority: Major
>
> Before bumping to ORC-1.6, LLAP_ALLOCATOR_MAX_ALLOC value was also used as
> the ORC CacheWriter buffer size.
> As per ORC-238, the max bufferSize argument can be up to 2^(3*8 - 1) -- i.e.,
> less than 8Mb.
> In HIVE-23553 we decouple the two configuration (LLAP max alloc and
> CacheWriter buffer size) -- this ticket is to investigate if there is a need
> for these two conf to convergence.
> More details:
> https://github.com/apache/hive/pull/1823#pullrequestreview-575698916
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