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https://issues.apache.org/jira/browse/HIVE-23476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal Vijayaraghavan updated HIVE-23476:
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Summary: LLAP: Preallocate arenas for mmap case as well (was: [LLAP]
Preallocate arenas for mmap case as well)
> LLAP: Preallocate arenas for mmap case as well
> ----------------------------------------------
>
> Key: HIVE-23476
> URL: https://issues.apache.org/jira/browse/HIVE-23476
> Project: Hive
> Issue Type: Bug
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Major
> Attachments: HIVE-23476.1.patch
>
>
> BuddyAllocator pre-allocation of arenas does not happen for mmap cache case.
> Since we are not filling up the mmap'ed buffers the upfront allocations in
> constructor is cheap. This can avoid lock free allocation of arenas later in
> the code.
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