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Posted to issues@hive.apache.org by "Mithun Radhakrishnan (JIRA)" <ji...@apache.org> on 2017/09/25 22:22:00 UTC
[jira] [Updated] (HIVE-17600) Make OrcFile's "enforceBufferSize"
user-settable.
[ https://issues.apache.org/jira/browse/HIVE-17600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mithun Radhakrishnan updated HIVE-17600:
----------------------------------------
Attachment: HIVE-17600.1-branch-2.2.patch
> Make OrcFile's "enforceBufferSize" user-settable.
> -------------------------------------------------
>
> Key: HIVE-17600
> URL: https://issues.apache.org/jira/browse/HIVE-17600
> Project: Hive
> Issue Type: Improvement
> Components: ORC
> Affects Versions: 2.2.0, 3.0.0
> Reporter: Mithun Radhakrishnan
> Assignee: Mithun Radhakrishnan
> Attachments: HIVE-17600.1-branch-2.2.patch
>
>
> This is a duplicate of ORC-238, but it applies to {{branch-2.2}}.
> Compression buffer-sizes in OrcFile are computed at runtime, except when enforceBufferSize is set. The only snag here is that this flag can't be set by the user.
> When runtime-computed buffer-sizes are not optimal (for some reason), the user has no way to work around it by setting a custom value.
> I have a patch that we use at Yahoo.
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