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https://issues.apache.org/jira/browse/HIVE-9049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14238869#comment-14238869
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Prasanth Jayachandran commented on HIVE-9049:
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Looks like protocol ID and version numbers are encoded in compact format as
well.
http://klickverbot.at/code/gsoc/thrift/docs/htmlsrc/thrift.protocol.compact.html
> Metastore should use TCompactProtocol as opposed to TBinaryProtocol
> -------------------------------------------------------------------
>
> Key: HIVE-9049
> URL: https://issues.apache.org/jira/browse/HIVE-9049
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 0.15.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Minor
> Attachments: HIVE-9049.1.patch
>
>
> Hive metastore server/client uses TBinaryProtocol. Although binary protocol
> is better than simple text/json protocol it is not as effective as
> TCompactProtocol. TCompactProtocol is typically more efficient in terms of
> space and processing (CPU). As seen from this benchmark TCompactProtocol is
> better in almost all aspect when compared to TBinaryProtocol
> https://code.google.com/p/thrift-protobuf-compare/wiki/BenchmarkingV2
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