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https://issues.apache.org/jira/browse/TAJO-269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14261064#comment-14261064
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ASF GitHub Bot commented on TAJO-269:
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Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/322#issuecomment-68353868
I also simplified Schema::getColumnId(). Thank you for quick review. I'll
commit it shortly.
> Protocol buffer De/Serialization for LogicalNode
> ------------------------------------------------
>
> Key: TAJO-269
> URL: https://issues.apache.org/jira/browse/TAJO-269
> Project: Tajo
> Issue Type: Improvement
> Components: query master, worker
> Reporter: Jihoon Son
> Assignee: Hyunsik Choi
> Fix For: 0.10
>
> Attachments: TAJO-269.patch, TAJO-269_2.patch, TAJO-269_3.patch
>
>
> In the current implementation, the logical plan is serialized into a JSON
> object and sent to each worker.
> However, the transmission of JSON object incurs the high overhead due to its
> large size.
> ProtocolBuffer is a good alternative because its overhead is quite small and
> already used in other modules of Tajo.
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