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https://issues.apache.org/jira/browse/SPARK-10134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14704487#comment-14704487
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Apache Spark commented on SPARK-10134:
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User 'chenghao-intel' has created a pull request for this issue:
https://github.com/apache/spark/pull/8335
> Improve the performance of Binary Comparison
> --------------------------------------------
>
> Key: SPARK-10134
> URL: https://issues.apache.org/jira/browse/SPARK-10134
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Cheng Hao
> Fix For: 1.6.0
>
>
> Currently, compare the binary byte by byte is quite slow, use the Guava
> utility to improve the performance, which take 8 bytes one time in the
> comparison.
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