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From "Reynold Xin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-12388) Change default compressor to LZ4
Date Thu, 17 Dec 2015 01:52:46 GMT

     [ https://issues.apache.org/jira/browse/SPARK-12388?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Reynold Xin updated SPARK-12388:
--------------------------------
    Labels: releasenotes  (was: )

> Change default compressor to LZ4
> --------------------------------
>
>                 Key: SPARK-12388
>                 URL: https://issues.apache.org/jira/browse/SPARK-12388
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Davies Liu
>              Labels: releasenotes
>
> According the benchmark [1], LZ4-java could be 80% (or 30%) faster than Snappy.
> After changing the compressor to LZ4, I saw 20% improvement on end-to-end time for a
TPCDS query (Q4).
> [1] https://github.com/ning/jvm-compressor-benchmark/wiki



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