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https://issues.apache.org/jira/browse/SPARK-14482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15231767#comment-15231767
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Apache Spark commented on SPARK-14482:
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User 'rxin' has created a pull request for this issue:
https://github.com/apache/spark/pull/12256
> Change default compression codec for Parquet from gzip to snappy
> ----------------------------------------------------------------
>
> Key: SPARK-14482
> URL: https://issues.apache.org/jira/browse/SPARK-14482
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Reynold Xin
>
> Based on our tests, gzip decompression is very slow (< 100MB/s), making
> queries decompression bound. Snappy can decompress at ~ 500MB/s on a single
> core.
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