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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-16862) Configurable buffer size in `UnsafeSorterSpillReader`
Date Sat, 20 Aug 2016 05:09:20 GMT

    [ https://issues.apache.org/jira/browse/SPARK-16862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15429226#comment-15429226
] 

Apache Spark commented on SPARK-16862:
--------------------------------------

User 'tejasapatil' has created a pull request for this issue:
https://github.com/apache/spark/pull/14726

> Configurable buffer size in `UnsafeSorterSpillReader`
> -----------------------------------------------------
>
>                 Key: SPARK-16862
>                 URL: https://issues.apache.org/jira/browse/SPARK-16862
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 2.0.0
>            Reporter: Tejas Patil
>            Priority: Minor
>
> `BufferedInputStream` used in `UnsafeSorterSpillReader` uses the default 8k buffer to
read data off disk. This could be made configurable to improve on disk reads.
> https://github.com/apache/spark/blob/master/core/src/main/java/org/apache/spark/util/collection/unsafe/sort/UnsafeSorterSpillReader.java#L53



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