GitHub user JoshRosen opened a pull request:
https://github.com/apache/spark/pull/7635
[SPARK-9303] Decimal should use java.math.Decimal directly instead of using
Scala wrapper
Spark SQL's `Decimal` class should use Java's BigDecimal instead of
Scala's, since this removes a layer of object allocation and works around an
issue where Scala's BigDecimal.hashCode() can lead to OOMs (see
https://issues.scala-lang.org/browse/SI-6173).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/JoshRosen/spark SPARK-9303
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7635.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #7635
----
commit d7a35358e2068eca9bdead2b93f3b96dcaf890d8
Author: Josh Rosen <[email protected]>
Date: 2015-07-24T06:02:13Z
[SPARK-9303] Decimal should use java.math.Decimal directly instead of via
Scala wrapper
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