GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/8357
[SPARK-10155][SQL]Change SqlParser to object to avoid memory leak
Since `scala.util.parsing.combinator.Parsers` is thread-safe since Scala
2.10 (See [SI-4929](https://issues.scala-lang.org/browse/SI-4929)), we can
change SqlParser to object to avoid memory leak.
I didn't change other subclasses of `scala.util.parsing.combinator.Parsers`
because there is only one instance in one SQLContext, which should not be an
issue.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark sql-memory-leak
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8357.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 #8357
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commit 4bc33e0440e844980f8119e19bba70e3656c856c
Author: zsxwing <[email protected]>
Date: 2015-08-21T10:55:28Z
Change SqlParser to object to avoid memory leak
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