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https://issues.apache.org/jira/browse/SPARK-15860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15323761#comment-15323761
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Apache Spark commented on SPARK-15860:
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User 'ericl' has created a pull request for this issue:
https://github.com/apache/spark/pull/13586

> Metrics for codegen size and perf
> ---------------------------------
>
>                 Key: SPARK-15860
>                 URL: https://issues.apache.org/jira/browse/SPARK-15860
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Eric Liang
>
> We should expose codahale metrics for the codegen source text size and how 
> long it takes to compile. The size is particularly interesting, since the JVM 
> does have hard limits on how large methods can get.



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