GitHub user ericl opened a pull request:
https://github.com/apache/spark/pull/13586
[SPARK-15860] Metrics for codegen size and perf
## What changes were proposed in this pull request?
Adds 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.
To simplify, I added the metrics under a statically-initialized source that
is always registered with SparkEnv.
## How was this patch tested?
Unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ericl/spark spark-15860
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13586.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 #13586
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commit ddd36cfa05de2e6c9cbfbd31b70d66b8c32660a8
Author: Eric Liang <e...@databricks.com>
Date: 2016-06-10T02:27:18Z
Thu Jun 9 19:27:18 PDT 2016
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