GitHub user rajeshbalamohan opened a pull request:
https://github.com/apache/spark/pull/10848
SPARK-12925. [SQL]. Improve HiveInspectors.unwrap for StringObjectInsâ¦
Text is in UTF-8 and converting it via "UTF8String.fromString" incurs
decoding and encoding, which turns out to be expensive and redundant. Profiler
snapshot details is attached in the JIRA
(ref:https://issues.apache.org/jira/secure/attachment/12783331/SPARK-12925_profiler_cpu_samples.png)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rajeshbalamohan/spark SPARK-12925
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10848.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 #10848
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commit 30cc93246828da9728891f9ed6d65b26bcb888af
Author: Rajesh Balamohan <rbalamo...@apache.org>
Date: 2016-01-20T12:15:56Z
SPARK-12925. [SQL]. Improve HiveInspectors.unwrap for
StringObjectInspector.getPrimitiveWritableObject
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