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Posted to issues@spark.apache.org by "Shixiong Zhu (JIRA)" <ji...@apache.org> on 2015/03/05 10:06:39 UTC
[jira] [Comment Edited] (SPARK-6142) 10-12% Performance regression
with "finalize"
[ https://issues.apache.org/jira/browse/SPARK-6142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14348444#comment-14348444 ]
Shixiong Zhu edited comment on SPARK-6142 at 3/5/15 9:05 AM:
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[~nravi] I tested in our environment, and didn't find any performance lost with `finalize`. Did 10-12% performance regression always happen?
was (Author: zsxwing):
@nishkamravi2 I tested in our environment, and didn't find any performance lost with `finalize`. Did 10-12% performance regression always happen?
> 10-12% Performance regression with "finalize"
> ---------------------------------------------
>
> Key: SPARK-6142
> URL: https://issues.apache.org/jira/browse/SPARK-6142
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.3.0
> Reporter: Nishkam Ravi
>
> 10-12% performance regression in PageRank (and potentially other workloads) caused due to the use of finalize in ExternalAppendOnlyMap. Introduced by a commit on Feb 19th.
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