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Posted to issues@camel.apache.org by "Claus Ibsen (JIRA)" <ji...@apache.org> on 2013/04/14 08:58:16 UTC
[jira] [Commented] (CAMEL-6264) Camel 2.10 performance regression
with added statistics in BaseTypeConverterRegistry
[ https://issues.apache.org/jira/browse/CAMEL-6264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13631281#comment-13631281 ]
Claus Ibsen commented on CAMEL-6264:
------------------------------------
What JDK and OS are you using?
And do you have an idea of how many concurrent threads was running during that test?
> Camel 2.10 performance regression with added statistics in BaseTypeConverterRegistry
> ------------------------------------------------------------------------------------
>
> Key: CAMEL-6264
> URL: https://issues.apache.org/jira/browse/CAMEL-6264
> Project: Camel
> Issue Type: Improvement
> Components: camel-core
> Affects Versions: 2.10.3
> Reporter: Fabien Chaillou
> Assignee: Claus Ibsen
> Labels: performance
>
> We updated one of our applications from camel 2.7.3 to camel 2.10.3.
> We have a camel route that takes its input from a servlet and we saw a 10% performance drop after the update.
> With more tests using yourkit, it appears that we are spending a lot more time in BaseTypeConverterRegistry#convertTo method than we used to (from 10ms to 3200ms in a test case).
> The only difference between the two version is the added statistics and the AtomicLong that must cause contention on our route that uses multiple threads behind a seda.
> To improve the issue on our side, we worked-around to avoid having a type converter in our hotspots (Which was mainly the DefaultHttpBinding#writeResponse from camel-http), but i think a solution should be find (maybe make these statistics optionnal).
> Regards,
> Fabien
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