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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-4476) Camel splitter/aggregator 2x slower in 2.8.1 vs 2.7.3
Date Thu, 22 Sep 2011 12:48:26 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-4476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13112510#comment-13112510
] 

Claus Ibsen commented on CAMEL-4476:
------------------------------------

With constant: Time taken 68040 ms
With simple: Time taken 100913 ms

> Camel splitter/aggregator 2x slower in 2.8.1 vs 2.7.3
> -----------------------------------------------------
>
>                 Key: CAMEL-4476
>                 URL: https://issues.apache.org/jira/browse/CAMEL-4476
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.8.1
>         Environment: Oracle JDK 1.6.0_26 64-bit, CentOS 6 64-bit
>            Reporter: Bryan Keller
>            Assignee: Claus Ibsen
>
> I noticed a sharp decline in the performance of my application when I upgraded from Camel
2.7.3 to 2.8.1. I discovered that the splitter/aggregator had become the bottleneck in my
app. I have created a sample app that demonstrates the issue. The aggregator uses a lock,
and I suspect lock contention may be at the root of this, but didn't notice any changes around
that in the code diff between the versions.
> I uploaded the sample app to http://www.vancameron.net/CamelPerf.zip. It uses gradle.
Unzip to a directory then run "gradle" from the command line. To change the version from 2.8.1
to 2.7.3, edit the build.gradle file and run again.
> The app loads 10 files with 100k lines each. It prints the current time in msec per batch.

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