[CAMEL-6340] Improve Groovy performance

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.10.3
• Fix Version/s: 2.10.5, 2.11.1, 2.12.0
• Component/s: camel-groovy
• Labels: patch perfomance
• Estimated Complexity: Unknown
• Assignee: Claus Ibsen
• Reporter: Antoine DESSAIGNE
• Created: 07/May/13 12:31
• Updated: 21/Nov/13 19:33
• Resolved: 08/May/13 08:59

Description

We noticed some performance issues with the execution of Groovy expression. In the GroovyExpression the script is parsed 2 times at each evaluation. You'll find attached a patch that caches the parsed-version of the scripts.

We did some performance tests with the following definition:

from("direct:start")
    .loop(10000)
    .setBody(new GroovyExpression("request.body + request.getHeader('CamelLoopIndex')"))
    .to("mock:ignore");

We took the average of 5 executions (without the first one):

use case	duration
default, no cache	52690ms
patched, with cache	1017ms

It's more than 50 times faster which is always nice to have

Issue Links

• is related to: CAMEL-6988 2.12.1 caches groovy call - resulting with previous caller state