SourceTransformer should cache DocumentBuilder & TransformerFactory
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Key: SM-2069
URL: https://issues.apache.org/jira/browse/SM-2069
Project: ServiceMix
Issue Type: Improvement
Affects Versions: servicemix-utils-1.5.0
Environment: http://svn.apache.org/repos/asf/servicemix/utils/trunk
Reporter: Jonathan Anstey
I noticed that when routing between JBI endpoints in Camel like:
{code}
from("jbi:endpoint:serviceNamespace:serviceA:endpointA").to("jbi:endpoint:serviceNamespace:serviceB:endpointB");
{code}
There is a huge overhead creating new TransformerFactory and DocumentBuilder
objects. After caching these on a per thread basis I was able to get a test
case down from 41.583 sec to 18.224 sec.
To test this, apply the attached patch (cache_docbuilder.patch) to the
servicemix-utils trunk, and also modify the servicemix-camel component with the
attached patch (cache_docbuilder_test.patch) and run the following:
janstey@duffman:/x1/asf/servicemix/components/trunk/engines/servicemix-camel$
mvn clean test -Dtest=SendFromCamelToJbiThenRouteToAnotherJbiComponentTest
You may need to up surefire's Xmx as well.
If someone is going to commit this, please only commit the code in
cache_docbuilder.patch
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