[jboss-jira] [JBoss JIRA] (JBRULES-3699) Large memory allocation per request in drools-camel-server

[Toshiya Kobayashi (JIRA)]

    [ https://issues.jboss.org/browse/JBRULES-3699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12738436#comment-12738436 ] 

Toshiya Kobayashi commented on JBRULES-3699:
--------------------------------------------

They are likely String operations (e.g. byte array <-> String conversion). Probably they are required anyway. But I hope some memory conscious solution can be found.

for example,
https://github.com/droolsjbpm/droolsjbpm-integration/blob/master/drools-camel/src/main/java/org/drools/camel/component/DroolsPolicy.java#L322
https://github.com/droolsjbpm/droolsjbpm-integration/blob/master/drools-camel/src/main/java/org/drools/jax/soap/PostCxfTransportSoapProcessor.java#L52
https://github.com/droolsjbpm/droolsjbpm-integration/blob/master/drools-camel/src/main/java/org/drools/jax/soap/PostCxfTransportSoapProcessor.java#L57
https://github.com/apache/camel/blob/camel-2.4.0/camel-core/src/main/java/org/apache/camel/converter/IOConverter.java#L140
                
> Large memory allocation per request in drools-camel-server
> ----------------------------------------------------------
>
>                 Key: JBRULES-3699
>                 URL: https://issues.jboss.org/browse/JBRULES-3699
>             Project: Drools
>          Issue Type: Quality Risk
>      Security Level: Public(Everyone can see) 
>          Components: drools-camel
>    Affects Versions: 5.4.0.Final
>            Reporter: Toshiya Kobayashi
>            Assignee: Mark Proctor
>         Attachments: JBoss_Benchmark_Request.xml, numbers.drl
>
>
> In drools-camel-server, memory allocation during request/response message handling is quite larger than actual request/response size.
> For example, with attached numbers.drl and JBoss_Benchmark_Request.xml, one SOAP request results in 45MB+ object allocation while the actual request size is 200KB and the response size is 650KB. They are short-lived objects so wouldn't be a memory leak but affect performance especially under high load.

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