[jboss-dev-forums] [jBPM Development] - Unable to execute a BPMN definition with 300 concurrent users

[nageswara Rao]

nageswara Rao [https://community.jboss.org/people/itsnagesh] created the discussion

"Unable to execute a BPMN definition with 300 concurrent users"

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I am doing a performance comparison for executing a process with various bpm vrndors.

PD   : Start ->  Service ->(usertask1,usertask2)

When i run with 50 usres itself i am getting several errors including many transaction failure due to 

1. User task creation taking more time
2. COncurrent modification exception in task service

My queries are 

1. Are there any specific configurations when running with multiple users 
2. Having Human task and proces engine same jvm is better or different
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