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Venki123Venki123 

Parallel Execution of test class in production using ANT

Hi Team,

Is there any to execute the test classes in parellal in produciton SFDC. If yes can you please guide me with the ant script. What are all issues of parellel run of test classes will it effect code coverage? Your help is highly appriciated.

Thanks and Regards,
Venkatesh
AmitAmit (Salesforce Developers) 
Hello,

Running tests one at a time helps prevent test interference on shared data when tests run at the same time and access the same data. This option is only available on UI and more details can be found at following link :

https://help.salesforce.com/apex/HTViewHelpDoc?id=code_test_execution.htm&language=en_US