According to the following doc,

http://confluence.atlassian.com/display/DOC/Operating+Large+or+Mission-Critical+Confluence+Installations#OperatingLargeorMission-CriticalConfluenceInstallations-LoadTestingEnvironments

For example: You should perform regular load testing to find out how much more load your system can take. The Confluence development team has plenty of load-testing scripts available. Please contact Atlassian Support for more details.

Do you have load-testing scripts for Large or Mission-Critical Confluence Installations in Confluence 2.7.x.