Add note on performance
Add note on performance

git-svn-id: 5ccfe34f605a6c2f9041ff2965ab60012c62539a@1664066 13f79535-47bb-0310-9956-ffa450edef68

liwangbest/jmeter,irfanah/jmeter,kyroskoh/jmeter,etnetera/jmeter,ubikfsabbe/jmeter,hizhangqi/jmeter-1,DoctorQ/jmeter,vherilier/jmeter,ubikloadpack/jmeter,ThiagoGarciaAlves/jmeter,vherilier/jmeter,ubikfsabbe/jmeter,max3163/jmeter,ubikloadpack/jmeter,max3163/jmeter,ra0077/jmeter,irfanah/jmeter,thomsonreuters/jmeter,max3163/jmeter,ra0077/jmeter,ra0077/jmeter,tuanhq/jmeter,d0k1/jmeter,max3163/jmeter,hizhangqi/jmeter-1,etnetera/jmeter,etnetera/jmeter,d0k1/jmeter,hemikak/jmeter,kyroskoh/jmeter,ra0077/jmeter,fj11/jmeter,hemikak/jmeter,irfanah/jmeter,hemikak/jmeter,DoctorQ/jmeter,liwangbest/jmeter,hizhangqi/jmeter-1,ubikfsabbe/jmeter,ThiagoGarciaAlves/jmeter,liwangbest/jmeter,fj11/jmeter,ThiagoGarciaAlves/jmeter,ubikloadpack/jmeter,vherilier/jmeter,kschroeder/jmeter,d0k1/jmeter,ubikloadpack/jmeter,vherilier/jmeter,tuanhq/jmeter,thomsonreuters/jmeter,fj11/jmeter,hemikak/jmeter,kyroskoh/jmeter,etnetera/jmeter,etnetera/jmeter,tuanhq/jmeter,thomsonreuters/jmeter,ubikfsabbe/jmeter,d0k1/jmeter,DoctorQ/jmeter,kschroeder/jmeter,kschroeder/jmeter