title: what is the best way to change Heap size of Jmeter which gives :OutOfMemoryError
body: <p>I am trying to change the size of my jmeter(version 4) heap size from  set HEAP=-Xms1g -Xmx1g -XX:MaxMetaspaceSize=256m to more as i have system with 64bit, 16GB RAM but unable to change it.</p>
  
  <p>i have tried a lot but nothing works for me.</p>
  
  <p>can any one here help me out with this issues.</p>
  
  <p>Thanks in Advance!!</p>