title: Can we trigger Full GC manually or with parameter at some percent of heap, is that suggestible
body: <p>I am working on digital image processing. when I tried with higher resolution images with load, I am getting lot OOM issues.</p>
  
  <p>I am using these startup parameters with application</p>
  
  <pre><code>-Xms10240m -Xmx10240m -XX:NewRatio=3 -XX:+PrintFlagsFinal -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=80 -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+PrintGCDetails -XX:+PrintGCTimeStamps
  </code></pre>
  
  <p>I cannot affordable to increase heap memory.</p>
  
  <p>So, can I trigger Full manually at some percentage of heap, If possible.
  running manual is suggestible operation ??</p>