User:GWicke/Notes/JVM tuning


 * during heavy write loads, make sure full GC is always enabled (no -XX:+UseCMSInitiatingOccupancyOnly and -XX:CMSInitiatingOccupancyFraction=75)
 * or lower the fraction to 10 or so
 * with few cores, consider incremental CMS
 * G1GC looks more robust without tuning, and almost reaches well-tuned CMS performance.
 * See ,, for background
 * See ,, for background