<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I don't know who is responsible for documentation but I ran into this @ <a href="http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html">http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html</a>.<div><br></div><div><h3>"Survivor Space Sizing</h3><p>If desired, the parameter <code>SurvivorRatio</code>
can be used to tune the size of the survivor spaces, <b>but this is often
not as important for performance</b>. <----</p></div><div><br></div><div>Sorry to disagree but I find proper survivor space sizing to be critical to good GC performance more than 1/2 of the GC problems I run into a due to premature promotion of object due to improperly sized survivor spaces. This leads to frequent full GCs.</div><div><br></div><div>Regards,</div><div>Kirk</div></body></html>