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Ramki,<br>
<br>
My favorite javac test didn't show any difference but <br>
my PrintGCStats script needs some work so I'm<br>
not sure I'm looking at all of the stats correctly.<br>
I have some refworkload runs going currently<br>
and will see what pops out tomorrow.<br>
<br>
Jon<br>
<br>
On 11/29/12 15:17, Srinivas Ramakrishna wrote:
<blockquote
cite="mid:CABzyjymgxgkMRs3fJecsB3Uquag8HwwEQUHbxnLtsNgh=EdhaA@mail.gmail.com"
type="cite">Looks good. Would be great to prominently release-note
this change when it appears in a public/GA update/release.<br>
<br>
Out of curiosity, any perf data on CMS pause time diffs from this
change with current NPG?<br>
<br>
-- ramki<br>
<br>
<div class="gmail_quote">On Thu, Nov 29, 2012 at 9:46 AM, Jon
Masamitsu <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:jon.masamitsu@oracle.com" target="_blank">jon.masamitsu@oracle.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
This is a change in the default class unloading policy for
CMS.<br>
<br>
8000325: Change default for CMSClassUnloadingEnabled to
true<br>
<br>
<a moz-do-not-send="true"
href="http://cr.openjdk.java.net/%7Ejmasa/8000325/webrev.00/"
target="_blank">http://cr.openjdk.java.net/~jmasa/8000325/webrev.00/</a><br>
<br>
With perm gen removal it becomes important for CMS to unload<br>
classes to avoid excessive consumption of native memory for<br>
metadata.<br>
</blockquote>
</div>
<br>
</blockquote>
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