Request for review (xs) - 8000325

Srinivas Ramakrishna ysr1729 at gmail.com
Thu Nov 29 23:17:30 UTC 2012


Looks good. Would be great to prominently release-note this change when it
appears in a public/GA update/release.

Out of curiosity, any perf data on CMS pause time diffs from this change
with current NPG?

-- ramki

On Thu, Nov 29, 2012 at 9:46 AM, Jon Masamitsu <jon.masamitsu at oracle.com>wrote:

> This is a change in the default class unloading policy for CMS.
>
> 8000325:        Change default for CMSClassUnloadingEnabled to true
>
> http://cr.openjdk.java.net/~**jmasa/8000325/webrev.00/<http://cr.openjdk.java.net/%7Ejmasa/8000325/webrev.00/>
>
> With perm gen removal it becomes important for CMS to unload
> classes to avoid excessive consumption of native memory for
> metadata.
>
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