Long ParNew Collection Time

Y. S. Ramakrishna y.s.ramakrishna at oracle.com
Tue Jan 11 17:40:48 UTC 2011

On 01/11/11 09:22, Y. S. Ramakrishna wrote:
> I'd do all of this after following Chi-Ho's suggestions
> on swappiness settings, of course. Also, -XX:+AlwaysPreTouch
> to touch all of the heap pages up front, just in case this is an artifact
> of touching the occasional new page(s) for the first time in the
> life of the process and hitting a Linux virtual memory pothole.

Hmm, in that case, i'd normally expect the time to be attributed to system time
(as i'd expect any swapping to as well), so i'm not sure if this will help...

I'll shut up now :-)
-- ramki

> But this is all conjecture of course...
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