Why abortable-preclean phase is not being aborted after YG occupancy exceeds 50%?

[Damon Hart-Davis]

Hi,

Could it be paging when not all of the JVM heap is (able to be) in physical memory at the same time?

Rgds

Damon


On 22 Aug 2012, at 09:03, Srinivas Ramakrishna wrote:

> I am not sure why, with regular CMS, we should have this kind of upredictable delay from a scavenge to a CMS initial mark.
> It must be OS/scheduling and load etc. which we cannot control (although a delay of 177 s seems excessive and must either mean
> that the CMS wait duration was exceeded or something like that.