As of s10u4, (and nevada build 56?) rcapd (and prstat -ZJTta) account for shared memory (both sysV, anon, and text) between processes in the same zone, project, etc.
-Steve L. On Wed, Jun 18, 2008 at 01:13:21PM -0500, Brian Smith wrote: > My reading of the documentation is that if I try to cap the memory of a > zone, that cap applies to the total RSS, calculated by summing the RSS of > each process in the zone. According to the documentation, there is not any > accounting for processes sharing memory. For example, if I have 10 processes > with private RSS of 2MB each and shared RSS of 100MB, then the zone would be > considered to be using 10*(2+100)=1,020MB of memory, and not 100+2*10=120MB > of memory. Restricting the zone to 500MB would make it practically unusable > even though only 120MB of memory is being used. Is that correct? Is there > any way to cause rcapd to take shared memory into account when deciding > which zones to start swapping to disk? > > Regards, > Brian > > _______________________________________________ > zones-discuss mailing list > zones-discuss@opensolaris.org _______________________________________________ zones-discuss mailing list zones-discuss@opensolaris.org
