What is the meaning of this warn?
jcigar at ulb.ac.be
Mon Jul 26 08:10:24 UTC 2010
On 07/26/2010 07:48, Jason wrote:
> My freebsd server offer service to thousands of clients.
> I found lots of warning in the /var/log/message like this :"Approaching
> the limit on PV entries, consider increasing either the
> vm.pmap.shpgperproc or the vm.pmap.pv_entry_max tunable"
You probably have a lot of processes which use shared memory ..?
Enabling superpages (vm.pmap.pg_ps_enabled=1 in loader.conf) should
resolve the problem (superpages have been added in 7.2)
> My question is :
> 1.what is the meaning of PV?
> 2.Although there are lots of this warning,my server works still well.
> Could someone explain the meaning of this warning ?
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