> My observation was that the 64bit vservers (nginx + fastcgi PHP)
> appeared to use quite a bit more RSS and LOTS more VSS (not sure how
> much this actually matters though?). I found it workable, but being on
> a rented server the available ram is quite precious and it was a tough
> call to move over to fully 64bit. Previously I have used a 32bit
> apache + modphp setup and not noticed any issues either (I find nginx
> quite a bit easier to manage and much lighter on ram, so largely I
> have switched)
yes 64bit guest seems to have high memory in the VSZ. My little guest
here are 500 RSS but in vserver-stat shows up with 4.8GB of VSZ each :)
cgroups :
==> /dev/cgroup/guest01/memory.stat <==
total_cache 55152640
total_rss 325570560
total_mapped_file 16384
total_pgpgin 12920604
total_pgpgout 12827654
total_inactive_anon 0
total_active_anon 326762496
total_inactive_file 10166272
total_active_file 43786240
total_unevictable 0
CTX PROC VSZ RSS userTIME sysTIME UPTIME NAME
10241 67 4.8G 534.5M 2m16s67 1m09s60 2h36m20 guest01
on the host:
> free
total used free shared buffers cached
Mem: 32963852 26698984 6264868 0 1526392 22373756
-/+ buffers/cache: 2798836 30165016
Swap: 32427680 0 32427680
-- Cordialement, Ghislain