Re: Sun vs. Mac

--- Andrew Sullivan <andrew@libertyrms.info> wrote:
> On Tue, Jan 14, 2003 at 09:50:04AM -0800, CaptainX0r wrote:
> > the G3.  FWIW, top shows postgres slowly taking up all the
> CPU -
>
> Son't use top on Solaris 8.  It's inaccurate, and it affects
> the results itself.  Use prstat instead.

Thanks for the tip.  Unfortunately it shows the same exact
thing.

> > This doesn't really tell me much, except I'm guessing that
> PG is
> > CPU bound?
>
> It looks that way.  I've had iostat show CPU-bound, however,
> when the problem actually turned out to be memory contention.

> I think you may want to have a poke with vmstat, and also have

> a look at the SE toolkit.

I'll have a look at the SE toolkit - thanks.

vmstat shows me this:
# vmstat -s
        0 swap ins
        0 swap outs
        0 pages swapped in
        0 pages swapped out
   125452 total address trans. faults taken
    35245 page ins
       60 page outs
   194353 pages paged in
      229 pages paged out
   184621 total reclaims
   184563 reclaims from free list
        0 micro (hat) faults
   125452 minor (as) faults
    31764 major faults
    10769 copy-on-write faults
    80220 zero fill page faults
        0 pages examined by the clock daemon
        0 revolutions of the clock hand
      170 pages freed by the clock daemon
      601 forks
       19 vforks
      577 execs
   370612 cpu context switches
  1288431 device interrupts
   148288 traps
  1222653 system calls
   294090 total name lookups (cache hits 48%)
    43510 user   cpu
     4002 system cpu
   480912 idle   cpu
    13805 wait   cpu

 procs     memory            page            disk
faults      cpu
 r b w   swap  free  re  mf pi po fr de sr s6 sd -- --   in   sy
  cs us sy id
 0 0 0 815496 538976 31  21 261 0  0  0  0  0 12  0  0  136  209
  65  7  1 92

I've not much experience with this, it looks like there are
considerably more page ins than outs as compared to our other
solaris boxen but otherwise pretty normal.

-X

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