[Dovecot] 2.0, hourly performance stats

[Ralf Hildebrandt]

* Timo Sirainen <tss at iki.fi>:
> On 8.11.2010, at 7.34, Ralf Hildebrandt wrote:
> 
> > I'm getting constantly high numbers of page reclaims & involuntary
> > context switches for dovecot/auth.
> 
> Is it intentional that you have both passdb shadow and passdb pam enabled?

If I leave out on of them, the masteruser feature isn't working anymore.
Which one should I be using?

> > type	        real	user	sys	reclaim	faults	swaps	bin	bout	signals	volcs	involcs
> > auth	        205.93	1.32	2.76	25280	0	0	0	0	0	261	1425
> 
> It's still only 2.76 seconds of system CPU from the total of 205 seconds it was running, so that can't really cause the big system CPU usages you see..

Please note that I was measuring this in the morning. I'll have to
keep it running a whole day in order to get "crtiical" values. Then
I'll suffer a beating from my colleagues for thrashing the server :)

> What about after you stop Dovecot? Then you should see lines from the permanently running processes (master, anvil, log).

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
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