Re: [zfs-discuss] Re: Re: Snapshots impact on performance

2006-10-29 Thread Jeff Bonwick
Nice, this is definitely pointing the finger more definitively. Next time could you try: dtrace -n '[EMAIL PROTECTED](20)] = count()}' -c 'sleep 5' (just send the last 10 or so stack traces) In the mean time I'll talk with our SPA experts and see if I can figure out how to fix

[zfs-discuss] Re: Re: Snapshots impact on performance

2006-10-25 Thread Robert Milkowski
Hi. Today again the same problem - however not that severe so I'm not sure if below lockstat is representative. # lockstat -kgIW sleep 5 | less Profiling interrupt: 1968 events in 5.072 seconds (388 events/sec) Count genr cuml rcnt nsec Hottest CPU+PILCaller