Hi
>> Search this list for references to "checkpoints". If you run
>> vmstat/iostat for a bit you should see bursts of disk activity at
>> those times.
>
> The most straightforward way to prove or disprove that the slow queries
> line up with checkpoints is to set to checkpoint_warning to a high value
> (3600 should work), which should log every checkpoint, and then see if
> they show up at the same time in the logs.
You guys were spot on. During these pauses the IO goes up high.
I've got the following set:
checkpoint_timeout = 5min
checkpoint_warning = 3600s
log_min_messages = info
But I see nothing in the logs about checkpoints
--
Adrian Moisey
System Administrator | CareerJunction | Your Future Starts Here.
Web: www.careerjunction.co.za | Email: adrian@careerjunction.co.za
Phone: +27 21 686 6820 | Mobile: +27 82 858 7830 | Fax: +27 21 686 6842
