Hi
>>> If I tail the logs, I see a steady stream of functions that took
>>> longer then 5 seconds. But every now and then I see nothing for 3
>>> minutes and after that a whole bunch (about 20 - 30) queries all
>>> finishing at the same second.
>>
>> 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.
>>
>> Counter-intuitively you probably want *more* checkpoints (with less
>> data to write out each time), but see the list archives for
>> discussion. Also check the manuals for some background info.
>
> We use a lot of checkpoints in our database, we don't care about these
We use a lot of temporary tables in our database, sorry.
> much. We think this is causing the checkpoint to write a lot of data at
> checkpoint time. Can we stop this behavior ?
>
--
Adrian Moisey
System Administrator | CareerJunction | Your Future Starts Here.
Web: www.careerjunction.co.za | Email: adrian@careerjunction.co.za
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