--- In firebird-support@yahoogroups.com, "Woody" wrote:

>
> > Hi, I have a customer with FB 1.56 sitting on SBS 2008 std and mostly xp
> > clients. In certain areas of the program where activity is heaviest
> > (server side procedures are being run to calculate the data) it takes over
> > 5 minutes to complete the process. I have put their fdb on my system and
> > do not have the same issue. At first I thought this pointed to an issue on
> > their network but then they told me that if they run a backup and restore
> > there is no issue with delays and it runs fine; however, over the period
> > of a day the speed degrades back to the 5 minutes plus for the function to
> > complete. If they back up and restore all is initially well again - but
> > again things degrade over the period of the day. If anyone can tell me
> > what is occurring and how to fix it I would be most grateful.
> >
>
> Along with Svein's good advice, I would also consider looking at the actual
> indexes for high volume tables. I sometimes run a routine that will disable
> all indexes and then re-enable them to update their stats. I forgot to
> re-enable them once and my main client started experiencing the same
> symptoms of slow downs during the day. Make sure you have proper indexes
> created, not excessive, but necessary ones.
>
> HTH
> Woody (TMW)
>

Thanks Woody, It is well indexed.