Rich

Thanks for that idea - I will give it a try. Makes me wonder what the
point of garbage collection on backup is?

Regards
Paul

> I have this with FB 1 as well. The best way to do this (after a bit of
> experimentation) was to back up with the -g option (to disable garbage
> collection) as I normally restore straight away.
> BTW i add between 200 and 2,000,000 records to 3 tables, run a stored proc
> to process the data, then delete the input data, so there is always a

large

> amount of garbage in there.
> Rich P...
>
> -----Original Message-----
> From: Alan McDonald [mailto:alan@...]
> Sent: 07 August 2002 13:34
> To: ib-support@yahoogroups.com
> Subject: RE: [ib-support] IB 5.6 performance
>
>
> just by coincidence I accidentally added about 20k records to a table the
> other day, then deleted them (delete from table), then backed up the
> database and yep - it took an extraordinary amount of time*thought it was

my

> imagination). It restored in no time flat. I thought it was just a fluke,

or

> me or something else but seing your post here I have to rethink it.
> But how often would you be doing this?
> Alan
> -----Original Message-----
> From: news@... [mailto:news@...]On Behalf Of Paul
> Hope
> Sent: Wednesday, 7 August 2002 22:25
> To: ib-support@yahoogroups.com
> Subject: [ib-support] IB 5.6 performance
>
>
> Hi
>
> Up until now IB performance hasn't been a problem. But strange things
> are
> happening to a new database we are building. The import routine creates
> about 260,000 records in one table.
>
> Having done it I want to delete all the record and start again.
> If I do 'delete from table' followed by a 'select * from table' I would
> expect the latter to take some time because (I believe) it is doing
> garbage
> collection - however I wouldn't expect it to take several hours :-(
>
> Last night I did a 'delete from table' then a backup and restore. The
> backup took 5.5 hours - the restore took 3 minutes!
>
> The server isn't particularly fast (maybe a 300Mhz) but we havn't had

this

> sort of time problem before. The processor is runing at 100% and I

don't

> understand what the memory utilisation is telling me, there looks like
> plenty of free disk space.
>
> Running NT4 sp6a
>
> Could there be an IB problem I can look at - if so where do I look?
>
> Regards
> Paul
>
>
>
>
>
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