That's a pretty scary number of "fluff" records 36 - 72 million a year. We
have a DB with 100 million + records and it gets a little flustered if you
ask it the wrong question (that requires multiple index merges).

JAC

""Raul Chirea"" <raul_chirea@...> wrote in message
news:013601c2226e$d89fbf50$0100a8c0@raul...

> Hi Bob,
>
> From: "Bob Lazarchik" <bob5407@...>
>
>
> > I have a log database used in manufacturing tools that creates up to
> 100,000 - 200,000 entries
> > daily. I need to clean out records that are more than 8 days old on a
> daily basis and I am looking
> > for some ideas on how to do this. The constraints are that this tool

must

> continue to run during
> > the clean up process. The options I've tried suck up alot of CPU time

and

> interfere in the
> > operation of the tool (timing is a very big issue in the type of testing
> this tool does) . I thought
> > about spawing a thread with its own connection once a day to do this
> cleanup but am unsure of
> > how safe this is. I have SP's in the database for doing the deletions.

I

> am running Firebird v.
> > 1.0.0.679 and am using Delphi 6 client/server.
>
> Did you considered the posibility of not deleting those records at all,
> eventually, just marking them as unused using a "boolean" field ? If you
> have enough disk space and the right indexes this should be an option !
>
> Regards !
> Raul.
>
>
>
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