> > >
> > > I have a table with 40 million rows and haven't had any performance
> > > issues yet.
> > >
> > > Are there any rules of thumb as to when a table starts getting too big?
> > >
> > > For example, maybe if the index size is 6x the amount of ram, if the
> > > table is 10% of total disk space, etc?
> >
> > My rule here is that a table is too big when performance starts
> degrading beyond an acceptable level.
>
> The challenge there is that if you wait until performance degrades
> beyond an acceptable level, you've allowed yourself to get into a
> situation where clients are upset and frustrated, and fixing the
> problem is difficult because there's so much data to manipulate to
> rearrange things.
>
Apologies, I could/should have phrased that better..
My rule here is that a table is too big when performance starts degrading beyond a MEASURABLE level. :)
Cheers
Martin
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