Re: [GENERAL] Scalability to very large databases under Linux

> Dear Folks,
>
> We have been running 6.4.2 under Linux on a dual Xeon box
> with mostly good success.  Our current dataset is 20 million records
> of mostly numerical data (56 fields of floats [70%], ints [20%] and
> a few text fields [10%]).  The performance is acceptable, the only
> problem so far has been the difficultly in floating type promotion
> "confusing" the optimizer.
>
> Our database is about to expans to 150 million records.  Given
> sufficient diskspace (e.g. a larger RAID array) will postgres
> perform on this volume?  Are there any gotchas?  General comments
> from people with experience with databases of this volume under
> postgres?

The optimizer is overhauled in 6.5, due out in a day or two.  I
recommend an upgrade.  Optimizer should get less confused.

--
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