Re: index and data tablespaces on two separate drives or one RAID 0?

On 07/06/12 10:05 AM, ach wrote:
>    A) Leave the disk setup as-is, with indexes on one drive and tables on
> another?
>
> OR
>
>    B) Combine the two separate drives into a single RAID 0, put both indexes
> and table data on that RAID, and run from there?

My fastest postgresql servers have everything on one raid10, using 16 or
20 15000 rpm SAS2 drives on a 1gb flash-backed cache controller.

> (the WAL drive I'll be leaving as completely separate and standalone, of
> course)

why?

--
john r pierce                            N 37, W 122
santa cruz ca                         mid-left coast