Horton

Re: Configuring PostgreSQL to minimize impact of

J. Andrew Rogers <jrogers@neopolitan.com>

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From: "J. Andrew Rogers" <jrogers@neopolitan.com>
To: Paul Tuckfield <paul@tuckfield.com>, pgsql-performance@postgresql.org
Date: 2004-05-11T22:32:41Z
Lists: pgsql-performance 
On Tue, 2004-05-11 at 14:52, Paul Tuckfield wrote:
> Love that froogle.
> 
> It looks like a nice card.     One thing I didn't get straight is if 
> the cache is writethru or write back.


The LSI MegaRAID reading/writing/caching behavior is user configurable.
It will support both write-back and write-through, and IIRC, three
different algorithms for reading (none, read-ahead, adaptive).  Plenty
of configuration options.

It is a pretty mature and feature complete hardware RAID implementation.


j. andrew rogers