Re: Configuring PostgreSQL to minimize impact of checkpoints

On Tue, 11 May 2004, 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.
> 
> If the original posters problem is truly a burst write problem (and not 
> linux caching or virtual memory overcommitment) then writeback is key.

the MegaRaid can be configured either way.  it defaults to writeback if 
the battery backed cache is present, I believe.