Re: IDEA - put redo logs onto a non-volatile RAM DISK?

Actually,

It should be possible to have a mirrored RAM disk - 2 pci cards, each configured as a separate drive, and configure redo log groups on both drives.

I'd like to give it a try.

thx

Mark

Chuck Hamilton wrote:

> > He talked about *non-volatile* RAM DISK. So there should not be
> > problem against physical failure.
> >
> > But the redolog will probably be to fast. The dbwriter won't keep up
> > and there will be 'checkpoint not finished'
>
> So what's the problem? Logs are always supposed to be on the fastest
> devices, and because of their sequential nature, lgwr will always be faster
> than dbwr. What difference does it make if it's now 10x faster insead of 5x
> faster? Dbwr has always played catch-up and always will.
Received on Thu May 24 2001 - 16:56:40 CDT