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

From: Chuck Hamilton <chuck_hamilton_at_hotmail.com>
Date: Thu, 24 May 2001 14:59:42 -0400
Message-ID: <9ejlq0$36shi$1@ID-85580.news.dfncis.de> 






> 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 - 13:59:42 CDT












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