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Re: How to enable Async I/O on Solaris

From: Roby Sherman <rxsherm_at_interealm.com>
Date: Fri, 10 Nov 2000 13:19:01 -0600
Message-Id: <10676.121789@fatcity.com> 





Tom Pall wrote:



> The default for disk_async_io is true.

>

> Either async i/o is support or not.  T'ain't supported on

> Solaris unless you have raw devices.

>

> Oracle defaults async_io to true on Solaris for two reasons:

> 1) If not available, the call  _should_ fail quickly, Oracle retries

> without async.

>




Yes, but it is still wasting CPU time with double calls and stack
re-arrangements. At least the buffer is pointer in memory. :)
Received on Fri Nov 10 2000 - 13:19:01 CST












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