RE: I/O tuning... Allocating spindles to databases

From: <oracle-l-bounce_at_freelists.org>
Date: Thu, 15 Sep 2005 15:33:02 -0400
Message-ID: <ABB9D76E187C5146AB5683F5A07336FF35FC00@EXCNYSM0A1AJ.nysemail.nyenet>

But would something like this ever really happen in real life. We can all make hardware/software fail once we know what its weaknesses are.

Hell, I can make a database server fail. Quite simple really. Walk into the server room and flip the breaker. Shuts down every time!

-----Original Message-----
From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Kevin Closson Sent: Thursday, September 15, 2005 3:26 PM To: jkstill_at_gmail.com; cmarquez_at_collegeboard.org Cc: bob_murching_at_budco.com; oracle-l_at_freelists.org Subject: RE: I/O tuning... Allocating spindles to databases

>>>

>>>It isn't too difficult to write a simulation that will
>>>render the cache useless.

actually quite easy. create a file that is 100 fold larger than cache and do completely random 4KB transfers.

smoked

>>>
>>>
>>>--
>>>Jared Still
>>>Certifiable Oracle DBA and Part Time Perl Evangelist
>>>11+ years of trying to appear to know what I'm doing.
>>>--
>>>http://www.freelists.org/webpage/oracle-l
>>>

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Received on Thu Sep 15 2005 - 14:35:12 CDT