Hi All,
We've been asked a question from one of our clients that I'm a little
stumped on.
They run an OLTP database (Oracle 8.1.7), and have recently upgraded their
NT machine to Windows 2000, they were running with 2gb of memory, and
upgraded that to 4gb in the process. As they increased physical memory, they
also increased their SGA size & db_block_buffers.
Since they've upgraded they have noticed a significant decrease in
performance (the way it was described to me was "it was 7 out of 10, and is
now 3 out of 10"..).
Has anybody else done a system upgrade of this nature that has caused less
than desirable effects? Any pointers as to what to look at? We've requested
some stats (top wait stats etc.) and I'll feed these back as and when I get
them - but I thought I'd throw this out to you guys in the vague hope that
someone has experienced some relatively similar experiences.
Cheers!
Mark
===================================================
Mark Leith | T: +44 (0)1905 330 281
Sales & Marketing | F: +44 (0)870 127 5283
Cool Tools UK Ltd | E: [EMAIL PROTECTED]
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http://www.cool-tools.co.uk
Maximising throughput & performance
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