Although MCPD may default to 700centiseconds [although I have seen a much lower value on 9.2 on Tru64],
in most cases, delays of 7seconds don't occur [and shouldn't be acceptable ?!].
I do have a 9iRAC environment but am comfortably using mcpd=0.
And I have AQ in an 8.1.7 single-instance environment.
So I can't make any statements about AQ in OPS/RAC !
Hemant
At 07:05 AM 17-06-03 -0800, you wrote:
A colleague casually mentioned that in RAC, the test to de-queue an AQ set-up from BOTH instances didn't succeed. The side where we were enqueuing was able to see queued messages faster than the 'other' side. About 7-8 seconds ... that got me thinking ... is this an effect of MCPD which defaults to like 7 seconds?
Do you use AQ in RAC and enqueue/dequeue on both nodes? What is your experience?
ps: mcpd - max commit propagation delay
TIA
Raj
--------------------------------------------------------------------------------
Rajendra dot Jamadagni at nospamespn dot com
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QOTD: Any clod can have facts, having an opinion is an art !
Oracle 9i Database Administrator Certified Professional
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