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10-10-2005 02:36 AM
10-10-2005 02:36 AM
Message queues
We had issues recently on our HP-UX 11.11 system with message queues and our 3rd party application supplier has suggested doubling the parameter related to message queues. Would I be right in thinking the kernel parameter in question would be msgmni? If so, does anyone see a problem in changing its setting from 300 to 600?
Thanks and regards
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10-10-2005 02:43 AM
10-10-2005 02:43 AM
Re: Message queues
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10-10-2005 02:43 AM
10-10-2005 02:43 AM
Re: Message queues
I would suggest reading through SAM's Help on Configurable Kernel Parameters section on message queues. The message queues are allocated from swappable memory, so doubling the number of them is going to have some impact on memory availability. Take that into consideration when deciding. If you're experiencing any memory pressure now, you're going to want to go slowly here.
Pete
Pete
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10-10-2005 02:46 AM
10-10-2005 02:46 AM
Re: Message queues
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10-10-2005 02:48 AM
10-10-2005 02:48 AM
Re: Message queues
Thanks
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10-10-2005 02:49 AM
10-10-2005 02:49 AM
Re: Message queues
I see no big problem in changing "msgmni" but
pay attention because maybe a rebuild of kernel it's needed (and subsequent reboot) and also (if i don't go wrong) some modification
on other (at least one) kernel parameters.
regards
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10-10-2005 02:55 AM
10-10-2005 02:55 AM
Re: Message queues
for Oracle: read documentation (precondition)
about your Oracle rdbms version (there
are always the right range for kernel parameters on HP-UX server).
hth
regards
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10-10-2005 09:19 PM
10-10-2005 09:19 PM
Re: Message queues
Thanks again!