Re: Performance question
Posted in 1998
In article <01bcf053$bbb14500$57011814@willie>, "Willie L. Meeks"
<wmeeks@harrahs.com> writes
>I apologize for not sending the onconfig parameters.
>
>SHMTOTAL 768000
>SHMVIRTSIZE 348000
>DS_TOTAL_MEMORY 614000
>DS_MAX_SCANS 1000
>MAX_PDQPRIORITY 60
>DS_MAX_QUERIES 8
>OPTCOMPIND 2>
>Willie L. Meeks <wmeeks@harrahs.com> wrote in article
><01bcefc3$7f535480$57011814@willie>...
>> I have a question related to PDQ. Can any one explain to me why when you
>> run a query with PDQ enabled it appears that your cpu vp's don't work as
>> hard. It appears to me from the results I have observed from my DSS
>system
>> that if I excute 50 without PDQ enabled the box works hard and the
>queries
>> complete faster.
>>
There could be many reasons, I would need an onstat -a to be able
to tell you why..
>> When PDQ is enabled the cpu vp's only are working at about 45 to 50
>> percent of capacity as well as sar reports indicate that this is
>consistent
>> with informix. Can some please give me some advice on possible
>performance
>> gains.
>>
>> WM
>>
--
David Williams
Maintainer of the Informix FAQ
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