Subject Re: [firebird-support] SMP+HT PART TWO
Author Tanović Branko
Daniel Rail wrote:

>Hi,
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>At December 11, 2004, 09:27, Tanovic Branko wrote:
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>>Hello I running firebird 1.5.1 Classical Server on MDK 10.1
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>>Dual 800 FSB 3.0 GHZ Xeon HT
>>2GB Ram
>>RAID 0+1 WITH 4 x 36GB 15K SCSI HDD.
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>>I would like to optimize my firebird.conf
>>What should i change.
>>On more thing I work with 120MB database curently.
>>I run delete rows it need more than 4 hours to complete.
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>How many rows are deleted? Do you use triggers?
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Yes i have a lots of trigers.

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>>with only 22 % usage for all cpus.
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>Are you using only one connection to the database? If the answer is
>yes, then that would be your answer. When connecting to Classic,
>Classic will spawn a new single-thread process for each connection.
>So, a single connection will only run on one virtual CPU and not use
>all four virtual CPUs. So what you are seeing is one Classic instance
>using CPU time on one virtual CPU.
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Yes only one connection,

Very good explenation could some one make it a FAQ.

>>My questions is what do i need to change in fibird.conf to speed up this.
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>None.
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tnx