Performance!

[Krassimir Slavchev]

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Hello,

Results with lock_manager and select patches and kern.hz=100
#threads        #transactions/sec
1               582
5               2083
10              2030
20              2421
40              1739
60              1409
80              1124
100             1034

This is with the BETA4. May be I should upgrade to RC1?
I will collect lock profiling statistics again.

Best Regards

Kris Kennaway wrote:
> Kris Kennaway wrote:
>> Krassimir Slavchev wrote:
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>>> Hello Kris,
>>>
>>> Here is the lock profiling results, see the attachment.
>>>
>>> Please, let me know if you want ssh access to this machine?
>>
>> Thanks, this is very interesting.  The problem is already fixed in 8.0
>> but we were not seeing it being this much of a factor on our test
>> hardware.  Possibly it is due to your CPUs being moderately faster and
>> causing a timing difference.  Anyway, try this patch.  If there is
>> still a performance deficit then repeating the lock profiling will be
>> useful.
>>
>> Kris
>>
>>
> 
> Now with actual patch.
> 
> Kris
> 

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