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Re: 8.0.X and the ARC patent

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: Mark Wong <markw(at)osdl(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, pgsql(at)mohawksoft(dot)com,PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: 8.0.X and the ARC patent
Date: 2005-03-02 15:41:57
Message-ID: 4225DEC5.7080201@fastcrypt.com (view raw or flat)
Thread:
Lists: pgsql-hackers
I was just looking at the config parameters, and you have the shared 
buffers set to 60k, and the effective cache set to 1k ????

Dave

Mark Wong wrote:

>On Tue, Mar 01, 2005 at 05:17:07PM -0500, Tom Lane wrote:
>  
>
>>Mark Wong <markw(at)osdl(dot)org> writes:
>>    
>>
>>>On Tue, Mar 01, 2005 at 04:57:11PM -0500, Tom Lane wrote:
>>>      
>>>
>>>>Curious.  The immediate question is "does it ever flatten out, and
>>>>if so at what TPM rate compared to 8.0.1?"  Could you run the same
>>>>test for a longer duration?
>>>>        
>>>>
>>>The comparison was against 8.0.1, or did you mean 8.0.1 with the 2Q
>>>patch?  I can run a longer duration and see how it looks.
>>>      
>>>
>>My point was that unpatched 8.0.1 seems to have a pretty level TPM
>>rate.  If the patched version levels out at something not far below
>>that, I'll be satisfied.  If it continues to degrade then I won't be
>>satisfied ... but the test stops short of telling what will happen.
>>If you could run it for 2 hours then we'd probably know enough.
>>    
>>
>
>Ah, ok.  I've reapplied the 2Q patch to CVS from 20050301:
>	http://www.osdl.org/projects/dbt2dev/results/dev4-010/313/
>
>I ran it for 3 hours, just in case, and the charts suggest it flattens
>out after 2 hours.
>
>Mark
>
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>
>
>  
>

-- 
Dave Cramer
http://www.postgresintl.com
519 939 0336
ICQ#14675561


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