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From Paul Carey <paul.p.ca...@gmail.com>
Subject Re: Performance drop after upgrading erlang
Date Fri, 14 Aug 2009 16:23:39 GMT
Paul

I'm not sure I did, so I deleted the install completely, re-installed
and am running via ./utils/run so I'm pretty sure there's no detritus
hanging around.

After re-running the test suite 3 times the avg run time on 0.9.1 was
47s and and on 0.10 (804278) was 31s.

On Fri, Aug 14, 2009 at 4:50 PM, Paul Davis<paul.joseph.davis@gmail.com> wrote:
> Paul,
>
> That's most odd. This is the first i've heard of a performance drop
> after upgrading Erlang. When you re-built CouchDB did you make sure
> that there weren't old beam files in the build directory?
>
> Paul
>
> On Fri, Aug 14, 2009 at 11:44 AM, Paul Carey<paul.p.carey@gmail.com> wrote:
>> Hi
>>
>> I've been behind the curve in my otp version, running R12B (5.6.3)
>> until just now.
>>
>> Using R12B, the 0.9.1 test suite ran to completion in about 12s.
>>
>> I've just upgraded to R13B01 (5.7.2) and now the 0.9.1 test suite
>> takes about 50s - 60s to complete. This is a big difference. Is it
>> expected or have I got problems?
>>
>> I'm running OS X 10.5.8 and simply ran ./configure without any flags
>> when building both Erlang and CouchDB. I re-ran ./configure and make
>> for CouchDB after upgrading Erlang.
>>
>> Many thanks
>>
>> Paul
>>
>

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