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Re: Slow BDB tests on OS X (was Re: How did this ever work? ...)

From: Mark Phippard <markphip_at_gmail.com>
Date: Mon, 1 Dec 2008 14:40:50 -0500

On Mon, Dec 1, 2008 at 2:16 PM, C. Michael Pilato <cmpilato_at_collab.net> wrote:
> Mark Phippard wrote:
>> On Mon, Dec 1, 2008 at 10:31 AM, Hyrum K. Wright
>> <hyrum_wright_at_mail.utexas.edu> wrote:
>>> David Glasser wrote:
>>>> Wow, um, I admit it's been a while since I've ran bdb tests on my Mac, but
>>>> they are just ridiculously slow! Even fs-test took minutes to run (way
>>>> slower than fsfs), and the python tests are worse. Is this normal?
>>> It is for me, unfortunately, and I think Mark has reported similar behavior.
>>
>> Yes, looking at the tests.log it was taking several seconds each time
>> it creates a repository, load etc. Then the test itself looked fairly
>> normal.
>>
>> Of course running svnadmin create from command line did not show same
>> behavior. I have tried different BDB's etc. Not sure what the cause
>> is here.
>
> Well, if keyboard input is a source of entropy (as I believe it is) it makes
> sense typing "svnadmin create foo" on the command-line wouldn't suffer the
> pause -- you just added entropy to the reservoir thereof. See if running
> the tests (or some subset thereof) goes faster if you jiggle your mouse the
> entire time the tests run.

I am usually doing normal work and running tests in a terminal. So
there should be plenty of entropy.

-- 
Thanks
Mark Phippard
http://markphip.blogspot.com/
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Received on 2008-12-01 20:41:03 CET

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