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Re: svn commit: rev 7770 - trunk/subversion/tests/clients/cmdline/svntest

From: Julian Foad <julianfoad_at_btopenworld.com>
Date: 2003-11-17 19:19:53 CET

Branko Čibej wrote:
> Julian Foad wrote:
>>Ben Collins-Sussman wrote:
>>>On Sat, 2003-11-15 at 18:26, julianfoad@tigris.org wrote:
>>>>* subversion/tests/clients/cmdline/svntest/actions.py
>>>> (guarantee_greek_repository): Import the greek tree because that is faster
>>>> than dumping and loading it.
>>>Did you ask anyone about this? Maybe I missed the thread.
>>No, I didn't.
>>>We used to do this, but deliberately stopped doing it for some reason
>>>that I can't recall. At a minimum, it's an exercise of 'svnadmin
>>>dump/load', which has no regression tests of its own. But I think there
>>>was another reason as well.
>>I guessed there was a good reason for doing it, and guessed that that
>>was because dump+load used to be faster than import, and that the
>>recent performance work had reversed the situation. Now I think about
>>it, it might turn out to be slower than dump+load over RA-DAV; I
>>didn't test that.
>>I didn't think of it being of use as a test in itself.
>>Perhaps we could let it be exercised for a day or so and then I will
>>revert it if people think it is overall not a good thing.
> It's not a good thing, period. The repository loader only depends on the
> dumpfile parser (which is pretty simple and stable) and libsvn_fs, which
> has its own exhaustive tests. "svn import", on the other hand, depends
> on all the libraries. Therefore, using "svnadmin load" to prepare the
> initial tree give us much better confidence that the tests start in a
> consistent state than using "svn import".
> Please revert this change.

Reverted in r7781. Your reasoning seems concise and appropriate so I quoted it in the log message; I hope that's OK.

> And next time, do discuss such things on the list first.


- Julian

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Received on Mon Nov 17 19:18:33 2003

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