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Re: [TSVN] Commit performance

From: Nicklas Norling <exinor_at_exinor.net>
Date: 2005-01-18 22:22:07 CET

Will Dean wrote:

> At 22:01 18/01/2005 +0100, you wrote:
>> That's not the bug, that's the feature ;) The problem is that when
>> the MD5 has been compared and it's
>> been decided that the file is in fact unchanged, the file timestamps
>> aren't reset to match eachother.
> Yes, I know. That's why I didn't say it was a bug! It is a 'problem'
> though, because as you say, it causes a terrible slow-down, with no
> obvious explanation.

I kind of realized you knew, just wanted it to be known to all so
performance measurements could
shed light and not shadow :)

> I suspect it real life, it actually causes gradual 'performance rot',
> which in many ways is even worse than the 'recursively touch
> everything' kind of sudden problem.
I agree completely. I've particularly noted that revert doesn't restore
the time stamps. Every reverted
file should result in MD5 checks after the revert and until the file is
removed (or merged?).


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Received on Tue Jan 18 22:22:42 2005

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