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Re: XML and libsvn_wc performance

From: Max Bowsher <maxb_at_ukf.net>
Date: 2003-11-12 03:18:34 CET

Branko Čibej wrote:
> Jason Voegele wrote:
>
>> I've been browsing through the issues list looking for things I
>> might be able to lend a hand toward, and performance of checkouts
>> has piqued my interest.
>>
>> Issues #1429 and #1490 indicate that XML parsing in libsvn_wc has a
>> fairly significant impact on performance. What seems to me an
>> obvious (partial) solution has not yet been mentioned, perhaps
>> because I am not seeing the whole picture, or the solution I'm
>> proposing is too radical a change for this stage of Subversion
>> development. What I'm getting at is why use XML for
>> the .svn/entries files at all? Why not replace it with a simpler
>> file format and a lex/yacc based parser?
>>
>>
> Ouch. Let's stay away from lex or yacc, we have enough dependencies as
> it is.

Um... svn *already* uses bison or yacc. libsvn_subr/getdate.y

Max.

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Received on Wed Nov 12 03:19:57 2003

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