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From Andreas Krey <a.k...@gmx.de>
Subject svn wc&repo performance
Date Tue, 09 Aug 2011 09:06:43 GMT
On Mon, 01 Aug 2011 07:39:59 +0000, Les Mikesell wrote:
...
> SQLlite has years of development and a good reputation for robust behavior. 

I don't doubt that.

> I'd expect it to be hard to match its performance and reliability without 
> an equally long development cycle.

We don't want an SQL server, we want an svn client.

A tool used must not only perform, but also be the proper tool.

> I don't quite understand the point of re-implementing something that is 
> already developed on top of cross platform open source libraries.

Using SQL is a tradeoff between developer time and user time; any
implementation of SQL is obviously not as performant as a domain-specific
serialization can be. Given the large user base of svn, some more thought
in that direction may have been in order.

But I may be barking up the wrong tree. I built svn 1.7 and ran my
small 'second consecutive commit fails' test script with that. It's
not the local operations, but those that act on the repository (here:
file:///...) that take ridiculously long. Each commit and do-nothing
'svn up' takes about a second, for the five files involved. I've come
to expect such operations to be instantaneous.

Andreas

-- 
"Totally trivial. Famous last words."
From: Linus Torvalds <torvalds@*.org>
Date: Fri, 22 Jan 2010 07:29:21 -0800

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