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RE: svnadmin load using fsfs is agonizingly slow

From: Keith Bottner <kbottner_at_barkinglizards.com>
Date: 2006-10-03 21:39:04 CEST

Sorry, this is running on a FreeBSD box, so no virus checking going on.

Keith

-----Original Message-----
From: news [mailto:news@sea.gmane.org] On Behalf Of eg
Sent: Tuesday, October 03, 2006 1:41 PM
To: users@subversion.tigris.org
Subject: Re: svnadmin load using fsfs is agonizingly slow

Keith Bottner wrote:
> We have several repositories and our largest repository when svnadmin
> dump'd is approximately 71gigs in size (Takes a very long time to dump
> even though all users are kicked out of the repository so no changes
> will take place.) Restoration of this repository using svnadmin load
> has currently taken over 48 hours and is still NOT complete. I have
> read some threads that specify that fsync is the problem when using
> BDB but I have not seen any threads with a recognized issue regarding
> FSFS. In addition are there any settings that I can use to disable
> fsync during a load? Or any other optimization techniques that I can
> use for svnadmin load with an FSFS type repository?
>

Yikes... 48 hours and still going!!

I am not one of the developers, but that doesn't sound right to me.

I wonder if anything like real-time anti-virus checking is adding to the
slowness of things given the large number of file revisions (I am assuming)?

I also wonder if you fired up sysinternals ProcessExplorer (pointed at
svnadmin) and Filemon would show anything useful? These are useful if you
cant run a debugger and step through the source.

(If you havent used these tools to investigate issues before on Windows,
there is a decent power point presentation here:
http://download.microsoft.com/download/0/1/3/01381C25-72DA-4AA9-B792-43E02A2
43C71/SVR333_Russinovich_Solomon.ppt

)

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Received on Tue Oct 3 21:39:57 2006

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