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Re: Speed issues with ra_neon to remote repositories

From: Hyrum K. Wright <hyrum_at_hyrumwright.org>
Date: Wed, 24 Jun 2009 10:13:36 -0500

On Jun 24, 2009, at 10:05 AM, John Beranek wrote:

> Bob Archer wrote:
>>> Bob Archer wrote:
>>>>> OK, so on the surface ra_svn is clearly the solution...except
>>>>> you can't do transparent proxying of reads/writes to a local
>>>>> slave with ra_svn...so you're going have to get to the
>>>>> situation of doing general read operations from the local
>>>>> slave, either with ra_svn or ra_neon and then when you do a
>>>>> (large) commit have to switch to
>>> using
>>>>> ra_svn. This will either require a deal of effort for the
>>>>> individual engineer, or a script to perform this for them.
>>>> My first question would be, do you "really" need the
>>>> slave/mirrors?
>>> We have development that is shared across sites. So, yes.
>>>
>>> John.
>>
>> We do too... three sites. Yet, we only have a single repo server at
>> one site that all users access.
>
> That wouldn't help though - commits from India direct to the UK master
> are still _very_ slow.

Subversion's HTTPv2, a reduced-turnaround implementation of the DAV
protocol will debut in Subversion 1.7. It doesn't help you *now*, but
hopefully it will have significant impact on high-latency links, such
as from India to the UK. You can read about it here: http://svn.collab.net/repos/svn/trunk/notes/http-protocol-v2.txt

-Hyrum

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Received on 2009-06-24 17:15:43 CEST

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