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Re: upgrade from 1.3 to 1.5 - if possible should include a dump & load?

From: Steve Whitson <steven.whitson_at_gmail.com>
Date: Wed, 10 Sep 2008 09:29:13 -0500

Mark Phippard wrote:
> On Wed, Sep 10, 2008 at 10:04 AM, Steve Whitson
> <steven.whitson_at_gmail.com> wrote:
>
>> I'm planing on upgrading from 1.3.1 to 1.5.2 in the near future. I've
>> worked with the svnadmin upgrade sub-command as well as the
>> svn-populate-node-origins-index tool w/in 1.5.2, along with the need for
>> both, and performed some migration-upgrades to another system-location
>> (using svn switch --relocate). The process seems fairly simple.
>>
>> My two questions wrt 1.4 are:
>> 1. to get the benefits of 1.4 with regard to repository size, must I dump
>> and load my repositories?
>> 2. to get the benefits of smaller/faster network traffic must I dump and
>> load my repositories?
>>
>> I ask due to what I found in the 1.4 release notes:
>> In Subversion 1.4, the svndiff format has been improved to use much less
>> disk space up to 50% less on plain text files in some cases. Thus, if you
>> choose to dump and reload your repository, the new repository should be
>> noticeably smaller on disk. (Make sure to svnadmin create the new repository
>> using svnadmin 1.4.) Additionally, if a client and server are both version
>> 1.4 , then network traffic becomes smaller and faster.
>>
>> Also (wrt 1.5), is it recommended to dump and load them when possible
>> between such upgrades? Based on the 1.5 release notes I'll get the new
>> features of 1.5 by just preforming the upgrade operation, but the svnadmin
>> upgrade subcommand says two things that lead me to believe a dump and load
>> would be better when possible:
>> -the upgrade performs only the minimum amount of work needed to
>> accomplish this
>> -It does not guarantee the most optimized repository state as a dump and
>> load would.
>>
>
> It sounds like you understand everything. You would most likely want
> to do a dump/load so that you could pick up the benefits of a 1.4
> repository and 1.5 at the same time. svnadmin upgrade will not get
> you any of the 1.4 improvements.
>
>
Can I perform the dump of 1.3.1 repositories using the 'svnadmin dump'
from my 1.5.2 installation (I plan on piping the dump directly into the
load)?
Received on 2008-09-10 16:29:42 CEST

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