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Re: Revprop caching plan

From: Branko Čibej <brane_at_wandisco.com>
Date: Fri, 22 Aug 2014 13:01:09 +0100

On 22.08.2014 12:56, Stefan Sperling wrote:
> On Fri, Aug 22, 2014 at 01:31:08PM +0200, Stefan Fuhrmann wrote:
>> People will get an error if one of the currently released 1.8 server
>> with revprop caching enabled or svnadmin change a revprop. In
>> that case, a 1.9 process using revprop caching will error out upon
>> revprop access.
>> Local modifications via non-caching pre-1.9 applications may
>> remain invisible to revprop caching 1.9 applications until either
>> a 1.9 application performs a (any) revprop change or the respective
>> process respawns.
> I think we need a repository format bump from 1.8 to 1.9, and disable
> revprop caching in 1.8 and 1.9 for the current format. This should prevent
> unexpected errors when upgrading from 1.8.x (any version) to 1.9.
> Going forward, we should only allow revprop caching in a new repository
> format with a fixed implementation (given a fixed implementation is possible).

We do have a repos format bump on trunk ... the only question is
currently whether it will make it into the 1.9 release.

-- Brane

Branko Čibej | Director of Subversion
WANdisco | Realising the impossibilities of Big Data
e. brane_at_wandisco.com
Received on 2014-08-22 14:01:37 CEST

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