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Re: question for FSFS gurus (was: Re: FSFS successor ID design draft)

From: Ivan Zhakov <ivan_at_visualsvn.com>
Date: Mon, 5 Sep 2011 14:50:48 +0400

On Mon, Sep 5, 2011 at 14:43, Daniel Shahaf <danielsh_at_elego.de> wrote:
> Ivan Zhakov wrote on Mon, Sep 05, 2011 at 13:57:51 +0400:
>> On Mon, Sep 5, 2011 at 13:52, Stefan Sperling <stsp_at_elego.de> wrote:
>> > On Mon, Sep 05, 2011 at 01:46:09PM +0400, Ivan Zhakov wrote:
>> >> On Mon, Sep 5, 2011 at 13:41, Stefan Sperling <stsp_at_elego.de> wrote:
>> >> > On Thu, Sep 01, 2011 at 12:06:40AM +0200, Stefan Sperling wrote:
>> >> >> On Tue, Aug 30, 2011 at 12:43:29PM +0200, Stefan Sperling wrote:
>> >> >> > I'll try to tweak my proposal such that successor ID updates become
>> >> >> > transactional and happen as part of every commit.
>> >> >>
>> >> >> Here's a first shot at this. Comments welcome.
>> >> >
>> >> > FSFS gurus:
>> >> >
>> >> > Are any of you looking at this?
>> >> > Do you think this is worth writing a prototype implementation for?
>> >> >
>> >> > I have so far only received feedback from danielsh. This makes me very
>> >> > happy but if anyone with a couple more years of FSFS experience under
>> >> > their belt could comment I would be even happier.
>> >> >
>> >> I'm not FSFS guru, but I still feel that FSFS successor ID doesn't
>> >> worth to be implemented because there is no strong reasons/usage for
>> >> it. For me it looks like bottom-up design approach.
>> >
>> > Hmmm... you don't think that auto-resolving tree-conflicts involving
>> > moves during merges is worth implementing?
>> >
>> No, I think that auto-resolving tree-conflicts involving moves is most
>> important task for Subversion 1.8. But I feel it could be implemented
>> without implementing FSFS successor ID storage. It seems that
>> algorithm that you posted could be reversed.
>>
>
> What do you mean by 'reversed'?
>
I mean to iterate over added_nodes (instead of deleted_nodes).

-- 
Ivan Zhakov
Received on 2011-09-05 12:51:53 CEST

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