I started the revprop-sqlite branch and Kamesh took over. It was
deleted for some reason in r29147.
It worked fine, I think.
--dave
On Sat, Oct 18, 2008 at 7:31 AM, Mark Phippard <markphip_at_gmail.com> wrote:
> On Sat, Oct 18, 2008 at 6:24 AM, Hyrum K. Wright
> <hyrum_wright_at_mail.utexas.edu> wrote:
>> Greg Stein wrote:
>>> Since you've already added sqlite, then you can simply go another
>>> step: put the revprops in there. (I'd suggest as a separate dev effort
>>> tho)
>>
>> That was my thought exactly (same with the fsfs locks storage, too). My only
>> concerns are scalability and consistency on something like NFS. If we lose data
>> from the rep-cache sqlite database, that doesn't impact the correctness of the
>> repository. If something happens to revprops, it's a different story.
>
> I seem to recall that Kamesh had started a branch for storing revprops
> in SQLite back when we were doing 1.5 and SQLite was part of the
> repository. I do not see a branch though so I am not sure if it was
> deleted when we purged SQLite from the repository or perhaps he just
> never got started with it.
>
> The pack idea certainly becomes less useful without doing the revprops
> as they were likely going to give the biggest space savings on
> average. Of course if the revprops wind up in something like SQLite
> you will not need to use pack to get that savings.
>
> Finally, on the locking concerns you post for SQLite, I was under the
> impression that fsfs itself had the same requirements and would also
> have problems on buggy NFS implementations.
>
> --
> Thanks
>
> Mark Phippard
> http://markphip.blogspot.com/
>
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--
David Glasser | glasser@davidglasser.net | http://www.davidglasser.net/
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Received on 2008-10-21 01:57:33 CEST