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Re: [Monotone-devel] Re: Sanity checking

From: Logan Sackette
Subject: Re: [Monotone-devel] Re: Sanity checking
Date: Wed, 13 Apr 2005 08:01:22 -0700 (PDT)

Excuse my ignorance.  Are the sanity checks there
because Monotone uses an embedded SQL server (SQLite)
instead of a external SQL server (MySQL/PostgreSQL)?


--- Nathan Myers <address@hidden> wrote:
> On Wed, Apr 13, 2005 at 02:25:01PM +0100, Bruce
> Stephens wrote:
> > 
> > Or is there some repeated sanity checking which
> wouldn't be too hard
> > to remove?  (A timestamp of the last time a
> paranoid monotone
> > successfully ran on a repository, or something?) 
> That wouldn't help
> > the initial experience of pulling from a big
> repository (although I
> > guess you could have the sending repository give
> an assurance of
> > sanity, if you could believe it).
> These both sound like really good ideas.  (I would
> say "sequence number"
> instead of "timestamp".)  An option to say you trust
> (or mistrust) a 
> remote repository's assurances about the sanity of
> its database is very 
> different from one that simply turns off checking,
> but the effect on 
> runtime is the same.
> Another way to reduce the amount of sanity-checking
> needed would be to 
> identify incremental subsets of the database that
> can be marked as
> already-checked, individually, and then then only
> recheck the parts
> that changed since last time.  
> Nathan Myers
> address@hidden
> _______________________________________________
> Monotone-devel mailing list
> address@hidden

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