[Bioperl-l] Caching BioCorba server implemented with bioperl-db

[Ewan Birney]

On Sun, 6 May 2001, Hilmar Lapp wrote:

> Ewan Birney wrote:
> > 
> > However: this is both a proof-of-concept and also useful in mid-LAN
> > size with no easy file sharing (NFS) scenarios (like... say... the
> > EBI/Sanger network)- one of the beauties of a system like this is to
> > have only one server where updates/changes occur and cach'ing servers
> > around it: the caching servers will move the load away from the
> > central server and also provide resilence of the system to server
> > failure.
> 
> Does this mean the cache becomes invalidated if the corresponding
> sequence gets updated in the central root server? I.e., does the
> caching server double-check for each request that its current copy
> is recent?

This can be easily worked in (we had a simialr - now defunct - scheme
inside Ensembl). However I think most use-cases would involved a single
sweep around all the cache servers to invalidate the cache.


...I'll work it in today...



> 
> 	Hilmar
> 
> -- 
> -----------------------------------------------------------------
> Hilmar Lapp                              email: hilmarl@yahoo.com
> GNF, San Diego, Ca. 92122                phone: +1 858 812 1757
> -----------------------------------------------------------------
> 

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