Pat: Im pretty sure you can build a twitter clone with django and make
it scale pretty well with replication but you still have a single
point of failure if the master db gets to much load. Im thinking
about simpleDB from amazon. I wonder if that would be a good platform
to build something twitter-like on.
On Jun 8, 10:42 am, Pat <[EMAIL PROTECTED]> wrote:
> I'm not certain I understand what you're asking because high available
> isn't exactly related to distributed systems. I think you're asking
> about sharding (partitioning of data across multiple databases). If
> that's your question, then the answer is yes, it can be done. It's
> just writing a custom backend, tweeking managers, etc. The deep
> truth is, however, that all you would be doing is building the Google
> App. Engine. The question is why not start there.
>
> As it turns out, twitter is not an example of decentralized
> distributed system though ("We currently use one database for writes
> with multiple slaves for read queries"
> ~http://blog.twitter.com/2008/05/its-not-rocket-science-but-its-our-wo...).
> Their problems aren't really related to a lack of sharding as much as
> they are querying on a many-to-many model I think. There's a good
> blog out there on the problem but I can't find the link.
>
> On Jun 7, 7:11 am, lgr888999 <[EMAIL PROTECTED]> wrote:
>
> > Im curious to hear if theres any django developer that has built any
> > decentralized distributed system with help of django? I know building
> > a website doesnt include any scaling problems in the beginning, im
> > asking more out of personal interests in high availability. If you
> > dont have any experience with it feel free to post your thoughts of
> > how you would build a huge decentraliced system. Now of course it
> > would depend on what the purpose of the system is so lets just take
> > twitter as an example. :)
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