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Re: Usecase: DB Sharding
This might be of some help:

http://wiki.apache.org/solr/ZooKeeperIntegration

I am not sure if Solr/Lucene has the implementation part done or thats just the design doc.

Also,
http://katta.sourceforge.net/documentation/how-katta-works

thanks
mahadev

On Sep 15, 2011, at 5:24 PM, Uday Subbarayan wrote:

> Hey Guys,
>       Any one used ZK for Database sharding? I am thinking something like this-
> -DB shard info is kept in ZK
> -Application makes the call to ZK first to get the shard info (which database server has what data)
> -Then application connects to right DB for accessing data.
> -Any shard change is communicated to the app with ZK watch.
>
> I see that Rackspace use case  and just checking the community for anyone done it...
>
> Thanks,
> -Uday.