Roché Compaan wrote:
> On Sat, 2009-11-14 at 14:23 -0700, Shane Hathaway wrote:
>> I think proper construction of horizontally scalable databases must be 
>> done partly at application level, since a lot of the issues to be solved 
>> are specific to the application.
> What are the issues you're talking about?

Every database system has almost countless issues to balance, such as 
durability, consistency, performance, freshness, availability, etc.  The 
demands of horizontal scaling make the issues too complex to completely 
delegate to a database layer.

> Also keep in mind that the dynamic hash needs to handle the introduction
> of new partitions.



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