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z2007-07-26- Dehora Data Scaling Tradeoffs
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last edited by BillSeitz on Aug 1, 2007 2:17 am

on . But I think the juice is in the promise of data consistency. Getting people to compromise the idea of consistent data and semantics for something like high availability ([HA]) is a huge challenge. I suspect plenty of people don't realize that [HA] and are in conflict for larger values of N and where the data is geographically distributed... [OA] incidently, is also committed to trading off data consistency for some other desirable characteristic, probably partitioning (in the guise of separation of business concerns) rather than [HA]. In the consistency workarounds are called "orchestration" which sounds a lot more palatable that "application level joins".

This links via to [Joe Armstrong]'s claim that A system that is [Fault Tolerant] can easily be made scalable and easily made so that we can do in-service upgrade.


 



Bill Seitz, fluxent at gmail dot com, Weblog