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From Colin Clark <>
Subject Re: Digg 4 Preview on TWiT
Date Tue, 06 Jul 2010 10:59:59 GMT
What were the right questions?  I view Facebook's move away from 
Cassandra as somewhat significant.

And are they indeed using HBase then, and if so, what were the right 

On 7/6/2010 5:34 AM, David Strauss wrote:
> On 2010-07-05 15:40, Eric Evans wrote:
>> On Sun, 2010-07-04 at 13:14 +0100, Bill de hÓra wrote:
>>> This person's understanding is that Facebook 'no longer contributes to
>>> nor uses Cassandra.':
>> Last I heard, Facebook was still using Cassandra for what they had
>> always used it for, Inbox Search. Last I heard, there were no plans in
>> place to change that.
> I had the opportunity to talk with some Facebook infrastructure
> engineers in San Francisco over the past few weeks. They are no longer
> using Cassandra, even for inbox search.
> Inbox search was intended to be an initial push for using Cassandra more
> broadly, not the primary target of the Cassandra design. Unfortunately,
> Facebook's engineers later decided that Cassandra wasn't the right
> answer to the right question for Facebook's purposes.
> That decision isn't an indictment of Cassandra's capability; it's
> confirmation that Cassandra isn't everything to everyone. But we already
> knew that. :-)

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