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From Ted Zlatanov <>
Subject Re: bitmap slices
Date Tue, 02 Feb 2010 14:05:18 GMT
On Mon, 1 Feb 2010 12:55:01 -0600 Jonathan Ellis <> wrote: 

JE> 2010/2/1 Ted Zlatanov <>:
>> My list of things I need for predicate queries across column and
>> supercolumn names:
>> - bitmask (OR AND1 AND2 AND3 ...).  This would make my life easier and
>>  take load off our Cassandra servers.  Currently I have to scan the
>>  result sets on the client side to find the things I need.

JE> here's the thing, though, and this is a main reason why cassandra
JE> keeps things simple: doing work on the client typically results in
JE> *less* load on the server.

I'm OK with loading the server a little more if it means the client gets
20 instead of 20K results.  Those that don't want to use this can do a
regular query, filter client-side, and keep load off the server.


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