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From yaw <>
Subject Storing application logs into Cassandra / design question
Date Fri, 02 Jul 2010 13:10:09 GMT
Hi all,
I'd like to store logs of my application into cassandra.

I need to query logs by date (last X logs) or  user (give me last X logs for
 user Y )  and I want to dispatch data among several servers.

I think  the best design way  is  following :

Each  log identifier is a time based UUID.

A CF with key = UUID /  *Random Partitioner*  will contain log message =>
allows me to split real data  evenly between nodes

A CF with key = UUID   and *order*-*preserving partitioner * allow me to get
last X logs

A CF with key = userID   and columns name are UUIDs (UUID sorted) =>   allow
me to get last X logs  of user Y

Am I right ?

Many thanks

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