Re: DESIGN QUESTION: Need to update only older data in cassandra

2013-11-20 Thread Aaron Morton
> The problems occurs during the day where updates can be sent that possibly > contain older data then the nightly batch update. If you have a an application level sequence for updates (I used that term to avoid saying timestamp) you could use it as the cassandra timestamp. As long as you know

DESIGN QUESTION: Need to update only older data in cassandra

2013-11-16 Thread Lawrence Turcotte
that is, data consists of of an account id with a timestamp column that indicates when the account was updated. This is not to be confused with row insertion/update times tamp maintained by Cassandra for conflict resolution within the Cassanda Nodes. Furthermore the account has about 200 columns an