> 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
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