TTL and Cassandra counters

2012-08-26 Thread Avi-h
Hello Our current application uses Cassandra to hold the chat items for user’s conversation and a counter of unread chat messages (per each conversation). We use TTL to delete old chat items, but we fail to see how we can define a call back which will trigger an update (decrease) to the counters’

Counter Column

2012-04-03 Thread Avi-h
I have encountered the following piece of information regarding the use of ‘Counter Column’ in Cassandra: “If a write fails unexpectedly (timeout or loss of connection to the coordinator node) the client will not know if the operation has been performed. A retry can result in an over count” (-

column’s timestamp

2012-04-02 Thread Avi-h
Is it possible to fetch a column based on the row key and the column’s timestamp only (not using the column’s name)? -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/column-s-timestamp-tp7429905p7429905.html Sent from the