Re: OutOfMemory on count on cassandra 0.6.8 for large number of columns

2010-12-12 Thread Dave Martin
Thanks Tyler. I was unaware of counters. The use case for column counts is really from a operational perspective, to allow a sysadmin to do adhoc checks on columns to see if something has gone wrong in software outside of cassandra. I think running a cassandra-cli command such as count, which mak

OutOfMemory on count on cassandra 0.6.8 for large number of columns

2010-12-11 Thread Dave Martin
Hi there, I see the following: 1) Add 8,000,000 columns to a single row. Each column name is a UUID. 2) Use cassandra-cli to run count keyspace.cf['myGUID'] The following is reported in the logs: ERROR [DroppedMessagesLogger] 2010-12-12 18:17:36,046 CassandraDaemon.java (line 87) Uncaught exce