Good point.. Thanks to both of you for the replies. Kannan
________________________________ From: Matthew Dennis <mden...@riptano.com> To: user@cassandra.apache.org Sent: Thu, October 7, 2010 4:59:28 PM Subject: Re: Heap Settings suggestions Keep in mind that .7 and on will have per-CF settings for most things so there will be even more control over the the tuning... On Oct 7, 2010 3:10 PM, "Peter Schuller" <peter.schul...@infidyne.com> wrote: >> What if there is more than one keyspace in the system ? Assuming each >> keyspace has the same number of column families, Can I linearly scale the >> above recommendation to the number of keyspaces in the system .ie, if the >> "X" is the heap size for a single keyspace and there are "Y" keyspaces, Is >> it recommended to allocate "XY" as the max Heap size ? Please let me know. > > Yes. Each column family will have a memtable subject to the configured > memory constraints; whether or not they are in different keyspaces > does not matter. > > -- > / Peter Schuller