Re: Coprosessors/Triggers in C*

2013-06-11 Thread Tanya Malik
Thanks Romain. On Tue, Jun 11, 2013 at 1:44 AM, Romain HARDOUIN wrote: > Not yet but Cassandra 2.0 will provide experimental triggers: > https://issues.apache.org/jira/browse/CASSANDRA-1311 > > > Tanya Malik a écrit sur 11/06/2013 04:12:44 : > > > De : T

Coprosessors/Triggers in C*

2013-06-10 Thread Tanya Malik
Hi, Does C* support something like co-processor functionality/triggers to run client-supplied code in the address space of the server?

Flushing column families individually in cassandra

2013-06-10 Thread Tanya Malik
Is it possible in C* 1.2 to configure column families to be flushed individually? So, if I have 3 CFs, and one of them gets full to 64 MB and the others are only at 5 MB, will only the first full CF get flushed to a SStable? Also, is it possible to configure different sized memtables for differen

SSDs w/ C* only for commit log?

2013-06-10 Thread Tanya Malik
If I understand the C* architecture correctly, in order to increase write speed, I only need to put the commit log on SSDs. When the memtable gets flushed to the SStable file later on, that can go to traditional spinning disks, since that happens much later after the write successful has already b