1MB per column family sounds pretty bad to me; is this something I can tweak/workaround somehow?
Thanks Tommaso 2014-07-02 17:21 GMT+02:00 Romain HARDOUIN <romain.hardo...@urssaf.fr>: > The trap is that each CF will consume 1 MB of memory due to arena > allocation. > This might seem harmless but if you plan thousands of CF it means > thousands of mega bytes... > Up to 1,000 CF I think it could be doable, but not 10,000. > > Best, > > Romain > > > tommaso barbugli <tbarbu...@gmail.com> a écrit sur 02/07/2014 10:13:41 : > > > De : tommaso barbugli <tbarbu...@gmail.com> > > A : user@cassandra.apache.org, > > Date : 02/07/2014 10:14 > > Objet : keyspace with hundreds of columnfamilies > > > > Hi, > > Are there any known issues, shortcomings about organising data in > > hundreds of column families? > > At this present I am running with 300 column families but I expect > > that to get to a couple of thousands. > > Is this something discouraged / unsupported (I am using Cassandra 2.0). > > > > Thanks > > Tommaso >
