Re: 10,000s of column families/keyspaces

2013-07-01 Thread Edward Capriolo
There is another problem. You now need to run repair for a large number of column families and keyspaces and manage that, look out for schema mismatches etc. On Mon, Jul 1, 2013 at 4:09 PM, Robert Coli wrote: > On Mon, Jul 1, 2013 at 9:19 AM, Kirk True wrote: > >> What will it take for C* to s

Re: 10,000s of column families/keyspaces

2013-07-01 Thread Robert Coli
On Mon, Jul 1, 2013 at 9:19 AM, Kirk True wrote: > What will it take for C* to support 50,000 column families? > As I understand it, a (the?) big problem with huge numbers of Column Families is that each ColumnFamily has a large number of MBeans associated with it, each of which consume heap. So

Re: 10,000s of column families/keyspaces

2013-07-01 Thread Hiller, Dean
013 10:19 AM >To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" >mailto:user@cassandra.apache.org>> >Subject: 10,000s of column families/keyspaces > >Hi all, > >I know it's an old topic, but I want to see if anything's changed on the >

Re: 10,000s of column families/keyspaces

2013-07-01 Thread Hiller, Dean
user@cassandra.apache.org>> Date: Monday, July 1, 2013 10:19 AM To: "user@cassandra.apache.org<mailto:user@cassandra.apache.org>" mailto:user@cassandra.apache.org>> Subject: 10,000s of column families/keyspaces Hi all, I know it's an old topic, but I want to s

10,000s of column families/keyspaces

2013-07-01 Thread Kirk True
Hi all, I know it's an old topic, but I want to see if anything's changed on the number of column families that C* supports, either in 1.2.x or 2.x. For a number of reasons [1], we'd like to support multi-tenancy via separate column families. The "problem" is that there are around 5,000 tenants t