Try help on the CLI for how to do it, specifically "help update column family;" It looks like you're missing the "with."
update column family columnfamily2 memtable_throughput=155; should be update column family columnfamily2 with memtable_throughput=155; On Jul 27, 2011, at 12:49 PM, lebron james wrote: > sorry, i dont understand, what right syntax to set memtable_throughput? > > >