I would guess that Pelops has called remove() on the Thrift API rather than remove_counter().
Check the code in Pelops. If you turn server side logging up to DEBUG it will log "remove" for the non counter call and "remove_counter" for the counter one. Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 23/08/2012, at 7:36 AM, Oleg Dulin <oleg.du...@gmail.com> wrote: > I get this: > > InvalidRequestException(why:invalid operation for commutative columnfamily > > Any thoughts ? > > We use Pelops…