On Wed, Jan 9, 2013 at 4:21 PM, Radim Kolar <h...@filez.com> wrote: > removing max_compaction_threshold in 1.2 was bad move, keeping it low > helps compaction throughput because it lowers number of disk seeks. >
It hasn't been removed, it has been renamed max_threshold and moved into the compaction options map for CQL3 (nothing has changed for thrift or CQL2). The CQL3 reference doc hasn't been updated correctly however, which I'll fix. > > if you have redhat linux, check during install category "performance > tools" or something like that, you will get tools for disk monitoring. > Learn to use them. > Obviously no Cassandra dev has ever heard of a "disk monitoring tool". That's so helpful and not at all condescending for no good reason, thanks Radim. -- Sylvain