Is there a more detailed document available on CF Histograms? On Sun, May 8, 2011 at 2:39 PM, Jonathan Ellis <jbel...@gmail.com> wrote:
> Timeouts (hence errors) will register at the rpc timeout value. > > On Sat, May 7, 2011 at 1:27 PM, Josep Blanquer <blanq...@rightscale.com> > wrote: > > I believe the offset value of Writes and Reads are in *micro*seconds > right? > > (that page talks about *milli*seconds) > > > > Also, are any timeouts or errors reflected in those times or just > successful > > operations? if not, is there any JMX or other tool to keep track of them? > > > > Josep M. > > > > On Fri, May 6, 2011 at 9:09 AM, Jonathan Ellis <jbel...@gmail.com> > wrote: > >> > >> Those are updated at compaction time. > >> > >> On Thu, May 5, 2011 at 11:38 PM, Xaero S <xaeros...@gmail.com> wrote: > >> > > >> > Can someone point me to a document that explains how to interpret > >> > CFHistograms output? i went through > >> > > >> > > http://narendrasharma.blogspot.com/2011/04/cassandra-07x-understanding-output-of.html > >> > which is a good beginning, but was wondering if there was anything > more > >> > detailed. For e.g when i run CFHistograms, i see rowsize and > columncount > >> > items in the table always 0 (which cant be right?) > >> > > >> > -Xaero > >> > > >> > >> > >> > >> -- > >> Jonathan Ellis > >> Project Chair, Apache Cassandra > >> co-founder of DataStax, the source for professional Cassandra support > >> http://www.datastax.com > > > > > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of DataStax, the source for professional Cassandra support > http://www.datastax.com >
