On Tue, Jul 23, 2013 at 5:05 AM, aaron morton [via cassandra-u...@incubator.apache.org] < ml-node+s3065146n7589236...@n2.nabble.com> wrote:
> “/Insert-heavy workloads will actually be CPU-bound in Cassandra before > being > memory-bound/” > > What is the source for that ? http://www.datastax.com/docs/0.8/cluster_architecture/cluster_planning > > This is because everything is > *first *written to the commit log *on disk*. Any thoughts?? > > Pretty much. > > Cheers > > ----------------- > Aaron Morton > Cassandra Consultant > New Zealand > > @aaronmorton > http://www.thelastpickle.com > > On 22/07/2013, at 8:58 AM, hajjat <[hidden > email]<http://user/SendEmail.jtp?type=node&node=7589236&i=0>> > wrote: > > “/Insert-heavy workloads will actually be CPU-bound in Cassandra before > being > memory-bound/” > > However, from reading the documentation > (http://www.datastax.com/docs/1.2/dml/about_writes) it seems the disk is > the > real bottleneck in Writes rather than the CPU. This is because everything > is > *first *written to the commit log *on disk*. Any thoughts?? > > > > -- > View this message in context: > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Are-Writes-disk-bound-rather-than-CPU-bound-tp7589191.html > Sent from the [hidden > email]<http://user/SendEmail.jtp?type=node&node=7589236&i=1>mailing list > archive at > Nabble.com. > > > > > ------------------------------ > If you reply to this email, your message will be added to the discussion > below: > > http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Are-Writes-disk-bound-rather-than-CPU-bound-tp7589191p7589236.html > To unsubscribe from Are Writes disk-bound rather than CPU-bound?, click > here<http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=7589191&code=aGFqamF0QHB1cmR1ZS5lZHV8NzU4OTE5MXw4NTA5MDAwMjU=> > . > NAML<http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> > -- *Mohammad Hajjat* *Ph.D. Student* *Electrical and Computer Engineering* *Purdue University* -- View this message in context: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Are-Writes-disk-bound-rather-than-CPU-bound-tp7589191p7589248.html Sent from the cassandra-u...@incubator.apache.org mailing list archive at Nabble.com.
