What is in your Cassandra log right before and after that freeze? -Tupshin On Mar 20, 2013 8:06 AM, "Joel Samuelsson" <samuelsson.j...@gmail.com> wrote:
> Hello, > > I've been trying to load test a one node cassandra cluster. When I add > lots of data, the Cassandra node freezes for 4-5 minutes during which > neither reads nor writes are served. > During this time, Cassandra takes 100% of a single CPU core. > My initial thought was that this was Cassandra flushing memtables to the > disk, however, the disk i/o is very low during this time. > Any idea what my problem could be? > I'm running in a virtual environment in which I have no control of drives. > So commit log and data directory is (probably) on the same drive. > > Best regards, > Joel Samuelsson >
