Oh sorry, we use cassandra-0.7.4 already. Is the version fine? 2011/5/12 Jonathan Ellis <jbel...@gmail.com>
> https://svn.apache.org/repos/asf/cassandra/branches/cassandra-0.7 > > On Thu, May 12, 2011 at 8:33 PM, Xiaowei Wang <xiaowei...@gmail.com> > wrote: > > Thanks Jonathan, but can you provide some links about 0.7 svn branch? > > > > 2011/5/12 Jonathan Ellis <jbel...@gmail.com> > >> > >> I'd recommend trying the 0.7 svn branch (soon to be voted on as 0.7.6) > >> > >> On Thu, May 12, 2011 at 3:09 PM, Xiaowei Wang <xiaowei...@gmail.com> > >> wrote: > >> > Hi all, > >> > > >> > My partner and I currently using cassandra cluster to run TPC-C. We > >> > first > >> > use 2 ec2 nodes to load 20 warehouses. One(client node) has 8 cores, > >> > the > >> > other(worker node) has 4 cores. During the loading time, either the > >> > client > >> > node or the worker node will "down"(cannot be detected) randomly and > >> > then > >> > "up" again in a short time. If the two nodes both down, we failed in > >> > loading. If only one of them down, we can continue to load data. > >> > > >> > The problem is if we use multiple threads(we write multiprocess code), > >> > say 4 > >> > clients threads, some of them might be stop at the point one of the > >> > nodes > >> > first down, and the dead threads will never come back.... This will > not > >> > only > >> > enlarge our loading time, but also effect the amount of data we can > >> > load. > >> > > >> > So we need to figure out why the nodes continue to be up and down and > >> > fix > >> > this problem. > >> > > >> > Thanks for any help! > >> > > >> > Best, > >> > Xiaowei > >> > > >> > > >> > >> > >> > >> -- > >> 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 >
