use zookeeper. Scott Fines has a great library on top of zk. On Fri, Sep 16, 2011 at 7:08 PM, Daning Wang <dan...@netseer.com> wrote:
> We try to implement an ordered queue system in Cassandra(ver 0.8.5). In > initial design we use a row as queue, a column for each item in queue. > that means creating new column when inserting item and delete column when > top item is popped. Since columns are sorted in Cassandra we got the ordered > queue. > > It works fine until queue size reaches 50K, then we got high CPU usage and > constant GC, that makes the whole Cassandra server very slow and not > responsive, we have to do full compaction to fix this problem. > > Due to this performance issue that this queue is not useful for us. We are > looking for other designs. I want to know if anybody has implemented a large > ordered queue successfully. > > Let me know if you have suggestion, > > Thank you in advance. > > Daning > > >
