> I get a lot of TExceptions What are the exceptions ? In general counters are slower than writes, but that does not lead them to fail like that.
Check the logs for errors and/or messages from the GCInspector saying the garbage collection is going on. Cheers A ----------------- Aaron Morton New Zealand @aaronmorton Co-Founder & Principal Consultant Apache Cassandra Consulting http://www.thelastpickle.com On 13/05/2014, at 9:51 pm, Batranut Bogdan <batra...@yahoo.com> wrote: > Hello all, > > I have a counter CF defined as pk text PRIMARY KEY, a counter, b counter, c > counter, d counter > After inserting a few million keys... 55 mil, the performance goes down the > drain, 2-3 nodes in the cluster are on medium load, and when inserting > batches of same lengths writes take longer and longer until the whole cluster > becomes loaded and I get a lot of TExceptions... and the cluster becomes > unresponsive. > > Did anyone have the same problem? > Feel free to comment and share experiences about counter CF performance. >