Re: Very slow writes in Cassandra

2011-10-31 Thread Adrian Cockcroft
You are using replication factor of one and the Lustre clustered filesystem over the network. Not good practice. Try RF=3 and local disks. Lustre duplicates much of the functionality of Cassandra, there is no point using both. Make your Lustre server nodes into Cassandra nodes instead. Adrian

Very slow writes in Cassandra

2011-10-30 Thread Evgeny
Hello Cassandra users, I'm newbie in NoSQL and Cassandara in particular. At the moment doing some benchmarking with Cassandra and experiencing very slow write throughput. As it is said, Cassandra can perform hundreds of thousands of inserts per second, however I'm not observing this: 1) when I