About column family

2013-07-23 Thread bjbylh
Hi all: i have two questions to ask: 1,how many column families can be created in a cluster?is there a limit to the number of it? 2,it spents 2-5 seconds to create a new cf while the cluster contains about 1 cfs(if the cluster is empty,it spents about 0.5s).is it normal?how to improve theĀ ef

[no subject]

2013-05-14 Thread bjbylh
hello all: i use datastax java-driver to connect c* ,when the program calls cluster.shutdown(),it prints out:java.lang.NoSuchMethodError:org.jboss.netty.channelFactory.shutdown()V. but i do not kown why... c* is 1.2.4,java-driver is 1.0.0 thank you. Sent from Samsung Mobile