Re: code for read operations cassandra

I'd say that following below steps, you'll the whole logic for 'READ' path : org.apache.cassandra.thrift.CassandraServer.get(ByteBuffer, ColumnPath, ConsistencyLevel) -> 'org.apache.cassandra.service.StorageProxy.read(List, ConsistencyLevel)' -> essagingService.instance().sendRR (*ReadCommand Messa

Re: Cluster Cloning

the bulk loader <http://www.datastax.com/dev/blog/bulk-loading>, or the basic and well-known tools: export & import SStable <http://wiki.apache.org/cassandra/Operations#Import_.2BAC8_export> -pprun On 2012年02月02日 15:16, Hefeng Yuan wrote: Hi, We need clone the data be

does need to disable 'rpc_keepalive' if 'rpc_max_threads' is get larger?

rpc_max_threads is set to 2048 and the 'rpc_server_type' is 'hsha', after 2 days running, observed that there's a high I/O activity and the number of 'RCP thread' grow to '2048' and VisualVm shows most of them is 'waiting'/'sleeping' (color: yellow). I want to know if I set rpc_keepalive to fa