Alexel, You were right. It was already fixed to use UUID for streaming session and released in 1.2.0. See https://issues.apache.org/jira/browse/CASSANDRA-4813.
On Thursday, January 24, 2013 at 6:49 AM, Alexei Bakanov wrote: > Hello, > > We see that BulkOutputFormat fails to stream data from multiple reduce > instances that run on the same host. > We get the same error messages that issue > https://issues.apache.org/jira/browse/CASSANDRA-4223 tries to address. > Looks like (ip-adress + in_out_flag + atomic integer) is not unique > enough for a sessionId when we have multiple JVMs streaming from one > physical host. > > We get the problem fixed by setting one reducer per machine in hadoop > config, but it's not an option we want to deploy. > > Thanks, > Alexei Bakanov > >