Hey, For reference, the "Cloudera lists" to which Arun refers can be found at https://groups.google.com/a/cloudera.org/groups/dir. I'd recommend sending this question to the CDH user list: https://groups.google.com/a/cloudera.org/group/cdh-user.
Thanks, Jeff On Mon, Nov 8, 2010 at 2:31 PM, Arun C Murthy <[email protected]> wrote: > Please take CDH3 questions to Cloudera lists. > > > On Nov 8, 2010, at 12:06 PM, Jinsong Hu wrote: > > Hi, There: >> I have been evaluating cdh3b3 for a while and noticed 2 major change: >> 1. the hadoop protocol layer is incompatible with cdh3b2, and data needs >> to be upgraded. same for hbase. >> 2. user hdfs and mapred are introduced to replace user hadoop. >> >> I am wondering when the next cdh3 release will come out, and will it be >> compatible with cdh3b3 ? Since >> cdh3b2 to b3 migration requires cluster down time , I want to minimize the >> down time as much as possible. >> if next cdh3 is compatible with b3, I will upgrade to b3 first and then to >> next new release. otherwise I will >> wait for next release . >> >> By the way, I found cdh3b3's performance doubles that of cdh3b2 in both >> hadoop and hbase, and hbase stability >> drastically improved. Nice job. >> >> Jimmy. >> > >
