Jinsong Hu 2010-11-08, 20:06
Arun C Murthy 2010-11-08, 22:31
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:
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.