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Hadoop, mail # user - Which hadoop version shoul I install in a production environment

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Which hadoop version shoul I install in a production environment
Pablo Musa 2012-07-03, 20:19
Hi guys,
I am sorry to bother you, but I have a cluster already configured and running
with the following packages (cdh3):
hadoop-0.20.noarch      0.20.2+923.256-1
hadoop-hbase.noarch     0.90.6+84.29-1
hadoop-zookeeper.noarch 3.3.5+19.1-1

I having trouble with HBase regionserver that crashes (2-3 nodes per day) in
an 8 nodes cluster. I thought it was the GC problem, but I did the fix and they
still crash.

I was wondering if updating the whole system (hadoop + hbase + zookeeperr + mapred)
would fix my problems. Besides there are a lot of fixes and features implemented
since 0.20.

Searching around I found all the different versions realeased and opted by the
0.23-cdh4. Applied this new version to an old cdh3 dev environment 2 months ago.
Started doing other stuff and came back to finally try it into production.
Unfortunately, cdh4 is moved to 2.0 and I could not find the 0.23 packages
anymore. Besides, the 2.0 realease is in alpha version and thus not ready to
Even worse, there is no 0.23 release in hadoop site:

I read a few links, such as:
and could not reach to a conclusion for a very simple question:
Which is the latest stable hadoop version to install in a production
environment with package manager support?

Do you guys suggest any other manager than cdh?

Sorry for the bad english and thanks for the help ;)