Hi all, ambari-1.2.3-incubating-rc1 release candidate is now available.
Here's a summary of Ambari 1.2.3 features: * Improved stability * Ability to update core-site.xml properties post-install * Ability to add and remove custom configuration properties * New Heatmaps (Host > CPU WIO %, HBase > RegionServer Reads/Writes/Regions/QueueSize/MemstoreSize) * Ability to add host components on existing hosts * Filter hosts by host health status * Mixed OS support * init.d scripts * Support for Oracle Enterprise Linux 5 and 6 I have successfully deployed a 5-node cluster on RHEL 6.3 using the instructions available at: http://incubator.apache.org/ambari/1.2.3/installing-hadoop-using-ambari/content/index.html SVN source tag: https://svn.apache.org/repos/asf/incubator/ambari/tags/release-1.2.3-rc1 Staging site: http://people.apache.org/~yusaku/ambari-1.2.3-incubating-rc1 PGP release keys (signed using 3ABE18B3) http://pgp.mit.edu:11371/pks/lookup?op=vindex&search=0x4C3AA2723ABE18B3 One can look into the issues fixed in this release at: https://issues.apache.org/jira/issues/?jql=project%20%3D%20AMBARI%20AND%20fixVersion%20%3D%20%221.2.3%22%20AND%20status%20%3D%20Resolved%20ORDER%20BY%20priority%20DESC Vote will be open for 72 hours. [ ] +1 approve [ ] +0 no opinion [ ] -1 disapprove (and reason why) Here's my vote to start: +1 (binding) Yusaku
