1. Apache Ambari
1.4.2
December 2013
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2. What’s New in Ambari 1.4.2
• Move masters (NN, SNN, JT, RM)
• HBase multi-master
• More Host Controls
• Simplified local repo setup
• For a complete list of changes:
https://issues.apache.org/jira/browse/AMBARI/fixforversion/12325016
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3. Moving Masters
• Move master components to
different hosts
– NameNode
– SecondaryNameNode
– TaskTracker (Hadoop 1)
– ResourceManager (Hadoop 2)
• Move individual NameNodes in
Hadoop 2 HA configuration
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4. HBase Multi-Masters
• Add multiple HBase Masters
• During Cluster Install
– Assign >1 HBase Masters
• Post Cluster Install
– Add HBase Master to a host
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5. More Host Controls
• Start/Stop All host components
• Delete host
• Add Clients to existing host
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6. Simplified Local Repository Setup
• Provide Repository Base URL
during Install
• No more editing Stack XML files!
• Host Checks will confirm that
repository is accessible
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7. Other Changes
• Removed automatic “Smoke Test” on Service “Start”
– Only occurs on “Start All”
• New User Settings: Background ops dialog “off”
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8. Learn More
Resource
Location
Apache Ambari Project Page http://ambari.apache.org
Mailing Lists
http://ambari.apache.org/mail-lists.html
Ambari Wiki
https://cwiki.apache.org/confluence/display/AMBARI
Ambari JIRA
https://issues.apache.org/jira/browse/AMBARI
© Hortonworks Inc. 2013
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