apache ambari - what's new in 1.4.2
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Apache Ambari
1.4.2
December 2013
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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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Moving Masters
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• 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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HBase Multi-Masters
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• Add multiple HBase Masters
• During Cluster Install– Assign >1 HBase Masters
• Post Cluster Install– Add HBase Master to a host
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More Host Controls
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• Start/Stop All host components
• Delete host
• Add Clients to existing host
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Simplified Local Repository Setup
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• Provide Repository Base URL during Install
• No more editing Stack XML files!
• Host Checks will confirm that repository is accessible
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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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Learn More
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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