Apache Ambari - What's New in 1.5.0
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© Hortonworks Inc. 2014 Apache Ambari 1.5.0 April 2014 Page
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Transcript of Apache Ambari - What's New in 1.5.0
© Hortonworks Inc. 2014
Apache Ambari
1.5.0
April 2014
Page
© Hortonworks Inc. 2014
What’s New in Ambari 1.5.0?
• Maintenance Mode• Rolling Restarts• Bulk Host Operations• Service and Component Restarts• Decommission TTs, NMs, RSs• Add Service• Customize ZooKeeper Configs• Refresh Client Configs• Default JDK 7
• For a complete list of changes:https://issues.apache.org/jira/browse/AMBARI/fixforversion/12325019
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Maintenance Mode
• Goal: silence alerts for services, hosts and components when performing maintenance
• Ability to put Service or Host “Out of Service”• Alerts will be suspended for that item• Item will not respond to bulk operations (such as restarts)
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Rolling Restarts
• Goal: minimize cluster downtime + service impact when making changes across many hosts
• Ability to initiate a "rolling restart" of components• Optionally include only hosts with configurations changes• Set host batch size + time to wait between batches• Set failure tolerance to halt restarts automatically
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Bulk Host Operations
• Perform host operations such as Stop, Start, Restart, Decommission, Maintenance Mode in “bulk” form
• Apply operations to all hosts, filtered hosts or a selected group of hosts
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Restarts
• Explicit “Restart” operation• For Components, Hosts and Services
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Components Hosts Services
Restart individual components at the host level.
Restart all components on a given host.
Restart all components of a given service.
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Decommission
• TaskTrackers (HDP 1.3)• NodeManagers (HDP 2.0 and 2.1)• RegionServers (HDP 1.3, 2.0 and 2.1)
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Customizable ZooKeeper Configs
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Custom Properties
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Refresh Client Configs
• Ability to refresh client configurations on a host• Useful for client-only hosts
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Default JDK 7
• Select JDK during setup–Will match JCE + JDK to selected JDK version
• Custom JDK option–You must match JCE to the custom JDK–Use Custom JDK if you want to use OpenJDK or in the case of a
local install (no internet access)
• Change JDK by re-running setup
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Other Changes
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Operation Log Locations “About Ambari” Dialog w/ Version
Operation Timing Info
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Learn More
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Resource Location
Apache Ambari Project Page http://ambari.apache.org
Ambari Project Wiki https://cwiki.apache.org/confluence/display/AMBARI
Ambari Project JIRA https://issues.apache.org/jira/browse/AMBARI
