Apache Ambari - What's New in 1.5.0

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  • 1. © Hortonworks Inc. 2014 Apache Ambari 1.5.0 April 2014 Page
  • 2. © 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 Page 2
  • 3. © Hortonworks Inc. 2014 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) Page 3
  • 4. © Hortonworks Inc. 2014 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 Page 4
  • 5. © Hortonworks Inc. 2014 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 Page 5
  • 6. © Hortonworks Inc. 2014 Restarts • Explicit “Restart” operation • For Components, Hosts and Services Page 6 Components Hosts Services Restart individual components at the host level. Restart all components on a given host. Restart all components of a given service.
  • 7. © Hortonworks Inc. 2014 Decommission • TaskTrackers (HDP 1.3) • NodeManagers (HDP 2.0 and 2.1) • RegionServers (HDP 1.3, 2.0 and 2.1) Page 7
  • 8. © Hortonworks Inc. 2014 Customizable ZooKeeper Configs Page 8
  • 9. © Hortonworks Inc. 2014 Refresh Client Configs • Ability to refresh client configurations on a host • Useful for client-only hosts Page 9
  • 10. © Hortonworks Inc. 2014 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 Page 10
  • 11. © Hortonworks Inc. 2014 Other Changes Page 11 Operation Log Locations “About Ambari” Dialog w/ Version Operation Timing Info
  • 12. © Hortonworks Inc. 2014 Learn More Page 12 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