Page History

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• HDFS: Check log files under /var/log/hadoop/hdfs
• MapReduce: Check log files under /var/log/hadoop/mapred
• HBase: Check log files under /var/log/hbase
• Hive: Check log files under /var/log/hive
• Oozie: Check log files under /var/log/oozie
• ZooKeeper: Check log files under /var/log/zookeeper
• WebHCat: Check log files under /var/log/webhcat
• Nagios: Check log files under /var/log/nagios

Nagios alerts don't show up in Ambari Web

• Run Try running "service httpd restart" on the Nagios Server host.

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• Click on the Retry button. In most cases, this will solve install failures due to package install problems due to intermittent software repository availability.

Install Wizard failed with warning during Start/Test phase

• Proceed by hitting "Next". Once you are in the Dashboard, go to individual services, reconfigure, and start them to resolve any startup issues.

Installing a new cluster on top of an existing cluster

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