Can you check yarn.resourcemanager.address in your yarn-site.xml? What is the value set there? ... View more

@Manikandan Durairaj Can you check your Namenode port. This generally occur when you are using wrong NN port number. Please share your oozie job properties file. ... View more

@Yogeshprabhu Check this out https://community.hortonworks.com/articles/38149/how-to-create-and-register-custom-ambari-alerts.html ... View more

@Manikandan Durairaj If you are using HDP hadoop with yarn then default port is 8088 which is same as resource manager port. ... View more

Yes kafka store its log at local disk. To push kafka logs to hdfs you need something like http://gobblin.readthedocs.io/en/latest/case-studies/Kafka-HDFS-Ingestion/ ... View more

Kaliyug Antagonist Q. To avoid installing JDK on the management(and others, too) machine, the Internet access to http://public-repo-1.hortonworks.com/ has been enabled on all the machines only for a day. I set the 'export http_proxy' and set-up the Ambari server which internally fetched the Oracle 8 JDK. Somehow, 'java -version' still doesn't work, does Ambari really install JDK. Ans. Have you set JAVA_HOME correctly? Ambari by default install java at /usr/jdk64 Q. The Ambari agents will be installed auto. during the cluster install later but then there would be NO Internet connection. How is java(jdk) installed on the other nodes then ? Is it that Ambari pushes the /var/lib/ambari-server/resources/jdk-8u60-linux-x64.tar.gz to all the nodes manually(after all, hadoop would require java) Ans. Yes that is correct. Q. Is it safe to remove the Internet access now Ans. Yes it is safe. However not sure of you have other dependencies on internet. ... View more

@bandhu gupta I can see you have mounted /var and /usr on different filesystem which has enough space available. You can ignore the warning and continue if possible. Let me know how it goes. ... View more