Nifi and Kafka example for pulling REST API end point data - https://dzone.com/articles/real-time-stock-processing-with-apache-nifi-and-ap ... View more

Before executing sqlline, please set the HADOOP_CLASSPATH using phoenix client jar and /etc/hbase/conf export HADOOP_CLASSPATH=/usr/hdp/current/phoenix-client/phoenix-client.jar:${HADOOP_CLASSPATH}:/etc/hbase/conf/ With above, I am able to connect. Hope this helps! ... View more

What will be the steps if the cluster has 2 namenodes (active and standby) with 3 journal nodes? ... View more

a. ambari-metrics-monitor status b. ambari-metrics-monitor stop (if it is running) c. Check the ambari-metrics-collector/hbase-tmp directroy path in Ambari AMS config d. Move the hbase zk temp directory to somewhere mv /hadoop/journalnode/var/lib/ambari-metrics-collector/hbase-tmp/zookeeper/* /tmp/ams-zookeeper-backup/ e. Restart AMS from the Ambari That should resolve the issue Cheers, Pravat Sutar ... View more

sort merge join to false worked fine for me. hive.auto.convert.sortmerge.join=false --Pravat Sutar ... View more