Value for HADOOP_CONF_DIR from Cluster

Question

I have setup a cluster(YARN) using Ambari with 3 VMs as hosts.

Where I can find the value for HADOOP_CONF_DIR ?

# Run on a YARN cluster
export HADOOP         


        

Answer 1

From /etc/spark/conf/spark-env.sh:

export HADOOP_CONF_DIR=${HADOOP_CONF_DIR:-/etc/hadoop/conf}