hdp hadoop hive mysql #4

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Hortonworks HDP 2.1 HIVE, mysql, and Hadoop Cluster

This bundle is a 4 node Hadoop cluster designed to scale out. It contains the
following units:

  • one Hadoop Master (yarn & hdfs) Node
  • one Hadoop compute Node
  • one Hive Node
  • one MySQL Node

Usage

Deploy the bundle, once you have a cluster running, ssh to the Hadoop Master
node: 

juju ssh yarn-hdfs-master/0

Smoke test HDFS admin functionality

As the HDFS user, create a /user/$CLIENT_USER on the hadoop file system.
The steps below verifies/demonstrates HDFS functionality: 

sudo su $HDFS_USER
hdfs dfs -mkdir -p /user/ubuntu
hdfs dfs -chown ubuntu:ubuntu /user/ubuntu
hdfs dfs -chmod -R 755 /user/ubuntu
exit

Smoke test YARN and Mapreduce

Run the test as the $CLIENT_USER, using Terasort and sort 10GB of data: 

Hadoop jar /usr/lib/hadoop-mapreduce/hadoop-mapreduce-examples-*.jar teragen 10000 /user/ubuntu/teragenout
Hadoop jar /usr/lib/hadoop-mapreduce/hadoop-mapreduce-examples-*.jar terasort /user/ubuntu/teragenout /user/ubuntu/terasortout

Smoke test HDFS functionality from ubuntu user space

Delete the mapreduce output from hdfs:

hdfs dfs -rm -r /user/ubuntu/teragenout

HIVE + HDFS Usage:

Create an ssh session with the Hive server, switch to the Hive user, and start
the Hive console: 

juju ssh hdphive/0  
sudo su \$HIVE_USER  
hive

From the Hive console, create a table: 

show databases;
create table test(col1 int, col2 string);
show tables;
exit;

Exit from the Hive user session: 

exit

Change to the HDFS user, verify connection to the HDFS cluster, and that a test
directory has been created on the remote HDFS cluster: 

sudo su \$HDFS_USER
hadoop dfsadmin -report
hdfs dfs -ls /apps/hive/warehouse

Scale Out Usage

This bundle was designed to scale out. In order to increase the amount of
slaves, you must add units, to add one unit: 

juju add-unit compute-node

Or you can add multiple units at once: 

juju add-unit -n4 compute-node

Contact Information

Amir Sanjar amir.sanjar@canonical.com

Upstream Project Name

Bundle configuration

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