Installing Myriad

Describes Myriad requirements and installation.

The following table specifies the Myriad installation requirements.

Table 1. Myriad Installation Requirements
Requirement	Description
Operating Systems	RedHat/CentOS 6.2, 6.6, and 7.0 Ubuntu 14.04
Myriad Requirements	JDK 7 or 8
MapR Minimum Requirements	MapR Core MapR Zookeeper MapR CLDB MapR FileServer MapR Webserver

The following table specifies the ports used by Myriad.

Table 2. Ports Used
Application	Port
Mesos Master UI	http://<hostname>:5050
Marathon UI	http://<hostname>:8080
Myriad UI	http://<hostname>:8192 Note: The Myriad UI is available once a Resource Manager is launched.

Note: If your environment has both Marathon and Spark installed on the same node, a conflict occurs because the default port for both is 8080. To resolve this conflict, change the port for one of the applications.

The Myriad installation is a manual installation where Apache Mesos is installed before MapR Myriad.

Download and build Mesos and (optionally) Marathon. See http://mesos.apache.org/getting-started/ for Mesos and https://mesosphere.github.io/marathon/docs/ for Marathon.
Important: Install Apache Mesos on all node where resources will be shared. In addition, at least one (1) node should be running both Master and Slave and one (1) node running only Slaves.

Download and deploy MapR Myriad.

Download the Myriad 0.2 tarball. See for more information.
Myriad 0.2-1710 Release NotesExtract Myriad from the tarball.
```
tar -zxf mapr-myriad-0.2.tar.gz
```

Deploy Myriad and configuration files.

mkdir -p /opt/mapr/hadoop/hadoop-{HADOOP_VERSION}/share/hadoop/myriad/lib
ln -sf {PROJECT_HOME}/libs/* {HADOOP_HOME}/share/hadoop/myriad/lib
ln -sf {PROJECT_HOME}/conf/* {HADOOP_HOME}/etc/hadoop/

On the Mesos master node, install (as a minimum) Apache Mesos and the following MapR packages:

mapr-core 
mapr-fileserver 
mapr-cldb 
mapr-webserver

On RedHat / CentOS

yum -nogpgcheck install <package> <package>  ...

On Ubuntu

apt-get install  <package> <package> ...

Install MapR Zookeeper on its master node:
The MapR mapr-zookeeper package can be installed on any node that is designated as its master. For example, on the Mesos master node:
```
mapr-zookeeper
```
(optional) Install Mesos-DNS on its master node:
Mesos-DNS can be installed on any node that is designated as its master. For example, on the Mesos master node. See https://github.com/mesosphere/mesos-dns/tree/master/docs.
On the Mesos slave nodes, install (as a minimum) Apache Mesos and the following MapR packages.
```
mapr-core 
mapr-fileserver
```

Small Cluster Installation

The following example shows an installation on a CentOS6 operating system, a three (3) node cluster where one node is the master node for Mesos, Mesos-DNS, MaprR CLDB, and MapR Zookeeper, and two nodes are Mesos slave nodes.

Download and build Mesos on all nodes.

Unpack and install Myriad from the tarball.

On the master node, install (as a minimum) Apache Mesos and the following MapR packages:


yum -nogpgcheck install
mapr-core mapr-fileserver mapr-zookeeper mapr-cldb mapr-webserver

On the two Mesos slave nodes, install (as a minimum) Apache Mesos and the following MapR packages:


yum -nogpgcheck install
mapr-core mapr-fileserver

See Configure Myriad.