Upgrading Spark on YARN

This section describes how to upgrade Spark on YARN without the Installer.

The following instructions explain how to upgrade an existing installation of Spark. Spark will be installed in a new subdirectory under /opt/mapr/spark.

Install the Spark packages.
Note: You only need to upgrade the mapr-spark-historyserver if your previous installation included this package.
On Ubuntu
```
apt-get install mapr-spark mapr-spark-historyserver
```
On RedHat / CentOS
```
yum update mapr-spark mapr-spark-historyserver
```
On SUSE
```
zypper upgrade mapr-spark mapr-spark-historyserver
```
(Optional): Starting in the MEP 4.0 release, you can install the Spark Thrift Server package.
On Ubuntu
```
apt-get insall mapr-spark-thriftserver
```
On RedHat / CentOS
```
yum install mapr-spark-thriftserver 
```
On SUSE
```
zypper install mapr-spark-thriftserver 
```