cdh-configuration

Prepare a Host machines for a Hadoop/CDH installation.

Performs the following

• turns off huge pages
• turns off iptables
• increases file and process limits for hadoop, spark, hdfs, and hbase
• mount all unformated disks
• update network configuration in sysctl
• turn off selinux
• set vm swappiness to 10

Requirements

Redhat/CentOS 6 ansible 2.0 sudo access

Role Variables

none

Dependencies

libselinux-python - installed through yum automatically

Example Playbook

You can see the sample playbook in the test directory

• hosts: CDH become: yes become_user: root roles:
  • { role: ansible-cdh-opti }

License

Apache 2.0

Author Information

trustedanalytics.github.io

Bugs

Bugs can be submitted to jira https://trustedanalytics.atlassian.net