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Merge remote-tracking branch 'upstream/master'
Conflicts: group_vars/all.sample roles/cdh_hadoop_config/tasks/main.yml roles/cdh_hbase_config/templates/regionservers roles/common/tasks/main.yml roles/common/templates/hosts roles/oracle_jdk/files/install_debian_webupd8team_repo.sh roles/oracle_jdk/tasks/main.yml roles/presto_common/tasks/main.yml roles/td_agent/files/install_debian_libssl0.9.8.sh roles/td_agent/tasks/main.yml roles/td_agent/templates/td-agent.conf site.sh
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‎.travis.yml

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@@ -2,10 +2,13 @@ language: python
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python: '2.6'
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addons:
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firefox: "25.0.1"
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cache:
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directories:
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- $HOME/.pip-cache/
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install:
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- pip install python-keyczar==0.71c
7-
- pip install ansible
8-
- sudo pip install dopy
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- pip install ansible --download-cache $HOME/.pip-cache
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- pip install dopy --download-cache $HOME/.pip-cache
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before_script:
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- ansible-playbook -i localhost --extra-vars "api_key_password=$DO_API_KEY client_id=$DO_CLIENT_ID" do_cluster.yml
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- "export DISPLAY=:99.0"

‎README.md

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Hadoop Ansible Playbook [![Build Status](https://travis-ci.org/analytically/hadoop-ansible.png)](https://travis-ci.org/analytically/hadoop-ansible) [![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/analytically/hadoop-ansible/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
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Hadoop Ansible Playbook [![Build Status](https://travis-ci.org/analytically/hadoop-ansible.svg?branch=master)](https://travis-ci.org/analytically/hadoop-ansible)
22
=======================
33

4-
[Ansible](http://www.ansibleworks.com/) playbook that installs a CDH 4.5 [Hadoop](http://hadoop.apache.org/)
4+
[Ansible](http://www.ansibleworks.com/) playbook that installs a CDH 4.6.0 [Hadoop](http://hadoop.apache.org/)
55
cluster (running on Java 7, supported from [CDH 4.4](http://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH4/latest/CDH4-Release-Notes/Whats_New_in_4-4.html)),
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with [HBase](http://hbase.apache.org/), Hive, [Presto](http://prestodb.io/) for analytics, and [Ganglia](http://ganglia.sourceforge.net/),
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[Smokeping](http://oss.oetiker.ch/smokeping/), [Fluentd](http://fluentd.org/), [Elasticsearch](http://www.elasticsearch.org/)
88
and [Kibana](http://www.elasticsearch.org/overview/kibana/) for monitoring and centralized log indexing.
99

10-
Hire/Follow [@analytically](http://twitter.com/analytically). Browse the CI [build screenshots](http://hadoop-ansible.s3-website-us-east-1.amazonaws.com/#artifacts/).
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Follow [@analytically](http://twitter.com/analytically). Browse the CI [build screenshots](http://hadoop-ansible.s3-website-us-east-1.amazonaws.com/#artifacts/).
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1212
### Requirements
1313

14-
- [Ansible](http://www.ansibleworks.com/) 1.4 or later (`pip install ansible`)
15-
- 6 + 1 Ubuntu 12.04 LTS, 13.04 or 13.10 hosts - see [ubuntu-netboot-tftp](https://github.com/analytically/ubuntu-netboot-tftp) if you need automated server installation
14+
- [Ansible](http://www.ansibleworks.com/) 1.5 or later (`pip install ansible`)
15+
- 6 + 1 Ubuntu 12.04 LTS/13.04/13.10 or Debian "wheezy" hosts - see [ubuntu-netboot-tftp](https://github.com/analytically/ubuntu-netboot-tftp) if you need automated server installation
1616
- [Mandrill](http://mandrill.com/) username and API key for sending email notifications
1717
- `ansibler` user in sudo group without sudo password prompt (see Bootstrapping section below)
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@@ -59,6 +59,9 @@ Required:
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Optional:
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62+
- Network interface: if you'd like to use a different IP address per host (eg. internal interface), change `site.yml` and
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change `set_fact: ipv4_address=...` to determine the correct IP address to use per host. If this fact is not set,
64+
`ansible_default_ipv4.address` will be used.
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- Email notification: `notify_email`, `postfix_domain`, `mandrill_username`, `mandrill_api_key`
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- [`roles/common`](roles/common/defaults/main.yml): `kernel_swappiness`(0), `nofile` limits, ntp servers and `rsyslog_polling_interval_secs`(10)
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- [`roles/2_aggregated_links`](roles/2_aggregated_links/defaults/main.yml): `bond_mode` (balance-alb) and `mtu` (9216)
@@ -123,8 +126,14 @@ After the installation, go here:
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- Ganglia at [monitor01/ganglia](http://monitor01/ganglia/)
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- Kibana at [monitor01/kibana/index.html#/dashboard/file/logstash.json](http://monitor01/kibana/index.html#/dashboard/file/logstash.json)
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- Smokeping at [monitor01/smokeping/smokeping.cgi](http://monitor01/smokeping/smokeping.cgi)
126-
- hmaster01 at [hmaster01:50070](http://hmaster01:50070) - active namenode
127-
- hmaster02 at [hmaster02:50070](http://hmaster01:50070) - standby namenode
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- Hadoop Active Namenode at [hmaster01:50070](http://hmaster01:50070)
130+
- Hadoop Standby Namenode at [hmaster02:50070](http://hmaster02:50070)
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- Presto Coordinator at [hmaster02:8081](http://hmaster02:8081)
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- Hadoop Job History at [hslave01:19888](http://hslave01:19888)
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- Hadoop Node Manager at [hslave01:8042]](http://hslave01:8042)
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- ElasticSearch at (monitor01:9200)[http://monitor01:9200/]
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- Hive CLI at (hmaster02) - ssh hmaster02; hive
136+
- Also see [cloudera.com](http://www.cloudera.com/content/cloudera-content/cloudera-docs/CM4Ent/latest/Cloudera-Manager-Installation-Guide/cmig_ports_cdh4.html) - CDH4 Ports
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### Performance testing
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@@ -142,7 +151,7 @@ Instructions on how to test the performance of your CDH4 cluster.
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##### DFSIO
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- `hadoop jar hadoop-mapreduce-client-jobclient-2.0.0-cdh4.5.0-tests.jar TestDFSIO -write`
154+
- `hadoop jar hadoop-mapreduce-client-jobclient-2.0.0-cdh4.6.0-tests.jar TestDFSIO -write`
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### Bootstrapping
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‎ansible.cfg

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[defaults]
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timeout = 20
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timeout=20
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forks=20
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[ssh_connection]
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ssh_args=-o ControlMaster=auto -o ControlPersist=1800s -o ForwardAgent=yes
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pipelining=True

‎bootstrap/ansible.cfg

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[defaults]
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timeout=20
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forks=20
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[ssh_connection]
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ssh_args=-o ControlMaster=auto -o ControlPersist=1800s
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pipelining=True

‎bootstrap/bootstrap.sh

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if [ ! -f "hosts" ]; then
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echo "Please create a hosts inventory file (see hosts.sample)."
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exit
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exit
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fi
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export ANSIBLE_HOST_KEY_CHECKING=False

‎bootstrap/bootstrap.yml

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hostname: name={{ inventory_hostname }}
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- name: create user 'ansibler'
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user: name=ansibler groups=sudo generate_ssh_key=yes shell=/bin/bash
22+
user: name=ansibler groups=sudo shell=/bin/bash
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2424
- name: add 'ansibler' RSA SSH key
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authorized_key: user=ansibler key="{{ authorized_rsa_key }}"
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2727
- name: change sudoers to contains NOPASSWD for sudo group
28-
shell: "creates=/etc/sudoers.bak chdir=/etc cp sudoers sudoers.bak && sed -ri -e 's/(%sudo\\s+ALL=\\(ALL:ALL\\))\\s+ALL/\\1 NOPASSWD: ALL/' /etc/sudoers"
29-
30-
- name: install python-keyczar via apt (for Ansible's Accelerated Mode)
31-
apt: pkg=python-keyczar
28+
shell: "creates=/etc/sudoers.bak chdir=/etc cp sudoers sudoers.bak && sed -ri -e 's/(%sudo\\s+ALL=\\(ALL:ALL\\))\\s+ALL/\\1 NOPASSWD: ALL/' /etc/sudoers"

‎do_cluster.yml

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api_key={{ api_key_password }}
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size_id=62
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region_id=4
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image_id=1505699
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image_id=3101918
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register: hosts
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with_items:
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- monitor01

‎group_vars/all.sample

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# mandrill_username: your_username
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# mandrill_api_key: your_api_key
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13+
# Upgrade kernel to 3.13, much improved epoll performance
14+
upgrade_kernel: no
15+
16+
# replace the /etc/hosts file with the hosts and ip addresses of the cluster
17+
muck_up_hosts: yes
18+
19+
#use the IP address in this index
20+
#0 is the first one, 1 is the second one,
21+
#-2 is the second to last one, -1 is the last one
22+
ansible_all_ipv4_addresses_index: 0

‎hosts.sample

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datanodes
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[historyserver]
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hslave01
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hmaster01
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# HBase Nodes
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# ===========

‎localhost

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This file was deleted.

‎roles/apache2/tasks/main.yml

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- apache2
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tags: apache
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- name: delete default site
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file: dest=/etc/apache2/sites-enabled/000-default.conf state=absent
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1013
- name: configure apache2 so it doesn't complain 'can't determine fqdn'
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lineinfile: dest=/etc/apache2/apache2.conf regexp="{{ ansible_fqdn }}" line="ServerName {{ ansible_fqdn }}"
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notify:
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- reload apache config
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tags: apache

‎roles/cdh_hadoop_config/defaults/main.yml

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---
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# file: roles/cdh_hadoop_config/vars/main.yml
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# file: roles/cdh_hadoop_config/defaults/main.yml
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# The default block size for new files, in bytes - here 256 MB
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dfs_blocksize: 268435456

‎roles/cdh_hadoop_config/files/dfs.hosts.exclude

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‎roles/cdh_hadoop_config/handlers/main.yml

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- name: restart hadoop-hdfs-journalnode
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service: name=hadoop-hdfs-journalnode state=restarted
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ignore_errors: yes
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16+
- name: restart hadoop-mapreduce-historyserver
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service: name=hadoop-mapreduce-historyserver state=restarted
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ignore_errors: yes
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20+
- name: restart hadoop-yarn-nodemanager
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service: name=hadoop-yarn-nodemanager state=restarted
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ignore_errors: yes
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24+
- name: restart hadoop-yarn-resourcemanager
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service: name=hadoop-yarn-resourcemanager state=restarted
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ignore_errors: yes
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28+
- name: refresh datanodes
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sudo_user: hdfs
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command: hdfs dfsadmin -refreshNodes
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ignore_errors: yes

‎roles/cdh_hadoop_config/tasks/main.yml

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# file: roles/cdh_hadoop_config/tasks/main.yml
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- name: copy /etc/hadoop/conf.empty to /etc/hadoop/conf.{{ site_name|lower }}
5-
shell: creates=/etc/hadoop/conf.{{ site_name|lower }} cp -R -p /etc/hadoop/conf.empty /etc/hadoop/conf.{{ site_name|lower }}
5+
command: creates=/etc/hadoop/conf.{{ site_name|lower }} cp -R -p /etc/hadoop/conf.empty /etc/hadoop/conf.{{ site_name|lower }}
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tags:
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- hadoop
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- configuration
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- restart hadoop-hdfs-namenode
2424
- restart hadoop-hdfs-journalnode
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- restart hadoop-hdfs-datanode
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- restart hadoop-mapreduce-historyserver
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- restart hadoop-yarn-nodemanager
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- restart hadoop-yarn-resourcemanager
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tags:
30+
- hadoop
31+
- configuration
32+
33+
- name: update excluded datanodes
34+
copy: src=dfs.hosts.exclude dest=/etc/hadoop/conf/dfs.hosts.exclude owner=root group=root mode=644
35+
notify:
36+
- refresh datanodes
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tags:
2738
- hadoop
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- configuration
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- name: run 'update-alternatives' to install hadoop configuration
31-
shell: update-alternatives --install /etc/hadoop/conf hadoop-conf /etc/hadoop/conf.{{ site_name|lower }} 50
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command: update-alternatives --install /etc/hadoop/conf hadoop-conf /etc/hadoop/conf.{{ site_name|lower }} 50
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tags: hadoop
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- name: run 'update-alternatives' to set hadoop configuration
35-
shell: update-alternatives --set hadoop-conf /etc/hadoop/conf.{{ site_name|lower }}
46+
command: update-alternatives --set hadoop-conf /etc/hadoop/conf.{{ site_name|lower }}
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tags: hadoop

‎roles/cdh_hadoop_config/templates/core-site.xml

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<property>
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<name>fs.defaultFS</name>
10-
<value>hdfs://{{ hostvars[groups['namenodes'][0]]['ansible_fqdn'] }}</value>
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<value>hdfs://{{ site_name|lower }}</value>
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<final>true</final>
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</property>
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‎roles/cdh_hadoop_config/templates/hadoop-metrics2.properties

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*.sink.ganglia.dmax=jvm.metrics.threadsBlocked=70,jvm.metrics.memHeapUsedM=40
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# journalnodes
38-
journalnode.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host]['ansible_default_ipv4']['address'] }}:8649{% if not loop.last %},{% endif %}{% endfor %}
38+
journalnode.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host].ipv4_address|default(hostvars[host].ansible_default_ipv4.address) }}:8649{% if not loop.last %},{% endif %}{% endfor %}
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# namenodes
41-
namenode.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host]['ansible_default_ipv4']['address'] }}:8649{% if not loop.last %},{% endif %}{% endfor %}
41+
namenode.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host].ipv4_address|default(hostvars[host].ansible_default_ipv4.address) }}:8649{% if not loop.last %},{% endif %}{% endfor %}
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# datanodes
44-
datanode.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host]['ansible_default_ipv4']['address'] }}:8649{% if not loop.last %},{% endif %}{% endfor %}
44+
datanode.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host].ipv4_address|default(hostvars[host].ansible_default_ipv4.address) }}:8649{% if not loop.last %},{% endif %}{% endfor %}
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4646
# jobtrackers
47-
jobtracker.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host]['ansible_default_ipv4']['address'] }}:8649{% if not loop.last %},{% endif %}{% endfor %}
47+
jobtracker.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host].ipv4_address|default(hostvars[host].ansible_default_ipv4.address) }}:8649{% if not loop.last %},{% endif %}{% endfor %}
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# tasktrackers
50-
tasktracker.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host]['ansible_default_ipv4']['address'] }}:8649{% if not loop.last %},{% endif %}{% endfor %}
50+
tasktracker.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host].ipv4_address|default(hostvars[host].ansible_default_ipv4.address) }}:8649{% if not loop.last %},{% endif %}{% endfor %}
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# maptasks
53-
maptask.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host]['ansible_default_ipv4']['address'] }}:8649{% if not loop.last %},{% endif %}{% endfor %}
53+
maptask.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host].ipv4_address|default(hostvars[host].ansible_default_ipv4.address) }}:8649{% if not loop.last %},{% endif %}{% endfor %}
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5555
# reducetasks
56-
reducetask.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host]['ansible_default_ipv4']['address'] }}:8649{% if not loop.last %},{% endif %}{% endfor %}
56+
reducetask.sink.ganglia.servers={% for host in groups['namenodes'] %}{{ hostvars[host].ipv4_address|default(hostvars[host].ansible_default_ipv4.address) }}:8649{% if not loop.last %},{% endif %}{% endfor %}

‎roles/cdh_hadoop_config/templates/hdfs-site.xml

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<!-- {{ ansible_managed }} -->
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<configuration>
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<property>
8+
<name>dfs.hosts.exclude</name>
9+
<value>/etc/hadoop/conf/dfs.hosts.exclude</value>
10+
</property>
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712
<!-- common server name -->
813
<property>
914
<name>dfs.nameservices</name>
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2631
{% for host in groups['namenodes'] %}
2732
<property>
2833
<name>dfs.namenode.http-address.{{ site_name|lower }}.nn{{ loop.index }}</name>
29-
<value>0.0.0.0:50070</value>
34+
<value>{{ host }}:50070</value>
3035
</property>
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{% endfor %}
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‎roles/cdh_hadoop_config/templates/mapred-site.xml

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<value>yarn</value>
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</property>
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<property>
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<name>yarn.app.mapreduce.am.staging-dir</name>
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<value>/user</value>
15+
</property>
16+
1217
<property>
1318
<name>mapreduce.jobhistory.address</name>
1419
<value>{{ hostvars[groups['historyserver'][0]]['ansible_fqdn'] }}:10020</value>
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7378
<name>mapreduce.output.fileoutputformat.compress.type</name>
7479
<value>BLOCK</value>
7580
</property>
81+
82+
<property>
83+
<name>mapreduce.map.java.opts</name>
84+
<value>-Xmx1024m</value>
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<description>Higher Java heap for mapper to work.</description>
86+
</property>
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</configuration>

‎roles/cdh_hadoop_config/templates/slaves

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{% for host in groups['datanodes'] %}{{ hostvars[host]['ansible_default_ipv4']['address'] }}
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{% for host in groups['datanodes'] %}{{ hostvars[host].ipv4_address|default(hostvars[host].ansible_default_ipv4.address) }}
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{% endfor %}

‎roles/cdh_hadoop_config/templates/yarn-site.xml

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<!-- {{ ansible_managed }} -->
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<configuration>
7+
<!-- CPU Cores -->
8+
<property>
9+
<name>yarn.nodemanager.resource.cpu-vcores</name>
10+
<value>{{ ansible_processor_count * ansible_processor_cores * ansible_processor_threads_per_core }}</value>
11+
</property>
12+
13+
<!-- Memory limits -->
14+
<property>
15+
<name>yarn.scheduler.maximum-allocation-mb</name>
16+
<value>{{ ansible_memtotal_mb - 1024 }}</value>
17+
</property>
18+
<property>
19+
<name>yarn.nodemanager.resource.memory-mb</name>
20+
<value>{{ ansible_memtotal_mb - 1024 }}</value>
21+
</property>
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723
<property>
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<name>yarn.resourcemanager.resource-tracker.address</name>
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<value>{{ hostvars[groups['resourcemanager'][0]]['ansible_fqdn'] }}:8031</value>
@@ -56,10 +72,6 @@
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<name>yarn.nodemanager.remote-app-log-dir</name>
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<value>/var/log/hadoop-yarn/apps</value>
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</property>
59-
<property>
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<name>yarn.app.mapreduce.am.staging-dir</name>
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<value>/user</value>
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</property>
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<!-- Fair scheduling is a method of assigning resources to jobs such that all jobs get, on average, an equal
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share of resources over time. When there is a single job running, that job uses the entire cluster. -->

‎roles/cdh_hbase_config/defaults/main.yml

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---
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# file: roles/cdh_hbase_config/vars/main.yml
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# file: roles/cdh_hbase_config/defaults/main.yml
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hbase:
5-
# The HBase heap size
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heapsize: 8192
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# The HBase heap size
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hbase_heapsize: 4096

‎roles/cdh_hbase_config/tasks/main.yml

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# file: roles/cdh_hbase_config/tasks/main.yml
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- name: copy /etc/hbase/conf.empty to /etc/hbase/conf.{{ site_name|lower }}
5-
shell: creates=/etc/hbase/conf.{{ site_name|lower }} cp -R -p /etc/hbase/conf.dist /etc/hbase/conf.{{ site_name|lower }}
5+
command: creates=/etc/hbase/conf.{{ site_name|lower }} cp -R -p /etc/hbase/conf.dist /etc/hbase/conf.{{ site_name|lower }}
66
tags: hbase
77

88
- name: configure HBase in /etc/hbase/conf.{{ site_name|lower }}
@@ -19,9 +19,9 @@
1919
- configuration
2020

2121
- name: run 'update-alternatives' to install HBase configuration
22-
shell: update-alternatives --install /etc/hbase/conf hbase-conf /etc/hbase/conf.{{ site_name|lower }} 50
22+
command: update-alternatives --install /etc/hbase/conf hbase-conf /etc/hbase/conf.{{ site_name|lower }} 50
2323
tags: hbase
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- name: run 'update-alternatives' to set HBase configuration
26-
shell: update-alternatives --set hbase-conf /etc/hbase/conf.{{ site_name|lower }}
26+
command: update-alternatives --set hbase-conf /etc/hbase/conf.{{ site_name|lower }}
2727
tags: hbase

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