forked from evolix/ansible-roles
JVM Heap size configurable for Elasticsearch
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@ -18,7 +18,9 @@ Tasks are extracted in several files, included in `tasks/main.yml` :
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* `elasticsearch_node_name`: node name, defaults to hostname ;
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* `elasticsearch_network_host`: which interfaces to bind to ;
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* `elasticsearch_network_publish_host`: which interface to publish ;
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* `elasticsearch_custom_datadir`: custom datadir
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* `elasticsearch_custom_tmpdir`: custom tmpdir
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* `elasticsearch_custom_datadir`: custom datadir ;
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* `elasticsearch_custom_tmpdir`: custom tmpdir ;
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* `elasticsearch_jvm_xms`: mininum heap size reserved for the JVM (defaults to 2g).
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* `elasticsearch_jvm_xmx`: maximum heap size reserved for the JVM (defaults to 2g).
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By default, Elasticsearch will listen to the public interfaces (`_site_` cf. https://www.elastic.co/guide/en/elasticsearch/reference/5.0/important-settings.html#network.host), so you will have to secure it, with firewall rules for example.
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@ -4,3 +4,5 @@ elasticsearch_network_host: "[_site_, _local_]"
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elasticsearch_network_publish_host: "_site_"
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elasticsearch_custom_datadir: Null
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elasticsearch_custom_tmpdir: Null
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elasticsearch_jvm_xms: 2g
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elasticsearch_jvm_xmx: 2g
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@ -26,6 +26,11 @@
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tags:
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- config
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- name: Create a system config directory for systemd overrides
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file:
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path: /etc/systemd/system/elasticsearch.service.d
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state: directory
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- name: Override memory config in systemd unit
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ini_file:
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dest: /etc/systemd/system/elasticsearch.service.d/elasticsearch.conf
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@ -47,3 +47,19 @@
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insertafter: "^# *RESTART_ON_UPGRADE=true"
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tags:
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- config
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- name: JVM Heap size (min) is set
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lineinfile:
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dest: /etc/elasticsearch/jvm.options
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regexp: "^-Xms"
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line: "-Xms{{ elasticsearch_jvm_xms }}"
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tags:
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- config
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- name: JVM Heap size (max) is set
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lineinfile:
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dest: /etc/elasticsearch/jvm.options
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regexp: "^-Xmx"
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line: "-Xmx{{ elasticsearch_jvm_xmx }}"
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tags:
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- config
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@ -6,5 +6,10 @@ Install Logstash.
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Everything is in the `tasks/main.yml` file.
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## Variables
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* `logstash_jvm_xms`: minimum heap size reserved for the JVM (defaults to 256m).
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* `logstash_jvm_xmx`: maximum heap size reserved for the JVM (defaults to 1g).
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The pipeline must be configured before starting Logstash.
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https://www.elastic.co/guide/en/logstash/5.0/index.html
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2
logstash/defaults/main.yml
Normal file
2
logstash/defaults/main.yml
Normal file
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@ -0,0 +1,2 @@
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logstash_jvm_xms: 256m
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logstash_jvm_xmx: 1g
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@ -12,3 +12,20 @@
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service:
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name: logstash
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enabled: yes
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- name: JVM Heap size (min) is set
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lineinfile:
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dest: /etc/logstash/jvm.options
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regexp: "^-Xms"
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line: "-Xms{{ logstash_jvm_xms }}"
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tags:
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- config
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- name: JVM Heap size (max) is set
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lineinfile:
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dest: /etc/logstash/jvm.options
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regexp: "^-Xmx"
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line: "-Xmx{{ logstash_jvm_xmx }}"
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tags:
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- config
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