Configure memory size and jvm options

README.md

@@ -6,6 +6,12 @@
 - [Licensing](https://www.elastic.co/de/subscriptions)
 - [Download BEATS](https://www.elastic.co/de/downloads/beats)
 
+# Create basic users
+
+```
+bin/elasticsearch-setup-passwords auto -u http://localhost:9200
+```
+
 # Trouble-Shooting
 
 Get a list of indides:

tasks/install.yml

@@ -53,6 +53,20 @@
     - regexp: 'path.repo'
       line: 'path.repo: ["/var/backups/elasticsearch"]'
 
+- name: Configure JVM options
+  lineinfile:
+    dest: /etc/elasticsearch/jvm.options
+    regexp: '{{ item.regexp|default(omit) }}'
+    line: '{{ item.line }}'
+    state: '{{ item.state|default(omit) }}'
+  with_items:
+    - regexp: '^-Xms'
+      line: '-Xms{{ elasticsearch.memory|default("2g") }}'
+    - regexp: '^-Xmx'
+      line: '-Xmx{{ elasticsearch.memory|default("2g") }}'
+    - line: '-XX:+UseConcMarkSweepGC'
+      state: absent
+
 - name: Prepare backup directory
   file:
     path: /var/backups/elasticsearch

templates/etc_default_elasticsearch

@@ -15,7 +15,7 @@ ES_PATH_CONF=/etc/elasticsearch
 #PID_DIR=/var/run/elasticsearch
 
 # Additional Java OPTS
-ES_JAVA_OPTS="-Xms2g -Xmx2g"
+ES_JAVA_OPTS="-Xms{{ elasticsearch.memory|default("2g") }} -Xmx{{ elasticsearch.memory|default("2g") }}"
 
 # Configure restart on package upgrade (true, every other setting will lead to not restarting)
 #RESTART_ON_UPGRADE=true