Increase heap space

tasks/install.yml

@@ -20,6 +20,14 @@
     state: 'present'
     update_cache: yes
 
+- name: "Set default values"
+  template:
+    src: 'etc_default_elasticsearch'
+    dest: '/etc/default/elasticsearch'
+    owner: 'root'
+    group: 'elasticsearch'
+    mode: '644'
+
 - name: "Install Plugins"
   elasticsearch_plugin:
     name: '{{ item }}'

templates/etc_default_elasticsearch

+################################
+# Elasticsearch
+################################
+
+# Elasticsearch home directory
+#ES_HOME=/usr/share/elasticsearch
+
+# Elasticsearch Java path
+#JAVA_HOME=
+
+# Elasticsearch configuration directory
+ES_PATH_CONF=/etc/elasticsearch
+
+# Elasticsearch PID directory
+#PID_DIR=/var/run/elasticsearch
+
+# Additional Java OPTS
+ES_JAVA_OPTS="-Xms2g -Xmx2g"
+
+# Configure restart on package upgrade (true, every other setting will lead to not restarting)
+#RESTART_ON_UPGRADE=true
+
+################################
+# Elasticsearch service
+################################
+
+# SysV init.d
+#
+# The number of seconds to wait before checking if Elasticsearch started successfully as a daemon process
+ES_STARTUP_SLEEP_TIME=5
+
+################################
+# System properties
+################################
+
+# Specifies the maximum file descriptor number that can be opened by this process
+# When using Systemd, this setting is ignored and the LimitNOFILE defined in
+# /usr/lib/systemd/system/elasticsearch.service takes precedence
+#MAX_OPEN_FILES=65536
+
+# The maximum number of bytes of memory that may be locked into RAM
+# Set to "unlimited" if you use the 'bootstrap.memory_lock: true' option
+# in elasticsearch.yml.
+# When using systemd, LimitMEMLOCK must be set in a unit file such as
+# /etc/systemd/system/elasticsearch.service.d/override.conf.
+#MAX_LOCKED_MEMORY=unlimited
+
+# Maximum number of VMA (Virtual Memory Areas) a process can own
+# When using Systemd, this setting is ignored and the 'vm.max_map_count'
+# property is set at boot time in /usr/lib/sysctl.d/elasticsearch.conf
+#MAX_MAP_COUNT=262144