Increase vm.max_map_count on elasticsearch nodes
When using newer Elasticsearch versions you will receive the following error
when trying to start: elasticsearch | max virtual memory areas
vm.max_map_count [65530] likely too low, increase to at least [262144]
This could be solved by increasing the vm.max_map_count value via sysctl.
Reference: https://www.elastic.co/guide/en/elasticsearch/reference/current/vm-max-map-count.html
Change-Id: I9fa7b0222104d68bdfc838637acf5e36c479e6b2
Closes-bug: #1719528
(cherry picked from commit 83bda89600
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@ -1,4 +1,12 @@
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---
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- name: Setting sysctl values
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sysctl: name={{ item.name }} value={{ item.value }} sysctl_set=yes
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with_items:
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- { name: "vm.max_map_count", value: 262144}
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when:
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- set_sysctl | bool
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- inventory_hostname in groups['elasticsearch']
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- name: Ensuring config directories exist
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file:
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path: "{{ node_config_directory }}/{{ item.key }}"
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