openstack/openstack-ansible-ops
Code Issues Proposed changes

Set the max user watches to 1M

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This increases the default value on elastic hosts from 32k to 1M which
improves general stability, especially on high traffic hosts.

Change-Id: I18f3e7005d2798dd4008215c7aa949cc37084f5c
Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
This commit is contained in:
Kevin Carter 2018-09-10 12:42:42 -05:00 committed by Kevin Carter (cloudnull)
parent 31d0cff14c
commit bb4954b598
1 changed files with 11 additions and 1 deletions
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12
elk_metrics_6x/roles/elastic_dependencies/tasks/main.yml
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@ -54,7 +54,7 @@
elastic_heap_size_default: "{{ _elastic_heap_size_default }}"
elastic_log_rotate_path: "/var/log/{{ service_name }}"
- name: Configure systcl vm.max_map_count=262144 on container hosts
- name: Configure systcl vm.max_map_count=262144 on elastic hosts
sysctl:
name: "vm.max_map_count"
value: "262144"
@ -64,6 +64,16 @@
tags:
- sysctl
- name: Configure systcl fs.inotify.max_user_watches=1048576 on elastic hosts
sysctl:
name: "fs.inotify.max_user_watches"
value: "1048576"
state: "present"
reload: "yes"
delegate_to: "{{ physical_host }}"
tags:
- sysctl
- name: Physical host block
block:
- name: Check for directory