openstack/openstack-ansible-ops
Code Issues Proposed changes

Set the max user watches to 1M

Browse Source 
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

12
elk_metrics_6x/roles/elastic_dependencies/tasks/main.yml

@ -54,7 +54,7 @@
elastic_heap_size_default: "{{ _elastic_heap_size_default }}" elastic_heap_size_default: "{{ _elastic_heap_size_default }}"
elastic_log_rotate_path: "/var/log/{{ service_name }}" 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: sysctl:
name: "vm.max_map_count" name: "vm.max_map_count"
value: "262144" value: "262144"
@ -64,6 +64,16 @@
tags: tags:
- sysctl - 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 - name: Physical host block
block: block:
- name: Check for directory - name: Check for directory