openstack/kolla
Code Issues Proposed changes

Mariadb performance tuning

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Change-Id: Ic2b44de0ce8e8090318380a0fed3ff1bd51dc791
Closes-Bug: #1633178
This commit is contained in:
Mathias Ewald 2016-10-13 20:23:11 +02:00
parent 4b8e2c9476
commit 2d95514b59
1 changed files with 10 additions and 0 deletions
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10
ansible/roles/mariadb/templates/galera.cnf.j2
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@ -43,5 +43,15 @@ wsrep_notify_cmd=/usr/local/bin/wsrep-notify.sh
max_connections=10000
key_buffer_size = '64M'
max_heap_table_size = '64M'
tmp_table_size = '64M'
{% set dynamic_pool_size_mb = (hostvars[inventory_hostname]['ansible_memtotal_mb'] * 0.4) | round | int %}
{% if dynamic_pool_size_mb < 8192 %}
innodb_buffer_pool_size = '{{ dynamic_pool_size_mb }}M'
{% else %}
innodb_buffer_pool_size = '8192M'
{% endif %}
[server]
pid-file=/var/lib/mysql/mariadb.pid