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Merge pull request #98 from mcrauwel/extra-mysql-checks

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added some extra MySQL checks
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Samuel Berthe 2020-03-31 16:00:13 +02:00 committed by GitHub
commit 7f05b0cbc4
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1 changed files with 17 additions and 1 deletions
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18
_data/rules.yml
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@ -316,7 +316,23 @@ groups:
severity: error
- name: MySQL too many connections
description: 'More than 80% of MySQL connections are in use on {{ $labels.instance }}'
query: '(mysql_global_status_threads_connected / mysql_global_variables_max_connections) * 100 > 80'
query: 'avg by (instance) (max_over_time(mysql_global_status_threads_connected[5m])) / avg by (instance) (mysql_global_variables_max_connections) * 100 > 80'
severity: warning
- name: MySQL high threads running
description: 'More than 60% of MySQL connections are in running state on {{ $labels.instance }}'
query: 'avg by (instance) (max_over_time(mysql_global_status_threads_running[5m])) / avg by (instance) (mysql_global_variables_max_connections) * 100 > 60'
severity: warning
- name: MySQL Slave IO thread not running on {{ $instance.instance }}
description: 'MySQL Slave IO thread not running on {{ $labels.instance }}'
query: 'mysql_slave_status_master_server_id > 0 and mysql_slave_status_slave_io_running == 0'
severity: error
- name: MySQL Slave SQL thread not running on {{ $instance.instance }}
description: 'MySQL Slave SQL thread not running on {{ $labels.instance }}'
query: 'mysql_slave_status_master_server_id > 0 and mysql_slave_status_slave_sql_running == 0'
severity: error
- name: MySQL Slave replication lag {{ $instance.instance }}
description: 'MysqL replication lag on {{ $labels.instance }}'
query: 'mysql_slave_status_master_server_id > 0 and (mysql_slave_status_seconds_behind_master - mysql_slave_status_sql_delay) > 300'
severity: warning
- name: MySQL slow queries
description: MySQL server is having some slow queries.