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added some extra MySQL checks

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Matthias Crauwels 2020-03-30 11:24:58 +02:00
parent d9286f6c39
commit 4860250360
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1 changed files with 18 additions and 2 deletions
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20
_data/rules.yml
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@ -312,11 +312,27 @@ groups:
rules:
- name: MySQL down
description: MySQL instance is down on {{ $labels.instance }}
query: 'mysql_up == 0'
query: 'avg by (instance) (mysql_up) == 0'
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: 'avg by(instance) (mysql_slave_status_master_server_id) > 0 and avg by (instance) (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: 'avg by(instance) (mysql_slave_status_master_server_id) > 0 and avg by (instance) (mysql_slave_status_slave_sql_running) == 0'
severity: error
- name: MySQL Slave replication lag {{ $instance.instance }}
description: 'MysqL replication lag on {{ $labels.instance }}'
query: 'avg by(instance) (mysql_slave_status_master_server_id) > 0 and (avg by (instance) (max_over_time(mysql_slave_status_seconds_behind_master[1m])) - avg by (instance) (mysql_slave_status_sql_delay)) > 300'
severity: warning
- name: MySQL slow queries
description: MySQL server is having some slow queries.