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Diffstat (limited to '')
| -rw-r--r-- | health/health.d/mysql.conf | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/health/health.d/mysql.conf b/health/health.d/mysql.conf new file mode 100644 index 00000000..572560b4 --- /dev/null +++ b/health/health.d/mysql.conf @@ -0,0 +1,187 @@ + +# slow queries + + template: mysql_10s_slow_queries + on: mysql.queries + class: Latency + type: Database +component: MySQL + lookup: sum -10s of slow_queries + units: slow queries + every: 10s + warn: $this > (($status >= $WARNING) ? (5) : (10)) + crit: $this > (($status == $CRITICAL) ? (10) : (20)) + delay: down 5m multiplier 1.5 max 1h + summary: MySQL slow queries + info: Number of slow queries in the last 10 seconds + to: dba + + +# ----------------------------------------------------------------------------- +# lock waits + + template: mysql_10s_table_locks_immediate + on: mysql.table_locks + class: Utilization + type: Database +component: MySQL + lookup: sum -10s absolute of immediate + units: immediate locks + every: 10s + summary: MySQL table immediate locks + info: Number of table immediate locks in the last 10 seconds + to: dba + + template: mysql_10s_table_locks_waited + on: mysql.table_locks + class: Latency + type: Database +component: MySQL + lookup: sum -10s absolute of waited + units: waited locks + every: 10s + summary: MySQL table waited locks + info: Number of table waited locks in the last 10 seconds + to: dba + + template: mysql_10s_waited_locks_ratio + on: mysql.table_locks + class: Latency + type: Database +component: MySQL + calc: ( ($mysql_10s_table_locks_waited + $mysql_10s_table_locks_immediate) > 0 ) ? (($mysql_10s_table_locks_waited * 100) / ($mysql_10s_table_locks_waited + $mysql_10s_table_locks_immediate)) : 0 + units: % + every: 10s + warn: $this > (($status >= $WARNING) ? (10) : (25)) + crit: $this > (($status == $CRITICAL) ? (25) : (50)) + delay: down 30m multiplier 1.5 max 1h + summary: MySQL waited table locks ratio + info: Ratio of waited table locks over the last 10 seconds + to: dba + + +# ----------------------------------------------------------------------------- +# connections + + template: mysql_connections + on: mysql.connections_active + class: Utilization + type: Database +component: MySQL + calc: $active * 100 / $limit + units: % + every: 10s + warn: $this > (($status >= $WARNING) ? (60) : (70)) + crit: $this > (($status == $CRITICAL) ? (80) : (90)) + delay: down 15m multiplier 1.5 max 1h + summary: MySQL connections utilization + info: Client connections utilization + to: dba + + +# ----------------------------------------------------------------------------- +# replication + + template: mysql_replication + on: mysql.slave_status + class: Errors + type: Database +component: MySQL + calc: ($sql_running <= 0 OR $io_running <= 0)?0:1 + units: ok/failed + every: 10s + crit: $this == 0 + delay: down 5m multiplier 1.5 max 1h + summary: MySQL replication status + info: Replication status (0: stopped, 1: working) + to: dba + + template: mysql_replication_lag + on: mysql.slave_behind + class: Latency + type: Database +component: MySQL + calc: $seconds + units: seconds + every: 10s + warn: $this > (($status >= $WARNING) ? (5) : (10)) + crit: $this > (($status == $CRITICAL) ? (10) : (30)) + delay: down 15m multiplier 1.5 max 1h + summary: MySQL replication lag + info: Difference between the timestamp of the latest transaction processed by the SQL thread and \ + the timestamp of the same transaction when it was processed on the master + to: dba + + +# ----------------------------------------------------------------------------- +# galera cluster size + + template: mysql_galera_cluster_size_max_2m + on: mysql.galera_cluster_size + class: Utilization + type: Database +component: MySQL + lookup: max -2m at -1m unaligned + units: nodes + every: 10s + info: maximum galera cluster size in the last 2 minutes starting one minute ago + to: dba + + template: mysql_galera_cluster_size + on: mysql.galera_cluster_size + class: Utilization + type: Database +component: MySQL + calc: $nodes + units: nodes + every: 10s + warn: $this > $mysql_galera_cluster_size_max_2m + crit: $this < $mysql_galera_cluster_size_max_2m + delay: up 20s down 5m multiplier 1.5 max 1h + summary: MySQL galera cluster size + info: Current galera cluster size, compared to the maximum size in the last 2 minutes + to: dba + +# galera node state + + template: mysql_galera_cluster_state_warn + on: mysql.galera_cluster_state + class: Errors + type: Database +component: MySQL + calc: $donor + $joined + every: 10s + warn: $this != nan AND $this != 0 + delay: up 30s down 5m multiplier 1.5 max 1h + summary: MySQL galera node state + info: Galera node state is either Donor/Desynced or Joined. + to: dba + + template: mysql_galera_cluster_state_crit + on: mysql.galera_cluster_state + class: Errors + type: Database +component: MySQL + calc: $undefined + $joining + $error + every: 10s + crit: $this != nan AND $this != 0 + delay: up 30s down 5m multiplier 1.5 max 1h + summary: MySQL galera node state + info: Galera node state is either Undefined or Joining or Error. + to: dba + +# galera node status + + template: mysql_galera_cluster_status + on: mysql.galera_cluster_status + class: Errors + type: Database +component: MySQL + calc: $primary + every: 10s + crit: $this != nan AND $this != 1 + delay: up 30s down 5m multiplier 1.5 max 1h + summary: MySQL galera cluster status + info: Galera node is part of a nonoperational component. \ + This occurs in cases of multiple membership changes that result in a loss of Quorum or in cases of split-brain situations. + to: dba |