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-rw-r--r--health/health.d/mysql.conf26
1 files changed, 15 insertions, 11 deletions
diff --git a/health/health.d/mysql.conf b/health/health.d/mysql.conf
index 62cef5a2e..7451b3f4d 100644
--- a/health/health.d/mysql.conf
+++ b/health/health.d/mysql.conf
@@ -24,7 +24,7 @@ template: mysql_10s_slow_queries
warn: $this > (($status >= $WARNING) ? (5) : (10))
crit: $this > (($status == $CRITICAL) ? (10) : (20))
delay: down 5m multiplier 1.5 max 1h
- info: number of mysql slow queries over the last 10 seconds
+ info: number of slow queries in the last 10 seconds
to: dba
@@ -36,7 +36,7 @@ template: mysql_10s_table_locks_immediate
lookup: sum -10s absolute of immediate
units: immediate locks
every: 10s
- info: number of table immediate locks over the last 10 seconds
+ info: number of table immediate locks in the last 10 seconds
to: dba
template: mysql_10s_table_locks_waited
@@ -44,7 +44,7 @@ template: mysql_10s_table_locks_waited
lookup: sum -10s absolute of waited
units: waited locks
every: 10s
- info: number of table waited locks over the last 10 seconds
+ info: number of table waited locks in the last 10 seconds
to: dba
template: mysql_10s_waited_locks_ratio
@@ -55,7 +55,7 @@ template: mysql_10s_waited_locks_ratio
warn: $this > (($status >= $WARNING) ? (10) : (25))
crit: $this > (($status == $CRITICAL) ? (25) : (50))
delay: down 30m multiplier 1.5 max 1h
- info: the ratio of mysql waited table locks, for the last 10 seconds
+ info: ratio of waited table locks over the last 10 seconds
to: dba
@@ -70,7 +70,7 @@ template: mysql_connections
warn: $this > (($status >= $WARNING) ? (60) : (70))
crit: $this > (($status == $CRITICAL) ? (80) : (90))
delay: down 15m multiplier 1.5 max 1h
- info: the ratio of current active connections vs the maximum possible number of connections
+ info: client connections utilization
to: dba
@@ -84,7 +84,7 @@ template: mysql_replication
every: 10s
crit: $this == 0
delay: down 5m multiplier 1.5 max 1h
- info: checks if mysql replication has stopped
+ info: replication status (0: stopped, 1: working)
to: dba
template: mysql_replication_lag
@@ -95,7 +95,8 @@ template: mysql_replication_lag
warn: $this > (($status >= $WARNING) ? (5) : (10))
crit: $this > (($status == $CRITICAL) ? (10) : (30))
delay: down 15m multiplier 1.5 max 1h
- info: the number of seconds mysql replication is behind this master
+ 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
@@ -107,7 +108,7 @@ template: mysql_galera_cluster_size_max_2m
lookup: max -2m absolute
units: nodes
every: 10s
- info: max cluster size 2 minute
+ info: maximum galera cluster size in the last 2 minutes
to: dba
template: mysql_galera_cluster_size
@@ -118,7 +119,7 @@ template: mysql_galera_cluster_size
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
- info: cluster size has changed
+ info: current galera cluster size, compared to the maximum size in the last 2 minutes
to: dba
# galera node state
@@ -130,7 +131,8 @@ template: mysql_galera_cluster_state
warn: $this < 4
crit: $this < 2
delay: up 30s down 5m multiplier 1.5 max 1h
- info: node state (0: undefined, 1: joining, 2: donor/desynced, 3: joined, 4: synced)
+ info: galera node state \
+ (0: undefined, 1: joining, 2: donor/desynced, 3: joined, 4: synced)
to: dba
@@ -142,5 +144,7 @@ template: mysql_galera_cluster_status
every: 10s
crit: $mysql_galera_cluster_state != nan AND $this != 0
delay: up 30s down 5m multiplier 1.5 max 1h
- info: node and cluster status (-1: unknown, 0: primary/quorum present, 1: non-primary/quorum lost, 2: disconnected)
+ info: galera node cluster component status \
+ (-1: unknown, 0: primary/quorum present, 1: non-primary/quorum lost, 2: disconnected). \
+ Any other value than primary indicates that the node is part of a nonoperational component.
to: dba