added mysql slow_queries and waited locks alarms; #1454
Costa Tsaousis (ktsaou) committed
Dec 29, 2016 at 18:10 UTC
796dec5d29c6ff55cc5f30febe9e669289c84b5f
1 file changed
+46
conf.d/health.d/mysql.conf
+46
@@ -11,3 +11,49 @@ template: mysql_last_collected_secs
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delay: down 5m multiplier 1.5 max 1h
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info: number of seconds since the last successful data collection
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to: dba
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+
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+# -----------------------------------------------------------------------------
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+# slow queries
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+
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+template: mysql_10s_slow_queries
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+ on: mysql.queries
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+ lookup: sum -10s of slow_queries
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+ units: slow queries
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+ every: 10s
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+ warn: $this > (($status >= $WARNING) ? (5) : (10))
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+ crit: $this > (($status == $CRITICAL) ? (10) : (20))
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+ delay: down 5m multiplier 1.5 max 1h
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+ info: number of mysql slow queries over the last 10 seconds
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+ to: dba
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+
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+
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+# -----------------------------------------------------------------------------
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+# lock waits
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+
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+template: mysql_10s_table_locks_immediate
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+ on: mysql.table_locks
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+ lookup: sum -10s absolute of immediate
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+ units: immediate locks
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+ every: 10s
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+ info: number of table immediate locks over the last 10 seconds
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+ to: dba
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+
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+template: mysql_10s_table_locks_waited
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+ on: mysql.table_locks
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+ lookup: sum -10s absolute of waited
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+ units: waited locks
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+ every: 10s
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+ info: number of table waited locks over the last 10 seconds
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+ to: dba
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+
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+template: mysql_10s_waited_locks_ratio
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+ on: mysql.table_locks
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+ calc: $mysql_10s_table_locks_waited * 100 / ( $mysql_10s_table_locks_waited + $mysql_10s_table_locks_immediate)
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+ units: %
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+ every: 10s
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+ warn: $this > (($status >= $WARNING) ? (10) : (20))
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+ crit: $this > (($status == $CRITICAL) ? (20) : (50))
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+ delay: down 5m multiplier 1.5 max 1h
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+ info: the ratio of mysql waited table locks, for the last 10 seconds
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+ to: dba
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+