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netmarkjp/mysql_connection_usage.sql

Last active August 29, 2015 13:56
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mysql_connection_usage.sql
select T_NOW.CONN / T_MAX.CONN * 100 as CONN_USAGE
from
( select 1 as k, VARIABLE_VALUE as CONN from information_schema.GLOBAL_STATUS where VARIABLE_NAME = 'Threads_connected' ) as T_NOW
join
(select 1 as k, VARIABLE_VALUE as CONN from information_schema.GLOBAL_VARIABLES where VARIABLE_NAME = 'max_connections' ) as T_MAX
on T_NOW.k = T_MAX.k
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replication connections are not counted.

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recommend: use with check_mysql_query

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