tomcat - MySQL number of connections not increasing -
i have set mysql max_connections variable 1024. i'm using connection pool connect database.
<resource type="javax.sql.datasource" name="jdbc/testdb" factory="org.apache.tomcat.jdbc.pool.datasourcefactory" driverclassname="com.mysql.jdbc.driver" url="jdbc:mysql://192.168.2.110:3306/testdb?zerodatetimebehavior=converttonull&autoreconnect=true" username="test" password="test" initialsize="10" maxactive="1000" maxwait="60000" maxidle="50" removeabandonedtimeout="300" removeabandoned="true" minidle="10" /> but when i'm running application, application threads blocked database connections. while application running execute following query:
show status `variable_name` = 'threads_connected'; it gives me answer of 131. shouldn't increase until reaching max_connections parameter?
the status value max_used_connections highwater mark threads_connected. find 1000. "131" current number of connections.
there 1 connection reserved super users in. seen in max_used_connections = 1025 when max_connections 1024.
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