old connection 按 sqlTimeout 阀值kill
old connection 按 sqlTimeout 阀值kill

magicdoom/Mycat-Server,ccvcd/Mycat-Server,magicdoom/Mycat-Server,magicdoom/Mycat-Server,ccvcd/Mycat-Server,ccvcd/Mycat-Server,ccvcd/Mycat-Server,magicdoom/Mycat-Server