Oracle What problems do listening log files bring when they become too large ：
There are two main aspects ;
One 、 Unable to connect
listener.log Log file size cannot exceed 2G, More than that leads to listener The listener cannot process new connections , The system can't connect to the database . Such as ：tomcat Can't start , Error reporting connection timeout .
Two 、 Performance degradation
The listening log file is too large , Write to 、 There are some performance problems with viewing .