4.4 Connection Activity Metrics

Lists the Connection Activity metrics and provides a brief description of each.

Table 4.3 Connection Activity Metrics

NameDescription
Aborted Clients (Delta)The number of connections that were aborted because the client died without closing the connection properly.
Aborted Connects (Delta)The number of failed attempts to connect to the MySQL server.
Bytes Received (Delta)The number of bytes received from all clients.
Bytes Sent (Delta)The number of bytes sent to all clients.
Connections (Delta)The number of connection attempts (successful or not) to the MySQL server.
Max Used Connections (Total)The maximum number of connections that have been in use simultaneously since the server started.
Failed Attempted Connections To The Server (Rate)Excess aborted connection attempts to MySQL may indicate an issue with respect to the server or network, or could be indicative of DoS or password-cracking attempts against the MySQL Server. The aborted-connects count is incremented when: A client does not have privileges to access a database A client uses the wrong password A malformed packet is received The connect_timeout variable is exceeded