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Monitoring client connections to a Maria Database server typically provide insights into the workload of the server and whether/not the server is sized well-enough to handle the load. This is exactly the type of visibility the MariaConnTest test provides. This test tracks client connections to the target server and reports their usage. With the help of the metrics reported by this test, administrators can assess the load on the server and can determine whether/not the server has sufficient free connections to handle subsequent connection requests. Based on these insights, administrators can plan the future connection capacity of the server.

Measurement	Description	Measurement Unit	Interpretation
Active_conns	Indicates the count of incoming connections that were opened by the clients to the server.	Number	This is a good measure of the current load on the server. A persistent high value or a bottleneck in the server is an indication for the administrator to check if the connections are not closed properly.
Conns_aborted	Indicates the number of connections that were aborted due to the client terminating the connection instead of closing the connection during the last measurement period.	Number
Conns_create_rate	Indicates the rate at which connections were created to connect to the server from the clients during the last measurement period.	Connections/sec
Conns_failed	Indicates the number of connection that failed on the server during the last measurement period.	Number	A high value of this measure may be an indication of either a configuration problem with the server/clients or some malicious attack on the server.
Max_conns	Indicates the maximum number of connections that were simultaneously in use on the server during the last measurement period.	Number