Performance Schema socket_instances Table
MariaDB starting with 10.0
socket_instances table lists active server connections, with each record being a Unix socket file or TCP/IP connection.
socket_instances table contains the following columns:
|Memory address of the object.|
|Thread identifier that the server assigns to each socket.|
|The socket's internal file handle.|
|Client IP address. Blank for Unix socket file, otherwise an IPv4 or IPv6 address. Together with the PORT identifies the connection.|
|TCP/IP port number, from 0 to 65535. Together with the IP identifies the connection.|
|Socket status, either |
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