hosts table contains a row
for each host from which clients have connected to the MySQL
server. For each host name, the table counts the current and
total number of connections. The table size is autosized at
server startup. To set the table size explicitly, set the
system variable at server startup. To disable host statistics,
set this variable to 0.
hosts table has the following
columns. For a description of how the Performance Schema
maintains rows in this table, including the effect of
TRUNCATE TABLE, see
Section 22.9.7, “Performance Schema Connection Tables”.
The host name from which the client connected, or
NULL for an internal thread or user
session that failed to authenticate.
The current number of connections for the host.
The total number of connections for the host.
hosts table was added in
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