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flush status;
flush hosts;
select @@global.debug;
@@global.debug
show global status like "connection_errors_%";
Variable_name Value
Connection_errors_accept 0
Connection_errors_internal 0
Connection_errors_max_connections 0
Connection_errors_peer_address 0
Connection_errors_select 0
Connection_errors_tcpwrap 0
select "Con1 is alive";
Con1 is alive
Con1 is alive
select current_user();
current_user()
root@localhost
set global debug= "+d,vio_peer_addr_error";
ERROR HY000: Can't get hostname for your address
show global status like "connection_errors_%";
Variable_name Value
Connection_errors_accept 0
Connection_errors_internal 0
Connection_errors_max_connections 0
Connection_errors_peer_address 1
Connection_errors_select 0
Connection_errors_tcpwrap 0
"Dumping performance_schema.host_cache"
ERROR HY000: Can't get hostname for your address
show global status like "connection_errors_%";
Variable_name Value
Connection_errors_accept 0
Connection_errors_internal 0
Connection_errors_max_connections 0
Connection_errors_peer_address 2
Connection_errors_select 0
Connection_errors_tcpwrap 0
"Dumping performance_schema.host_cache"
set global debug= default;
flush status;
show global status like "connection_errors_%";
Variable_name Value
Connection_errors_accept 0
Connection_errors_internal 0
Connection_errors_max_connections 0
Connection_errors_peer_address 0
Connection_errors_select 0
Connection_errors_tcpwrap 0
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