Schema name must be divided from table name, now both of them joined, so you can't copy-paste recomendations to mysql console.
Was: OPTIMIZE TABLE `test_db.test_table`; -- can free xx MB
Must: OPTIMIZE TABLE `test_db`.`test_table`; -- can free xx MB
Since calculating the recommended value for "wsrep_slave_threads" using the number of physical cores is best practice for Intel CPUs where hyperthreading is activated.
MySQL name resolution only applies to TCP/IP connections ( see lines 504 and 599 of mysql-server/sql/sql_connect.cc ). Thus there is no reason to test, or suggest, setting skip_name_resolve if skip_networking exists and is turned on.
Argument "NULL" isn't numeric in numeric ge (>=) at ./mysqltuner.pl line 305 (#1)
(W numeric) The indicated string was fed as an argument to an operator
that expected a numeric value instead. If you're fortunate the message
will identify which operator was so unfortunate.
Argument "NULL" isn't numeric in numeric ge (>=) at mysqltuner.pl line 288 (#1)
(W numeric) The indicated string was fed as an argument to an operator
that expected a numeric value instead. If you're fortunate the message
will identify which operator was so unfortunate.
[--] +-- ROWS : 0
Argument "NULL" isn't numeric in numeric eq (==) at mysqltuner.pl line 343 (#1)
(W numeric) The indicated string was fed as an argument to an operator
that expected a numeric value instead. If you're fortunate the message
will identify which operator was so unfortunate.
[--] +-- ENGIN : 0 (NULL)
Argument "NULL" isn't numeric in numeric lt (<) at mysqltuner.pl line 3847 (#1)
It is possible to spy username and password if command run
with --user/-pass options (ps -C mysqltuner.pl -F).
To hiding these added options --userenv/--passenv for
transfer MySQL username and password via environment
variables.
