| Server IP : 185.86.78.101 / Your IP : 216.73.216.213 Web Server : Apache System : Linux 675867-vds-valikoshka1996.gmhost.pp.ua 5.4.0-150-generic #167-Ubuntu SMP Mon May 15 17:35:05 UTC 2023 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /www/server/mysql/mysql-test/r/ |
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SELECT * FROM mysql.server_cost;
cost_name cost_value last_update comment
disk_temptable_create_cost NULL # NULL
disk_temptable_row_cost NULL # NULL
key_compare_cost NULL # NULL
memory_temptable_create_cost NULL # NULL
memory_temptable_row_cost NULL # NULL
row_evaluate_cost NULL # NULL
SELECT * FROM mysql.engine_cost;
engine_name device_type cost_name cost_value last_update comment
default 0 io_block_read_cost NULL # NULL
default 0 memory_block_read_cost NULL # NULL
RENAME TABLE mysql.engine_cost TO mysql.engine_cost_renamed;
"Restarting MySQL server"
# restart
"MySQL restarted"
RENAME TABLE mysql.engine_cost_renamed TO mysql.engine_cost;
SELECT * FROM mysql.engine_cost;
engine_name device_type cost_name cost_value last_update comment
default 0 io_block_read_cost NULL # NULL
default 0 memory_block_read_cost NULL # NULL
INSERT INTO mysql.server_cost
VALUES ("lunch_cost", 1.0, CURRENT_TIMESTAMP, "Lunch is important");
UPDATE mysql.server_cost
SET cost_value=-1.0
WHERE cost_name="row_evaluate_cost";
UPDATE mysql.server_cost
SET cost_value=0.0
WHERE cost_name="key_compare_cost";
"Restarting MySQL server"
# restart
"MySQL restarted"
DELETE FROM mysql.server_cost
WHERE cost_name LIKE "lunch_cost%";
UPDATE mysql.server_cost
SET cost_value=NULL
WHERE cost_name="row_evaluate_cost";
UPDATE mysql.server_cost
SET cost_value=NULL
WHERE cost_name="key_compare_cost";
INSERT INTO mysql.engine_cost
VALUES ("InnoDB", 0, "lunch_cost", 1.0, CURRENT_TIMESTAMP, "Lunch is important");
UPDATE mysql.engine_cost
SET cost_value=0.0
WHERE cost_name="io_block_read_cost";
INSERT INTO mysql.engine_cost
VALUES ("Falcon", 0, "io_block_read_cost", 1.0, CURRENT_TIMESTAMP, "Unknown storage engine");
INSERT INTO mysql.engine_cost
VALUES ("InnoDB", -1, "io_block_read_cost", 1.0, CURRENT_TIMESTAMP, "1 is an illegal device type");
"Restarting MySQL server"
# restart
"MySQL restarted"
DELETE FROM mysql.engine_cost
WHERE cost_name LIKE "lunch_cost%";
UPDATE mysql.engine_cost
SET cost_value=NULL;
DELETE FROM mysql.engine_cost
WHERE device_type = -1;
DELETE FROM mysql.engine_cost
WHERE engine_name LIKE "Falcon";
SELECT * FROM mysql.server_cost;
cost_name cost_value last_update comment
disk_temptable_create_cost NULL # NULL
disk_temptable_row_cost NULL # NULL
key_compare_cost NULL # NULL
memory_temptable_create_cost NULL # NULL
memory_temptable_row_cost NULL # NULL
row_evaluate_cost NULL # NULL
SELECT * FROM mysql.engine_cost;
engine_name device_type cost_name cost_value last_update comment
default 0 io_block_read_cost NULL # NULL
default 0 memory_block_read_cost NULL # NULL