Mysqltuner: Difference between revisions
From DWIKI
m (→FAQ) |
|||
| (2 intermediate revisions by the same user not shown) | |||
| Line 17: | Line 17: | ||
==innodb_log_file_size should be (=16M) if possible, so InnoDB total log files size equals to 25% of buffer pool size== | ==innodb_log_file_size should be (=16M) if possible, so InnoDB total log files size equals to 25% of buffer pool size== | ||
That's current situation, so change log_file_size together with innodb_buffer_pool_size | That's current situation, so change log_file_size together with innodb_buffer_pool_size | ||
*[https://www.percona.com/blog/how-to-calculate-a-good-innodb-log-file-size/ Calculate good innodb_log_file_size] | |||
==Attempted to use login credentials from Debian maintenance account, but they failed.== | ==Attempted to use login credentials from Debian maintenance account, but they failed.== | ||
Find the secret mysqltuner config or use | Find the secret mysqltuner config or use | ||
mysqltuner --user root | mysqltuner --user root | ||
or | |||
mysqltuner --defaults-file ~/.my.cnf | |||
==Attempted to use login credentials from DirectAdmin, but they failed.== | |||
Check mysqladmin ping | |||
Latest revision as of 10:46, 31 May 2023
Links
FAQ
name resolution is active : a reverse name resolution is made for each new connection and can reduce performance
Option skip-name-resolve
Table cache hit rate: 0%
hmm
innodb_log_file_size should be (=16M) if possible, so InnoDB total log files size equals to 25% of buffer pool size
That's current situation, so change log_file_size together with innodb_buffer_pool_size
Attempted to use login credentials from Debian maintenance account, but they failed.
Find the secret mysqltuner config or use
mysqltuner --user root
or
mysqltuner --defaults-file ~/.my.cnf
Attempted to use login credentials from DirectAdmin, but they failed.
Check mysqladmin ping
