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Marc Delisle 2011-11-02 15:17:48 -04:00
parent 362f7ab303
commit 4e2533f506
1 changed files with 1 additions and 1 deletions
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libraries/advisory_rules.txt
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@ -414,7 +414,7 @@ rule 'InnoDB log size' [innodb_buffer_pool_size > 0]
innodb_log_file_size / innodb_buffer_pool_size * 100
value < 20
The InnoDB log file size is not an appropriate size, in relation to the InnoDB buffer pool.
Especially one a system with a lot of writes to InnoDB tables you should set innodb_log_file_size to 25% of {innodb_buffer_pool_size}. However the bigger this value, the longer the recovery time will be when database crashes, so this value should not be set much higher than 256 MiB. Please note however that you cannot simply change the value of this variable. You need to shutdown the server, remove the InnoDB log files, set the new value in my.cnf, start the server, then check the error logs if everything went fine. See also <a href="http://mysqldatabaseadministration.blogspot.com/2007/01/increase-innodblogfilesize-proper-way.html">this blog entry</a>
Especially on a system with a lot of writes to InnoDB tables you should set innodb_log_file_size to 25% of {innodb_buffer_pool_size}. However the bigger this value, the longer the recovery time will be when database crashes, so this value should not be set much higher than 256 MiB. Please note however that you cannot simply change the value of this variable. You need to shutdown the server, remove the InnoDB log files, set the new value in my.cnf, start the server, then check the error logs if everything went fine. See also <a href="http://mysqldatabaseadministration.blogspot.com/2007/01/increase-innodblogfilesize-proper-way.html">this blog entry</a>
Your InnoDB log size is at %s% in relation to the InnoDB buffer pool size, it should not be below 20% | round(value,1)
rule 'Max InnoDB log size' [innodb_buffer_pool_size > 0 && innodb_log_file_size / innodb_buffer_pool_size * 100 < 30]