~~REDIRECT>percona-server:features:control_global_slow~~

====== Patch: control_global_slow ======

This patch similar to [[use_global_long_query_time]]. As it, patch allow choose variable scope for variables of [[slow_extended]] (settings //slow query log//).

This patch is included as part of [[slow_extended]].

===== Version-Specific Information =====

^ Percona-Server Version ^ Comments ^
| [[http://www.percona.com/docs/wiki/percona-server:release_notes_51#release_5147-110|5.1.47-11.0]] | Full functionality, except "all" option and link between user_global_long_query_time and use_global_log_slow_control=long_query_time available. |
| [[http://www.percona.com/docs/wiki/percona-server:release_notes_51#release_5147-120|5.1.47-12.0]] | Full functionality available. |

===== Variables Provided =====

==== use_global_log_slow_control ====

|     Type|System and command-line variable|
|    Scope|Global|
|  Dynamic|Yes|
|  Default|none|

Specifies which variable is the global scope instead of local. Value is a "flag" variable - you can specify multiple values separated by commas

^ Value ^ Explanation ^
|none| All variables use local scope|
|log_slow_filter| Global variable log_slow_filter has effect (instead of local)|
|log_slow_rate_limit| Global variable log_slow_rate_limit has effect (instead of local)|
|log_slow_verbosity| Global variable log_slow_verbosity has effect (instead of local)|
|long_query_time| Global variable long_query_time has effect (instead of local)|
|min_examined_row_limit| Global variable min_examined_row_limit has effect (instead of local)|
|all                   | Global variables has effect (instead of loval)|


===== Related Reading =====

  * [[slow_extended]]
  * [[use_global_long_query_time]]