Basic MySQL load monitor with no external dependencies Uses memcached to cache the replication lag for a short time. More...
Public Member Functions | |
| __construct ($parent) | |
| Construct a new LoadMonitor with a given LoadBalancer parent. | |
| getLagTimes ($serverIndexes, $wiki) | |
| Return an estimate of replication lag for each server. | |
| scaleLoads (&$loads, $group=false, $wiki=false) | |
| Perform pre-connection load ratio adjustment. | |
Public Attributes | |
| LoadBalancer | $parent |
| * | |
Detailed Description
Basic MySQL load monitor with no external dependencies Uses memcached to cache the replication lag for a short time.
Definition at line 74 of file LoadMonitor.php.
Constructor & Destructor Documentation
| LoadMonitorMySQL::__construct | ( | $ | parent | ) |
Construct a new LoadMonitor with a given LoadBalancer parent.
- Parameters:
-
LoadBalancer $parent
Implements LoadMonitor.
Definition at line 77 of file LoadMonitor.php.
References $parent.
Member Function Documentation
| LoadMonitorMySQL::getLagTimes | ( | $ | serverIndexes, |
| $ | wiki | ||
| ) |
Return an estimate of replication lag for each server.
- Parameters:
-
array $serverIndexes string $wiki
- Returns:
- array
Implements LoadMonitor.
Definition at line 84 of file LoadMonitor.php.
References $section, $wgMemc, array(), as, empty, global, wfGetMainCache(), wfIncrStats(), and wfMemcKey().
| LoadMonitorMySQL::scaleLoads | ( | &$ | loads, |
| $ | group = false, |
||
| $ | wiki = false |
||
| ) |
Perform pre-connection load ratio adjustment.
- Parameters:
-
array $loads string | bool $group The selected query group. Default: false string | bool $wiki Default: false
Implements LoadMonitor.
Definition at line 81 of file LoadMonitor.php.
Member Data Documentation
| LoadBalancer LoadMonitorMySQL::$parent |
The documentation for this class was generated from the following file:
- includes/db/LoadMonitor.php
