MediaWiki REL1_32
ILoadMonitor.php
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1<?php
24namespace Wikimedia\Rdbms;
25
26use Psr\Log\LoggerAwareInterface;
27use BagOStuff;
29
35interface ILoadMonitor extends LoggerAwareInterface {
44 public function __construct(
45 ILoadBalancer $lb, BagOStuff $sCache, WANObjectCache $wCache, array $options = []
46 );
47
54 public function scaleLoads( array &$weightByServer, $domain );
55
65 public function getLagTimes( array $serverIndexes, $domain );
66}
Class representing a cache/ephemeral data store.
Definition BagOStuff.php:58
Multi-datacenter aware caching interface.
null means default in associative array with keys and values unescaped Should be merged with default with a value of false meaning to suppress the attribute in associative array with keys and values unescaped & $options
Definition hooks.txt:2050
Database cluster connection, tracking, load balancing, and transaction manager interface.
An interface for database load monitoring.
__construct(ILoadBalancer $lb, BagOStuff $sCache, WANObjectCache $wCache, array $options=[])
Construct a new LoadMonitor with a given LoadBalancer parent.
scaleLoads(array &$weightByServer, $domain)
Perform load ratio adjustment before deciding which server to use.
getLagTimes(array $serverIndexes, $domain)
Get an estimate of replication lag (in seconds) for each server.
The wiki should then use memcached to cache various data To use multiple just add more items to the array To increase the weight of a make its entry a array("192.168.0.1:11211", 2))