rdbms: move "maxLag" parameter up to LBFactory and add comments

[lhc/web/wiklou.git] / includes / libs / rdbms / loadbalancer / ILoadBalancer.php

diff --git a/includes/libs/rdbms/loadbalancer/ILoadBalancer.php b/includes/libs/rdbms/loadbalancer/ILoadBalancer.php
index e1a3162..b20bf04 100644 (file)
--- a/includes/libs/rdbms/loadbalancer/ILoadBalancer.php
+++ b/includes/libs/rdbms/loadbalancer/ILoadBalancer.php
@@ -101,7 +101,7 @@ interface ILoadBalancer {
         *  - loadMonitor : Name of a class used to fetch server lag and load.
         *  - readOnlyReason : Reason the master DB is read-only if so [optional]
         *  - waitTimeout : Maximum time to wait for replicas for consistency [optional]
-        *  - maxLag: Avoid replica DB servers with more lag than this [optional]
+        *  - maxLag: Try to avoid DB replicas with lag above this many seconds [optional]
         *  - srvCache : BagOStuff object for server cache [optional]
         *  - wanCache : WANObjectCache object [optional]
         *  - chronologyCallback: Callback to run before the first connection attempt [optional]