mangosR2/mangos — comment on commit f14fcf8dfb7cf9ae083fe6bac8c01afeb7fb2783
File:  line 0
By Undergarun:

ERROR:World::Statistic AHBot 0 AuctionMgr 0 BattleGroundMgr 0 Begin 0 CLI 0 LFGMgr 0 MapMgr 992 MapPersistentStateMgr 0 MassMailMgr 0 Quests+RandomBG 0 RemoveAllObjectsInRemoveList 0 Sessions 150 TerrainMgr 0 UpdateResulttQueue 0 Uptime 0 WorldPvPMgr 0

When MapMgr increase 500 = lag, and keeps with hight value on every statistic output until server reboot.