How to load object quickly?

My current server load object is very slow whenever I spec or tele on a player, there is a delay phenomenon that someone can help me fix and load the object quickly please, Sorry Bad Enlights
onfoot_rate 40
incar_rate 40
weapon_rate 40
stream_distance 300.0
stream_rate 1000
maxnpc 0
logtimeformat [%d/%m/%Y %H:%M:%S]
language Vietnamese
mapname SF/LS
lagcompmode 1
playertimeout 10000
messageholelimit 900
ackslimit 7000
rcon 0