调整zabbix_server参数 /usr/local/zabbix/etc/zabbix_server.conf
StartPollers=160
StartPollersUnreacheable=80
StartTrappers=20
StartPingers=100
StartDiscoverers=120
Cachesize=1024M
startDBSyncers=16
HistoryCacheSize=1024M
TrendCacheSize=1024M
HIstoryTextCacheSize=512M
重启zabbix_server