zabbix server配置优化

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[root@localhost ~]# cat /etc/zabbix/zabbix_server.conf | egrep -v "#|^$"
ListenPort=10051
LogFile=/var/log/zabbix/zabbix_server.log
LogFileSize=100
DebugLevel=3
PidFile=/var/run/zabbix/zabbix_server.pid
SocketDir=/var/run/zabbix
DBName=zabbix
DBUser=zabbix
DBPassword=zabbix
DBSocket=/var/lib/mysql/mysql.sock
HistoryStorageDateIndex=1
StartPollers=15
StartIPMIPollers=3
StartPreprocessors=10
StartPollersUnreachable=5
StartTrappers=5
StartPingers=10
StartDiscoverers=5
StartHTTPPollers=15
StartTimers=3
StartEscalators=3
StartAlerters=10
StartVMwareCollectors=3
VMwareFrequency=60
VMwarePerfFrequency=60
VMwareCacheSize=64M
VMwareTimeout=10
SNMPTrapperFile=/var/log/snmptrap/snmptrap.log
ListenIP=0.0.0.0
HousekeepingFrequency=12
MaxHousekeeperDelete=100000
CacheSize=1024M
CacheUpdateFrequency=60
HistoryCacheSize=256M
HistoryIndexCacheSize=256M
TrendCacheSize=256M
ValueCacheSize=256M
Timeout=15
TrapperTimeout=60
UnreachablePeriod=60
UnavailableDelay=60
UnreachableDelay=45
AlertScriptsPath=/usr/lib/zabbix/alertscripts
ExternalScripts=/usr/lib/zabbix/externalscripts
LogSlowQueries=3000
StatsAllowedIP=127.0.0.1