Hi, After the upgraded version, the history write cache parameter is abnormal, causing the web interface data loading delay, and the cache is getting lower and lower.

zabbix_server.conf config

ListenPort=10051
LogFile=/var/log/zabbix/zabbix_server.log
LogFileSize=10
DebugLevel=3
PidFile=/var/run/zabbix/zabbix_server.pid
SocketDir=/tmp
DBHost=localhost
DBName=
DBUser=
DBPassword=
DBSocket=
DBPort=3306
HistoryStorageURL=elasticsearch-coord-node
HistoryStorageTypes=uint,dbl,str,log,text
HistoryStorageDateIndex=1
StartPollers=100
StartPreprocessors=50
StartPollersUnreachable=50
StartTrappers=100
StartPingers=25
StartDiscoverers=20
StartHTTPPollers=20
StartTimers=10
StartEscalators=15
StartAlerters=15
ListenIP=0.0.0.0
HousekeepingFrequency=0
MaxHousekeeperDelete=100000
CacheSize=8G
CacheUpdateFrequency=30
StartDBSyncers=60
HistoryCacheSize=2G
HistoryIndexCacheSize=128M
TrendCacheSize=256M
ValueCacheSize=12G
Timeout=30
UnreachablePeriod=45
UnavailableDelay=60
AlertScriptsPath=/etc/zabbix/alertscripts
ExternalScripts=/etc/zabbix/externalscripts
FpingLocation=/usr/sbin/fping
Fping6Location=/usr/sbin/fping6
SSHKeyLocation=
LogSlowQueries=5000
TmpDir=/tmp
StartProxyPollers=15
ProxyDataFrequency=600
AllowRoot=0
User=zabbix

links

  https://support.zabbix.com/browse/ZBX-15662