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Type: Incident report
Resolution: Duplicate
Priority: Critical
Fix Version/s: None
Affects Version/s: 2.2.4, 2.2.6
Component/s: Proxy (P), Server (S)
Labels:
- performance
Environment:

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all machines:centos6.4 8core + 24Gmem

zabbix software: 1.zabbix-proxy-2.0.11+zabbix-server-2.0.11
                            2.zabbix-proxy-2.2.4+zabbix-server-2.2.4
                            2.zabbix-proxy-2.2.2+zabbix-server-2.2.4
                            2.zabbix-proxy-2.2.6+zabbix-server-2.2.6

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all machines:centos6.4 8core + 24Gmem zabbix software: 1.zabbix-proxy-2.0.11+zabbix-server-2.0.11                             2.zabbix-proxy-2.2.4+zabbix-server-2.2.4                             2.zabbix-proxy-2.2.2+zabbix-server-2.2.4                             2.zabbix-proxy-2.2.6+zabbix-server-2.2.6

when I upgrade my zabbix 2.0 to zabbix 2.2,but my zabbix-server performance dropped.
My one device have about 10000 items,when zabbix get snmp data from my this device cause CPU usage reaches 100% and some monitoring data loss.

In this my zabbix system,each device has about 4000~10000 items.