Zabbix practices

Some useful informations about Zabbix server in production.

1. Zabbix server summary:
Hosts: 2,000+
Items: 170,000+ (After disabled 50% non-important items from 300,000+ items)
Zabbix Server: 1
Zabbix Proxy: 3 (For other 3 data centers, total backend hosts < 500)
MySQL Data size: 200G(with TokuDB engine and keep history data in 30 days)
MySQL QPS: 10,000~15,000

2. Zabbix server hardware:
CPU: Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz * 24 Cores
Memory: 64G RAM
Hard drives: 300G SAS*2(for OS)
Data drives: Shannon Direct-IO SSD G2(for MySQL)

3. Zabbix Server optimization:
MySQL: Percona TokuDB engine + Split big tables about history data
Items: Over 95% items are active/trapper

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