Contenu connexe Similaire à クックパッドのLVSについて Similaire à クックパッドのLVSについて (20) Plus de Sugawara Genki (20) クックパッドのLVSについて2. LVS
• karnel 2.6.18 (rebuild)
• Virtual Machine
• IPVS 1.2.1
• ipvsadm 1.24
• keepalived 1.1.9
4. LVS (FW-Web)
• Direct Routing(DR)
• MASTER/BACKUP LVS
•
•
• Real server Apache ×
• wget
5. LVS(Web-APP)
• Direct Routing(DR)
• MASTER/BACKAP LVS
• Rails
• mod_proxy_balancer Virtual IP
• Real server Passenger ×
• Rails wget
• URL
7. keepalived
•
• Real server
Include
•
• →reload Real server
/
8. keepalived
•
• ipvsadm
• reload
• inhibit_on_failure
• (weight=0)
reload
9. keepalived
•
• Weighted round-robin(wrr)
• Real server
• Weighted least connection(wlc)
Real server
10. keepalived
•
• MISC_CHECK + wget
• Real server
• HTTP_GET
• nb_get_retry
11. keepalived
•
• keepalived 1.1.8 MISC_CHECK
weight
• keepalived 1.1.9 rpmspec
1.1.8
12. • LVS ActConn InActConn
60,000 70,000
•
• Connection Hash Table Size
13. • munin
• Packet per sec
• Byte per sec
• Connection
• Weight
14. • Real server
‣ arp announce/arp ignore
‣
iptables
15. • keepalived reload
‣ reload
•
• vrrp
‣ weight reload
16. • Real server
‣ Real server loopback interface
‣ iptables
iptablse puppet
17. • Real server
‣ Virtual service
• DR Virtual service
‣ Virtual service Real server
• Howto iptables
http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-
HOWTO.rewrite_ports.html#re-mapping_ports_with_iptables
18. • mod_proxy_balancer
‣ retry
•
‣ retry 0
• BalancerMember ... retry=0