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hi everyone:
I do test throughput of lvs server, the mode is fullnat. Num of director
is only one.The testing tool is webbentch, when throughput more than 50,000，
It's not increase, I do not know what is the reason, I optimization params of
kernal, include limits of open file, tcp connection. etc, thank you
my ipvs version:
[root@xxxxxxxxxxxxxxx ~]# ipvsadm
IP Virtual Server version 1.2.1 (size=4194304)
kernel:
Linux lvs-test 2.6.32 #1 SMP Wed May 21 14:31:51 CST 2014 x86_64 x86_64 x86_64
GNU/Linux
optimization of kernel:
net.nf_conntrack_max = 25000000
net.netfilter.nf_conntrack_max = 25000000
net.netfilter.nf_conntrack_tcp_timeout_established = 1500
net.ipv4.tcp_max_tw_buckets = 6000
net.ipv4.tcp_sack = 1
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_rmem = 4096 87380 4194304
net.ipv4.tcp_wmem = 4096 16384 4194304
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.core.netdev_max_backlog = 262144
net.core.somaxconn = 262144
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_syn_retries = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_fin_timeout = 100
net.ipv4.tcp_keepalive_time = 30
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.route.flush = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.rp_filter = 1
net.ipv4.tcp_syncookies = 0
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv4.tcp_max_syn_backlog = 819200
net.ipv4.tcp_synack_retries = 1
net.ipv4.tcp_max_tw_buckets = 819200
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
net.core.netdev_max_backlog = 500000
net.ipv4.ip_forward=1
net.ipv4.ip_conntrack_max=1024000
[root@xxxxxxxxxxxxxxx ~]# ulimit -n
655350
log:
Aug 14 15:06:07 10 Keepalived_healthcheckers: TCP connection to
[10.153.75.152]:80 success.
Aug 14 15:06:07 10 Keepalived_healthcheckers: Enabling service
[10.153.75.152]:80 to VS [test]:0
Aug 14 15:06:15 10 Keepalived_healthcheckers: TCP connection to
[10.153.74.85]:80 failed !!!
Aug 14 15:06:15 10 Keepalived_healthcheckers: Disabling service
[10.153.74.85]:80 from VS [test]:0
Aug 14 15:06:18 10 Keepalived_healthcheckers: TCP connection to
[10.153.74.139]:80 failed !!!
Aug 14 15:06:18 10 Keepalived_healthcheckers: Disabling service
[10.153.74.139]:80 from VS [test]:0
Aug 14 15:06:22 10 Keepalived_healthcheckers: TCP connection to
[10.153.74.85]:80 success.
Aug 14 15:06:22 10 Keepalived_healthcheckers: Enabling service
[10.153.74.85]:80 to VS [test]:0
Aug 14 15:06:25 10 Keepalived_healthcheckers: TCP connection to
[10.153.74.139]:80 success.
Aug 14 15:06:25 10 Keepalived_healthcheckers: Enabling service
[10.153.74.139]:80 to VS [test]:0
Aug 14 15:06:43 10 Keepalived_healthcheckers: TCP connection to
[10.153.75.153]:80 failed !!!
Aug 14 15:06:43 10 Keepalived_healthcheckers: Disabling service
[10.153.75.153]:80 from VS [test]:0
Aug 14 15:06:50 10 Keepalived_healthcheckers: TCP connection to
[10.153.75.153]:80 success.
Aug 14 15:06:50 10 Keepalived_healthcheckers: Enabling service
[10.153.75.153]:80 to VS [test]:0
Aug 14 15:06:52 10 Keepalived_healthcheckers: TCP connection to
[10.153.74.140]:80 failed !!!
Aug 14 15:06:52 10 Keepalived_healthcheckers: Disabling service
[10.153.74.140]:80 from VS [test]:0
Aug 14 15:06:59 10 Keepalived_healthcheckers: TCP connection to
[10.153.74.140]:80 success.
Aug 14 15:06:59 10 Keepalived_healthcheckers: Enabling service
[10.153.74.140]:80 to VS [test]:0
Aug 14 15:07:12 10 Keepalived_healthcheckers: TCP connection to
[10.153.75.56]:80 failed !!!
Aug 14 15:07:12 10 Keepalived_healthcheckers: Disabling service
[10.153.75.56]:80 from VS [test]:0
Aug 14 15:07:19 10 Keepalived_healthcheckers: TCP connection to
[10.153.75.56]:80 success.
Aug 14 15:07:19 10 Keepalived_healthcheckers: Enabling service
[10.153.75.56]:80 to VS [test]:0
Aug 14 15:07:24 10 Keepalived_healthcheckers: TCP connection to
[10.153.74.85]:80 failed !!!
Aug 14 15:07:24 10 Keepalived_healthcheckers: Disabling service
[10.153.74.85]:80 from VS [test]:0
Aug 14 15:07:28 10 Keepalived_healthcheckers: TCP connection to
[10.153.75.153]:80 failed !!!
Aug 14 15:07:28 10 Keepalived_healthcheckers: Disabling service
[10.153.75.153]:80 from VS [test]:0
Aug 14 15:07:31 10 Keepalived_healthcheckers: TCP connection to
[10.153.74.85]:80 success.
Aug 14 15:07:31 10 Keepalived_healthcheckers: Enabling service
[10.153.74.85]:80 to VS [test]:0
Aug 14 15:07:35 10 Keepalived_healthcheckers: TCP connection to
[10.153.75.153]:80 success.
Aug 14 15:07:35 10 Keepalived_healthcheckers: Enabling service
[10.153.75.153]:80 to VS [test]:0
iptables: iptables is stopped
route table:
[root@xxxxxxxxxxx ~]# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
172.27.0.0 172.27.0.9 255.255.255.252 UG 101 0 0 eth1
172.27.0.4 172.27.0.9 255.255.255.252 UG 101 0 0 eth1
172.27.0.8 0.0.0.0 255.255.255.252 U 0 0 0 eth1
172.27.0.16 172.27.0.9 255.255.255.252 UG 101 0 0 eth1
172.27.0.20 172.27.0.9 255.255.255.252 UG 101 0 0 eth1
10.153.72.0 0.0.0.0 255.255.248.0 U 0 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 eth0
169.254.0.0 0.0.0.0 255.255.0.0 U 1003 0 0 eth1
10.0.0.0 10.153.79.254 255.0.0.0 UG 0 0 0 eth0
0.0.0.0 172.27.0.9 0.0.0.0 UG 0 0 0 eth1
keepalived conf：
the num of realserver is 14:
gobal_defs {
notification_email {
acassen@xxxxxxxxxxxx
failover@xxxxxxxxxxxx
sysadmin@xxxxxxxxxxxx
}
notification_email_from Alexandre.Cassen@xxxxxxxxxxxx
smtp_connect_timeout 30
router_id LVS_DEVEL
}
local_address_group laddr_g1 {
10.153.72.2
}
vrrp_instance VI_1 {
state MASTER
interface eth1
virtual_router_id 200
priority 150
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
virtual_ipaddress {
xxx.xxx.xxx.xxx/32
}
}
virtual_server_group test {
xxx.xxx.xxx.xxx 80 //vip1
}
virtual_server group test {
delay_loop 7
lb_algo rr
lb_kind FNAT
laddr_group_name laddr_g1
protocol TCP
# syn_proxy
# persistence_timeout 50
omega
quorum 1
alpha
hysteresis 0
real_server 10.153.75.118 80 {
weight 1
inhibit_on_failure
TCP_CHECK {
connect_timeout 3
nb_get_retry 2
delay_before_retry 5
}
}
real_server 10.153.74.139 80 {
weight 1
inhibit_on_failure
TCP_CHECK {
connect_timeout 3
nb_get_retry 2
delay_before_retry 5
}
}
real_server 10.153.74.140 80 {
weight 1
inhibit_on_failure
TCP_CHECK {
connect_timeout 3
#nb_get_retry 2
#delay_before_retry 5
}
}
.
.
.
}
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