Linux-HAproxy+Keepalived
HAproxy
+++++++++++++Info+++++++++++
VIP:192.168.1.222
HA-Master IP:192.168.1.117
HA-Backup IP:192.168.1.118
Realserver1IP:192.168.1.120
Realserver2IP:192.168.1.121
service iptables stop
chkconfig iptables off
setenforce 0
getenforce ->Permissive
++++++++++++keepalived+chk_haproxy.sh+++++++++MASTER and BACKUP
global_defs {
router_id LVS_DEVEL
}
vrrp_script chk_haproxy {
script "/etc/keepalived/chk_haproxy.sh"
interval 2
weight 2
}
vrrp_instance VI_1 {
state MASTER #BACKUP
interface eth0
virtual_router_id 51
priority 100 #99
advert_int 1
mcast_src_ip 192.168.1.177 #MASTER or BACKUP IP
authentication {
auth_type PASS
auth_pass 111111
}
track_script {
chk_haproxy
}
virtual_ipaddress {
192.168.1.222 #VIP
}
}
-------------------------------------------------chk_haproxy.sh on MSTER and BACKUP
status=$(ps aux|grep haproxy | grep -v grep | grep -v bash | wc -l)
if [ "${status}" = "0" ]; then
/etc/init.d/haproxy start
status2=$(ps aux|grep haproxy | grep -v grep | grep -v bash |wc -l)
if [ "${status2}" = "0" ]; then
/etc/init.d/keepalived stop
fi
fi
++++++++++++keepalived+chk_haproxy.sh+++++++++
service keepalived start
++++++++++++HAPROXY.CFG+++++++++
global
# local2.* /var/log/haproxy.log
log 127.0.0.1 local2
chroot /var/lib/haproxy
pidfile /var/run/haproxy.pid
maxconn 4000
user root
group root
daemon
defaults
mode http
log global
option httplog
option dontlognull
option http-server-close
option forwardfor except 127.0.0.0/8
option redispatch
retries 3
timeout http-request 10s
timeout queue 1m
timeout connect 10s
timeout client 1m
timeout server 1m
timeout http-keep-alive 10s
timeout check 10s
maxconn 10000
listen stats
mode http
bind 0.0.0.0:
stats enable
stats hide-version
stats uri /haproxyadmin?stats
stats realm Haproxy\ Statistics
stats auth admin:admin
stats admin if TRUE
frontend http-in
bind *:80
mode http
log global
option httpclose
option logasap
option dontlognull
capture request header Host len 20
capture request header Referer len 60
default_backend servers
frontend healthcheck
bind :1099
mode http
option httpclose
option forwardfor
default_backend servers
backend servers
balance roundrobin
server websrv1 192.168.1.121:80 check maxconn 3000
server websrv2 192.168.1.120:80 check maxconn 3000
++++++++++++HAPROXY.CFG+++++++++
service keepalived start
http://192.168.1.177:1080/haproxyadmin?stats username:admin Password:admin
=========================MARK For ab -n 3000 -c 3000 http://192.168.1.222/
ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 3720
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 3720
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
=================
|| ulimit -n 6000 ||
=================
=========================MARK
Linux-HAproxy+Keepalived的更多相关文章
- haproxy+keepalived实现高可用负载均衡
软件负载均衡一般通过两种方式来实现:基于操作系统的软负载实现和基于第三方应用的软负载实现.LVS就是基于Linux操作系统实现的一种软负载,HAProxy就是开源的并且基于第三应用实现的软负载. HA ...
- Haproxy+Keepalived搭建Weblogic高可用负载均衡集群
配置环境说明: KVM虚拟机配置 用途 数量 IP地址 机器名 虚拟IP地址 硬件 内存3G 系统盘20G cpu 4核 Haproxy keepalived 2台 192.168.1.10 192 ...
- Haproxy+Keepalived负载均衡
Haproxy介绍 HAProxy是一个特别适用于高可用性环境的TCP/HTTP开源的反向代理和负载均衡软件.在7层负载均衡方面的功能很强大(支持cookie track, header rewrit ...
- haproxy+keepalived(涵盖了lvs,nginx.haproxy比较)
文章转载自: haproxy+keepalived https://cloud.tencent.com/developer/article/1026385 网络四层和七层的区别 https: ...
- Haproxy+Keepalived高可用环境部署梳理(主主和主从模式)
Nginx.LVS.HAProxy 是目前使用最广泛的三种负载均衡软件,本人都在多个项目中实施过,通常会结合Keepalive做健康检查,实现故障转移的高可用功能. 1)在四层(tcp)实现负载均衡的 ...
- 基于HAProxy+Keepalived高可用负载均衡web服务的搭建
一 原理简介 1.HAProxyHAProxy提供高可用性.负载均衡以及基于TCP和HTTP应用的代理,支持虚拟主机,它是免费.快速并且可靠的一种解决方案.HAProxy特别适用于那些负载特大的web ...
- haproxy+keepalived实现web集群高可用性[转]
负载均衡集群的概念 负载均衡是设计分布式系统架构必须要考虑的因素之一,它指的是通过调度分发的方式尽可能将“请求”.“访问”的压力负载平均分摊到集群中的各个节点,避免有些节点负载太高导致访问延迟,而有些 ...
- HAproxy + keepalived 实现双机热备
一.HAProxy简介: HAProxy提供高可用性.负载均衡以及基于TCP和HTTP应用的代理,支持虚拟主机,它是免费.快速并且可靠的一种解决方案.HAProxy特别适用于那些负载特大的web站点, ...
- haproxy+keepalived实现高可用负载均衡(转)
软件负载均衡一般通过两种方式来实现:基于操作系统的软负载实现和基于第三方应用的软负载实现.LVS就是基于Linux操作系统实现的一种软负载,HAProxy就是开源的并且基于第三应用实现的软负载. ...
- Nginx(haproxy)+keepalived+Tomcat双主高可用负载均衡
周末的时候一个正在学Linux的朋友问我,高可用怎么玩?我和他微信了将近三个小时,把Nginx和haproxy双主高可用教给他了,今天突然想把这个给写进博客里,供给那些正在学习Linux系统的朋友们, ...
随机推荐
- Git ~ 回到过去 , 进入未来 ~ Git
概述 我们已经成功的添加了一个 readme.txt文件 , 现在是时候 继续工作了 , 于是 我们开始尝试一下 Git给我们所带来的便利下面修改read.txt 改成如下内容 为了尝试 Git 给我 ...
- 数组Mex
题目描述 请设计一个高效算法,查找数组中未出现的最小正整数. 给定一个整数数组A和数组的大小n,请返回数组中未出现的最小正整数.保证数组大小小于等于500. 测试样例: [-1,2,3,4],4 返回 ...
- 【LeetCode OJ】Word Ladder II
Problem Link: http://oj.leetcode.com/problems/word-ladder-ii/ Basically, this problem is same to Wor ...
- codeforces #round363 div2.C-Vacations (DP)
题目链接:http://codeforces.com/contest/699/problem/C dp[i][j]表示第i天做事情j所得到最小的假期,j=0,1,2. #include<bits ...
- HDU4897 (树链剖分+线段树)
Problem Little Devil I (HDU4897) 题目大意 给定一棵树,每条边的颜色为黑或白,起始时均为白. 支持3种操作: 操作1:将a->b的路径中的所有边的颜色翻转. 操作 ...
- matlab 相同函数名解决
http://jingyan.baidu.com/article/1612d500a23a8ce20e1eee07.html
- rnn lstm
资料收集:https://github.com/kjw0612/awesome-rnn 代码+例子+物理意义:https://iamtrask.github.io/2015/11/15/anyone- ...
- Java 内部类和匿名类 实现JButton动作 ActionListener类
import javax.swing.*; import java.awt.*; import java.awt.event.*; public class ControlCircle2 extend ...
- ueditor上传图片到七牛云存储(form api,java)
转:http://my.oschina.net/duoduo3369/blog/174655 ueditor上传图片到七牛云存储 ueditor结合七牛传图片 七牛的试炼 开发前的准备与注意事项说明 ...
- UI学习笔记---第八天
UINavigationController的用法 界面间传值 UInavigationController继承于UIViewController,以栈的方式管理所控制的师徒控制器,至少要有一个被 ...