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原创 keepalived
keepalived启动日志: 这是都是BACKUP和priority都相同时的日志,每次选出的master也不固定;用成功的配置时,直接就收敛了 11:46:16 c80 Keepalived[22244]: Starting Keepalived v1.3.5 (03/19,2017), git commit v1.3.5-6-g6fa32f2 11:46:16 c80 Keepalived[22244]: Opening file '/etc/keepalived/keepalived.conf'.
2021-04-10 14:33:07
137
原创 ch04 proxy_cache
4.1 proxy_cache_path proxy_cache_path /mnt/hgfs/yumdownloader/tmp levels=1:2 keys_zone=my_cache:100m max_size=500m inactive=3h; server { location / { proxy_cache my_cache; add_header X-Cache $upstream_cache_status; proxy_cache_valid 200 10s; //没有这行时
2020-05-20 16:11:21
175
原创 ch02 负载均衡
这里写自定义目录标题2.1 http lb2.2 tcp lb2.3 udp lb2.4 Load-Balancing Methods2.9 Passive Health Checks2.10 Active Health Checks (Plus)2.11 Slow Start(Plus) 2.1 http lb 使用的是http module,在nginx.conf中http block内使用upstream block: upstream backend { server IP:port weigth
2020-05-13 19:24:12
180
原创 ch03 流量管理
3.1 A/B testing upstream httplb66 { #ip_hash; server 192.168.11.66:80; } upstream httplb69 { server 192.168.11.69:80; } split_clients "${request_method}AAA" $nodes { 20% httplb66; * httplb69; } server { listen 80; server_name
2020-05-12 18:03:34
1103
原创 ch01
1.2 在RHEL/CentOS上安装 编辑生成/etc/yum.repos.d/nginx.repo文件 [nginx] name=nginx repo baseurl=http://nginx.org/packages/mainline/OS/OSRELEASE/$basearch/ gpgcheck=0 enabled=1 将OS和OSRELEASE进行替换; 2.启动服务,防火墙放开端口 yum install nginx -y systemctl enable nginx.servi
2020-05-10 17:33:32
192
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