redis+keepalived负载均衡

aaahd

　　make  && make install
　　mkdir /etc/redis
　　cp redis.conf /etc/redis/6379.conf
　　cp redis_init_script /etc/init.d/redis
　　vim /etc/redis/6379.conf
　　vim /etc/sysctl.conf
　　添加
　　vm.overcommit_memory=1
　　net.ipv4.tcp_timestamps = 1
　　net.ipv4.tcp_tw_recycle = 1
　　net.ipv4.ip_local_port_range = 10240 65000
　　daemonize yes
　　pidfile /var/run/redis_6379.pid
　　port 6379
　　tcp-backlog 511
　　timeout 300
　　tcp-keepalive 0
　　loglevel notice
　　logfile "/var/redisdb/redis.log"
　　databases 16
　　save 900 1
　　save 300 10
　　save 60 10000
　　stop-writes-on-bgsave-error yes
　　rdbcompression yes
　　rdbchecksum yes
　　dbfilename dump.rdb
　　dir /var/redisdb
　　slave-serve-stale-data yes
　　slave-read-only no
　　repl-disable-tcp-nodelay no
　　slave-priority 100
　　appendonly no
　　appendfilename "appendonly.aof"
　　appendfsync everysec
　　no-appendfsync-on-rewrite no
　　auto-aof-rewrite-percentage 100
　　auto-aof-rewrite-min-size 64mb
　　aof-load-truncated yes
　　lua-time-limit 5000
　　slowlog-log-slower-than 10000
　　slowlog-max-len 128
　　latency-monitor-threshold 0
　　notify-keyspace-events ""
　　hash-max-ziplist-entries 512
　　hash-max-ziplist-value 64
　　list-max-ziplist-entries 512
　　list-max-ziplist-value 64
　　set-max-intset-entries 512
　　zset-max-ziplist-entries 128
　　zset-max-ziplist-value 64
　　hll-sparse-max-bytes 3000
　　activerehashing yes
　　client-output-buffer-limit normal 0 0 0
　　client-output-buffer-limit slave 256mb 64mb 60
　　client-output-buffer-limit pubsub 32mb 8mb 60
　　hz 10
　　aof-rewrite-incremental-fsync yes
　　##################2014-09-26 add parameters ####################
　　requirepass gsm_redis2014
　　maxmemory 13743895347#
　　#slaveof 10.128.45.3 6379#          从机选项
　　#masterauth gsm_redis2014
　　keepalived
　　./configure && make&& make install
　　cp etc/rc.d/init.d/keepalived /etc/init.d/
　　cp etc/sysconfig/keepalived /etc/sysconfig/
　　mkdir /etc/keepalived
　　cp etc/keepalived/keepalived.conf /etc/keepalived/
　　cp sbin/keepalived /usr/sbin/
　　/etc/init.d/keepalived start
　　chkconfig --add keepalived
　　chkconfig  keepalived on
　　cat /etc/keepalived/keepalived.conf
　　! Configuration File for keepalived
　　global_defs {
　　router_id LVS_REDIS
　　}
　　vrrp_script chk_redis {
　　script "/usr/local/keepalived/scripts/redis_check.sh"
　　interval 2
　　}
　　vrrp_instance VI_1 {
　　state MASTER
　　interface eth0
　　virtual_router_id 51
　　priority 150
　　authentication {
　　auth_type PASS
　　auth_pass redis
　　}
　　track_script {
　　chk_redis
　　}
　　virtual_ipaddress {
　　10.128.45.12
　　}
　　notify_master /usr/local/keepalived/scripts/redis_master.sh
　　notify_backup /usr/local/keepalived/scripts/redis_backup.sh
　　notify_fault  /usr/local/keepalived/scripts/redis_fault.sh
　　notify_stop   /usr/local/keepalived/scripts/redis_stop.sh
　　}