Redis自动化安装以及集群实现(2)

# Enabled active defragmentation
# activedefrag yes
# Minimum amount of fragmentation waste to start active defrag
# active-defrag-ignore-bytes 100mb
# Minimum percentage of fragmentation to start active defrag
# active-defrag-threshold-lower 10
# Maximum percentage of fragmentation at which we use maximum effort
# active-defrag-threshold-upper 100
# Minimal effort for defrag in CPU percentage
# active-defrag-cycle-min 5
# Maximal effort for defrag in CPU percentage
# active-defrag-cycle-max 75
# Maximum number of set/hash/zset/list fields that will be processed from
# the main dictionary scan
# active-defrag-max-scan-fields 1000

安装示例
sh redis_install.sh /usr/local/redis/   /usr/local/redis5/redis9008/  redis-5.0.4  9008

Redi实例的目录结构

基于Python的Redis自动化集群实现

基于Python的自动化集群实现，初始化节点为node_1~node_6，节点实例需要为集群模式，三主三从，自动化集群，分配slots，加入从节点，3秒钟左右完成

import redis

#master
node_1 = {'host': '127.0.0.1', 'port': 9001, 'password': '***'}
node_2 = {'host': '127.0.0.1', 'port': 9002, 'password': '***'}
node_3 = {'host': '127.0.0.1', 'port': 9003, 'password': '***'}
#slave
node_4 = {'host': '127.0.0.1', 'port': 9004, 'password': '***'}
node_5 = {'host': '127.0.0.1', 'port': 9005, 'password': '***'}
node_6 = {'host': '127.0.0.1', 'port': 9006, 'password': '***'}

redis_conn_1 = redis.StrictRedis(host=node_1["host"], port=node_1["port"], password=node_1["password"])
redis_conn_2 = redis.StrictRedis(host=node_2["host"], port=node_2["port"], password=node_2["password"])
redis_conn_3 = redis.StrictRedis(host=node_3["host"], port=node_3["port"], password=node_3["password"])

# cluster meet
redis_conn_1.execute_command("cluster meet {0} {1}".format(node_2["host"],node_2["port"]))
redis_conn_1.execute_command("cluster meet {0} {1}".format(node_3["host"],node_3["port"]))
print('#################flush slots #################')
redis_conn_1.execute_command('cluster flushslots')
redis_conn_2.execute_command('cluster flushslots')
redis_conn_3.execute_command('cluster flushslots')
print('#################add slots#################')
for i in range(0,16383+1):
    if i <= 5461:
        try:
            redis_conn_1.execute_command('cluster addslots {0}'.format(i))
        except:
            print('cluster addslots {0}'.format(i) +' error')
    elif 5461 < i and i <= 10922:
        try:
            redis_conn_2.execute_command('cluster addslots {0}'.format(i))
        except:
            print('cluster addslots {0}'.format(i) + ' error')
    elif 10922 < i:
        try:
            redis_conn_3.execute_command('cluster addslots {0}'.format(i))
        except:
            print('cluster addslots {0}'.format(i) + ' error')
print()
print('#################cluster status#################')
print()
print('##################'+str(node_1["host"])+':'+str(node_1["port"])+'##################')
print(str(redis_conn_1.execute_command('cluster info'), encoding = "utf-8").split("\n")[0])
print('##################'+str(node_2["host"])+':'+str(node_2["port"])+'##################')
print(str(redis_conn_1.execute_command('cluster info'), encoding = "utf-8").split("\n")[0])
print('##################'+str(node_3["host"])+':'+str(node_3["port"])+'##################')
print(str(redis_conn_1.execute_command('cluster info'), encoding = "utf-8").split("\n")[0])

#slave cluster meet
redis_conn_1.execute_command("cluster meet {0} {1}".format(node_4["host"],node_4["port"]))
redis_conn_2.execute_command("cluster meet {0} {1}".format(node_5["host"],node_5["port"]))
redis_conn_3.execute_command("cluster meet {0} {1}".format(node_6["host"],node_6["port"]))

#cluster nodes
print(str(redis_conn_1.execute_command('cluster nodes'), encoding = "utf-8"))

示例

这样一个Redis的集群，从实例的安装到集群的安装，环境依赖本身没有问题的话，基本上1分钟之内可以完成这个搭建过程。

Linux公社的RSS地址：https://www.linuxidc.com/rssFeed.aspx