\u5b9e\u73b0Redis\u7f13\u5b58\u96c6\u7fa4\u6570\u636e\u540c\u6b65<\/p>\n<\/p>\n
Redis\u7f13\u5b58\u96c6\u7fa4\u662f\u63d0\u9ad8\u5e94\u7528\u6027\u80fd\u548c\u53ef\u7528\u6027\u7684\u6709\u529b\u5de5\u5177\u3002\u4f46\u662f\uff0c\u5728\u96c6\u7fa4\u4e2d\uff0c\u5982\u4f55\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u540c\u6b65\u662f\u4e00\u4e2a\u8f83\u96be\u7684\u95ee\u9898\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis Sentinel\u548cRedis Cluster\u5b9e\u73b0Redis\u7f13\u5b58\u96c6\u7fa4\u6570\u636e\u540c\u6b65\u3002<\/p>\n<\/p>\n
1. Redis Sentinel<\/p>\n<\/p>\n
Redis Sentinel\u662f\u4e00\u79cd\u7528\u4e8eRedis\u9ad8\u53ef\u7528\u6027\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5b83\u80fd\u76d1\u63a7Redis\u4e3b\u4ece\u7684\u72b6\u6001\uff0c\u5e76\u5728\u4e3b\u8282\u70b9\u5b95\u673a\u65f6\u81ea\u52a8\u5c06\u4ece\u8282\u70b9\u5347\u7ea7\u4e3a\u4e3b\u8282\u70b9\u3002\u53e6\u5916\uff0c\u5f53\u4ece\u8282\u70b9\u5b95\u673a\u6216\u8005\u65b0\u7684\u4ece\u8282\u70b9\u52a0\u5165\u96c6\u7fa4\u65f6\uff0cSentinel\u4e5f\u4f1a\u81ea\u52a8\u5b8c\u6210\u4ece\u8282\u70b9\u590d\u5236\u7684\u4efb\u52a1\u3002<\/p>\n<\/p>\n
\u4f7f\u7528Sentinel\u6765\u5b9e\u73b0Redis\u7f13\u5b58\u96c6\u7fa4\u6570\u636e\u540c\u6b65\u7684\u5173\u952e\u662f\u786e\u4fdd\u5728\u7f13\u5b58\u8282\u70b9\u5b95\u673a\u6216\u8005\u7f51\u7edc\u6545\u969c\u65f6\uff0c\u53ef\u4ee5\u81ea\u52a8\u5207\u6362\u5230\u5907\u7528\u8282\u70b9\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u589e\u52a0\u5bf9Sentinel\u7684\u652f\u6301\u3002<\/p>\n<\/p>\n
\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5047\u8bbe\u67093\u4e2aRedis\u5b9e\u4f8b\uff08\u4e3b\u8282\u70b9\u548c2\u4e2a\u4ece\u8282\u70b9\uff09\uff0c\u5176\u4e2d\u4e00\u4e2a\u4ece\u8282\u70b9\u5b95\u673a\uff0c\u6211\u4eec\u5c06\u6f14\u793a\u5982\u4f55\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528Sentinel\u81ea\u52a8\u5b8c\u6210\u4e3b\u8282\u70b9\u548c\u4ece\u8282\u70b9\u7684\u5207\u6362\u3002<\/p>\n<\/p>\n
\u6211\u4eec\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6dfb\u52a0Sentinel\u7684\u914d\u7f6e\uff1a<\/p>\n<\/p>\n
\u201c`redis.conf<\/p>\n
sentinel monitor mymaster 127.0.0.1 6379 2<\/p>\n
sentinel auth-pass mymaster mypassword<\/p>\n
\u5176\u4e2d\uff0cmymaster\u662fSentinel\u76d1\u63a7\u7684Redis\u5b9e\u4f8b\u540d\u79f0\uff0c127.0.0.1\u662f\u5b9e\u4f8b\u7684IP\u5730\u5740\uff0c6379\u662f\u5b9e\u4f8b\u7684\u7aef\u53e3\u53f7\uff0c2\u662f\u9700\u8981\u81f3\u5c112\u4e2aSentinel\u8282\u70b9\u540c\u610f\u624d\u80fd\u5b8c\u6210\u81ea\u52a8\u5207\u6362\u3002\u53e6\u5916\uff0c\u5982\u679cRedis\u8282\u70b9\u9700\u8981\u8eab\u4efd\u9a8c\u8bc1\uff0c\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0auth-pass\u9009\u9879\u3002
\u7136\u540e\uff0c\u6211\u4eec\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528Redis Sentinel\u6765\u8fde\u63a5Redis\u8282\u70b9\uff1a
```python
from redis.sentinel import Sentinel
sentinel = Sentinel([('127.0.0.1', 26379)], socket_timeout=0.1)
master = sentinel.master_for('mymaster', socket_timeout=0.1)
slave = sentinel.slave_for('mymaster', socket_timeout=0.1)
<\/pre>\n<\/p>\n\u5176\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528master_for\u548cslave_for\u65b9\u6cd5\u6765\u83b7\u53d6Redis\u5b9e\u4f8b\u7684\u4e3b\u8282\u70b9\u548c\u4ece\u8282\u70b9\u3002socket_timeout\u9009\u9879\u662f\u4e3a\u4e86\u8bbe\u7f6e\u7b49\u5f85\u8fde\u63a5\u8d85\u65f6\u7684\u65f6\u95f4\uff0c\u4ee5\u907f\u514d\u5e94\u7528\u7a0b\u5e8f\u7684\u963b\u585e\u3002<\/p>\n<\/p>\n
\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528master\u548cslave\u6765\u8bbf\u95eeRedis\u5b9e\u4f8b\u7684\u6570\u636e\uff1a<\/p>\n<\/p>\n
\u201c`python<\/p>\n
key = \u2018foo\u2019<\/p>\n
value = \u2018bar\u2019<\/p>\n<\/p>\n
master.set(key, value)<\/p>\n
assert master.get(key) == value<\/p>\n<\/p>\n
assert slave.get(key) == value<\/p>\n
\u8fd9\u6837\uff0c\u5f53\u4e00\u4e2a\u8282\u70b9\u5b95\u673a\u65f6\uff0cSentinel\u4f1a\u81ea\u52a8\u5c06\u4ece\u8282\u70b9\u5347\u7ea7\u4e3a\u4e3b\u8282\u70b9\uff0c\u4ece\u800c\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u7528\u6027\u548c\u4e00\u81f4\u6027\u3002
2. Redis Cluster
Redis Cluster\u662f\u5c06Redis\u6570\u636e\u5e93\u5206\u7247\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5b83\u53ef\u4ee5\u5206\u522b\u7ba1\u7406\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u6570\u636e\uff0c\u4ece\u800c\u63d0\u9ad8Redis\u7f13\u5b58\u96c6\u7fa4\u7684\u8fd0\u884c\u6548\u7387\u548c\u53ef\u9760\u6027\u3002
\u4f7f\u7528Redis Cluster\u6765\u5b9e\u73b0Redis\u7f13\u5b58\u96c6\u7fa4\u6570\u636e\u540c\u6b65\u7684\u5173\u952e\u662f\u4e86\u89e3\u5982\u4f55\u5c06\u6570\u636e\u5206\u914d\u5230\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u5e76\u786e\u4fdd\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u6570\u636e\u540c\u6b65\u3002
\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5047\u8bbe\u67093\u4e2aRedis\u8282\u70b9\uff0c\u6bcf\u4e2a\u8282\u70b9\u5b58\u50a8\u4e0d\u540c\u7684\u952e\u503c\u5bf9\u3002\u4e3a\u4e86\u5c06\u6570\u636e\u5206\u914d\u5230\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528Redis Cluster\u6765\u8fde\u63a5Redis\u8282\u70b9\uff1a
```python
from rediscluster import RedisCluster
startup_nodes = [{'host': '127.0.0.1', 'port': '7000'},
{'host': '127.0.0.1', 'port': '7001'},
{'host': '127.0.0.1', 'port': '7002'}]
rc = RedisCluster(startup_nodes=startup_nodes, decode_responses=True)
<\/pre>\n<\/p>\n\u5176\u4e2d\uff0cstartup_nodes\u662fRedis\u8282\u70b9\u7684\u5730\u5740\u5217\u8868\uff0cdecode_responses=True\u53ef\u4ee5\u786e\u4fdd\u4eceRedis\u4e2d\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u83b7\u53d6\u5230\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis Cluster\u6765\u8bbf\u95eeRedis\u7f13\u5b58\u6570\u636e\uff1a<\/p>\n<\/p>\n
\u201c`python<\/p>\n
key = \u2018foo\u2019<\/p>\n
value = \u2018bar\u2019<\/p>\n<\/p>\n
rc.set(key, value)<\/p>\n
assert rc.get(key) == value<\/p>\n
\u8fd9\u6837\uff0c\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u6570\u636e\u5c31\u53ef\u4ee5\u901a\u8fc7Redis Cluster\u8fdb\u884c\u540c\u6b65\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e86Redis\u7f13\u5b58\u96c6\u7fa4\u7684\u6570\u636e\u4e00\u81f4\u6027\u548c\u53ef\u7528\u6027\u3002
\u603b\u7ed3
\u4f7f\u7528Redis Sentinel\u548cRedis Cluster\u53ef\u4ee5\u5b9e\u73b0Redis\u7f13\u5b58\u96c6\u7fa4\u6570\u636e\u540c\u6b65\u3002\u5728\u4f7f\u7528Redis Sentinel\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u589e\u52a0\u5bf9Sentinel\u7684\u652f\u6301\uff0c\u4ece\u800c\u5b9e\u73b0\u4e3b\u8282\u70b9\u548c\u4ece\u8282\u70b9\u7684\u81ea\u52a8\u5207\u6362\u3002\u5728\u4f7f\u7528Redis Cluster\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5c06\u6570\u636e\u5206\u914d\u5230\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u5e76\u4f7f\u7528Redis Cluster\u6765\u540c\u6b65\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u6570\u636e\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8Redis\u7f13\u5b58\u96c6\u7fa4\u7684\u8fd0\u884c\u6548\u7387\u548c\u53ef\u9760\u6027\uff0c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u9ad8\u5e76\u53d1\u548c\u4f4e\u5ef6\u8fdf\u63d0\u4f9b\u6709\u529b\u7684\u652f\u6301\u3002
<\/pre>\n