\u5982\u4f55\u5b9e\u73b0Redis\u6307\u5b9a\u6570\u636e\u7684\u8fc1\u79fb<\/p>\n<\/p>\n
Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u6b3e\u652f\u6301\u9ad8\u6027\u80fd\u3001key-value \u5206\u5e03\u5f0f\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5e38\u88ab\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u3001\u961f\u5217\u7b49\u573a\u666f\u3002\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u96be\u514d\u4f1a\u9047\u5230 Redis \u6570\u636e\u5e93\u8fc1\u79fb\u7684\u95ee\u9898\uff0c\u7279\u522b\u662f\u5728\u5347\u7ea7\u67b6\u6784\u3001\u6269\u5bb9\u7b49\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u5c06\u90e8\u5206\u6570\u636e\u6216\u5168\u90e8\u6570\u636e\u8fc1\u79fb\u5230\u65b0\u7684 Redis \u6570\u636e\u5e93\u4e2d\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0 Redis \u6570\u636e\u7684\u6307\u5b9a\u8fc1\u79fb\u3002<\/p>\n<\/p>\n
\u4e3a\u4e86\u7b80\u5316\u6570\u636e\u8fc1\u79fb\u64cd\u4f5c\uff0c\u6211\u4eec\u4f7f\u7528 Redis \u81ea\u5e26\u7684 MIGRATE \u547d\u4ee4\u6765\u8fdb\u884c\u6570\u636e\u8fc1\u79fb\u3002\u547d\u4ee4\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
MIGRATE host port key destination-db timeout [COPY] [REPLACE]
<\/pre>\n\u5176\u4e2d\uff0chost \u548c port \u8868\u793a\u76ee\u6807 Redis \u670d\u52a1\u5668\u7684\u5730\u5740\u548c\u7aef\u53e3\uff1bkey \u8868\u793a\u8981\u8fc1\u79fb\u7684 Redis \u6570\u636e\u5e93\u4e2d\u7684\u952e\uff1bdestination-db \u8868\u793a\u76ee\u6807 Redis \u6570\u636e\u5e93\u7684\u7f16\u53f7\uff1btimeout \u8868\u793a\u8d85\u65f6\u65f6\u95f4\uff0c\u5355\u4f4d\u4e3a\u6beb\u79d2\uff1bCOPY \u8868\u793a\u662f\u5426\u5728\u8fc1\u79fb\u5b8c\u6210\u540e\u4fdd\u7559\u539f\u59cb\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff1bREPLACE \u8868\u793a\u5728\u76ee\u6807 Redis \u6570\u636e\u5e93\u4e2d\u5982\u679c\u5b58\u5728\u76f8\u540c\u7684\u952e\uff0c\u662f\u5426\u5c06\u5176\u8986\u76d6\u3002<\/p>\n<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528 MIGRATE \u547d\u4ee4\u8fc1\u79fb Redis \u6570\u636e\u7684\u4f8b\u5b50\u3002<\/p>\n<\/p>\n
\u201c`python<\/p>\n
import redis<\/p>\n<\/p>\n
# \u521b\u5efa\u76ee\u6807 Redis \u5ba2\u6237\u7aef<\/p>\n
dst_redis = redis.Redis(host=\u2019127.0.0.1\u2032, port=6379, db=1)<\/p>\n<\/p>\n
# \u8fc1\u79fb Redis \u6570\u636e<\/p>\n
src_redis = redis.Redis(host=\u2019127.0.0.1\u2032, port=6379, db=0)<\/p>\n
key = \u2018test\u2019<\/p>\n
dst_db = 1<\/p>\n
timeout = 5000<\/p>\n
is_copy = False<\/p>\n
is_replace = True<\/p>\n
dst_redis.migrate(host=\u2019127.0.0.1\u2032, port=6379, keys=[key], destination_db=dst_db,<\/p>\n
timeout=timeout, copy=is_copy, replace=is_replace)<\/p>\n
\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7 Python Redis \u5e93\u521b\u5efa\u4e86\u4e24\u4e2a Redis \u5ba2\u6237\u7aef\uff0c\u4e00\u4e2a\u7528\u4e8e\u6e90 Redis \u6570\u636e\u5e93\uff0c\u4e00\u4e2a\u7528\u4e8e\u76ee\u6807 Redis \u6570\u636e\u5e93\u3002\u6211\u4eec\u5c06 test \u952e\u4ece\u6e90 Redis \u6570\u636e\u5e93\u7684 0 \u53f7\u6570\u636e\u5e93\u8fc1\u79fb\u5230\u76ee\u6807 Redis \u6570\u636e\u5e93\u7684 1 \u53f7\u6570\u636e\u5e93\u3002
\u4f46\u662f\u8fd9\u79cd\u65b9\u5f0f\u53ea\u80fd\u8fc1\u79fb\u6307\u5b9a\u7684\u5355\u4e2a\u952e\uff0c\u5bf9\u4e8e\u9700\u8981\u6279\u91cf\u8fc1\u79fb\u7684\u60c5\u51b5\uff0c\u6211\u4eec\u9700\u8981\u901a\u8fc7\u904d\u5386\u6240\u6709\u7684\u952e\u6765\u5b9e\u73b0\u3002
```python
import redis
# \u521b\u5efa\u76ee\u6807 Redis \u5ba2\u6237\u7aef
dst_redis = redis.Redis(host='127.0.0.1', port=6379, db=1)
# \u8fc1\u79fb Redis \u6570\u636e
src_redis = redis.Redis(host='127.0.0.1', port=6379, db=0)
keys = src_redis.keys('*')
dst_db = 1
timeout = 5000
is_copy = False
is_replace = True
for key in keys:
dst_redis.migrate(host='127.0.0.1', port=6379, keys=[key], destination_db=dst_db,
timeout=timeout, copy=is_copy, replace=is_replace)
<\/pre>\n<\/p>\n\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 Redis \u7684 keys \u547d\u4ee4\u83b7\u53d6\u4e86\u6e90 Redis \u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u952e\uff0c\u5e76\u904d\u5386\u6bcf\u4e2a\u952e\u8fdb\u884c\u6570\u636e\u8fc1\u79fb\u3002<\/p>\n<\/p>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u8fc1\u79fb Redis \u6570\u636e\u65f6\uff0c\u5982\u679c\u6e90 Redis \u6570\u636e\u5e93\u4e2d\u5b58\u5728\u8fc7\u671f\u952e\uff0c\u90a3\u4e48\u8fd9\u4e9b\u952e\u4e5f\u4f1a\u88ab\u8fc1\u79fb\u3002\u56e0\u6b64\uff0c\u5728\u6570\u636e\u8fc1\u79fb\u524d\uff0c\u9700\u8981\u901a\u8fc7 Redis \u7684 EXPIRE \u6216 PERSIST \u547d\u4ee4\u6765\u6e05\u9664\u8fc7\u671f\u952e\u3002<\/p>\n<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5b9e\u73b0 Redis \u6307\u5b9a\u6570\u636e\u8fc1\u79fb\u7684\u65b9\u6cd5\u3002\u901a\u8fc7 MIGRATE \u547d\u4ee4\uff0c\u6211\u4eec\u53ef\u4ee5\u5feb\u901f\u8fc1\u79fb Redis \u6570\u636e\uff0c\u4e3a\u7cfb\u7edf\u91cd\u6784\u3001\u6269\u5bb9\u7b49\u63d0\u4f9b\u4e86\u65b9\u4fbf\u548c\u9ad8\u6548\u7684\u652f\u6301\u3002<\/p>\n