注:以String类型为例
一.导出redis某个库的数据
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import redis import json file_path = "why.json" redis_conn = redis.Redis(host = "192.168.1.123" , port = 6387 , password = "123zxcv" , db = 2 , decode_responses = True ) data_keys = redis_conn.keys() all_data = {} for i in data_keys: all_data[i] = json.loads(redis_conn.get(i)) file_object = open (file_path, 'w' , encoding = "utf8" ) json.dump(all_data, file_object, ensure_ascii = False ) file_object.close() |
使用python向Redis批量导入数据
使用pipeline进行批量导入数据。包含先使用rpush插入数据,然后使用expire改动过期时间
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class Redis_Handler(Handler): def connect( self ): #print self.host,self.port,self.table self .conn = Connection( self .host, self .port, self .table) def execute( self , action_name): filename = "/tmp/temp.txt" batch_size = 10000 with open (filename) as file : try : count = 0 pipeline_redis = self .conn.client.pipeline() for lines in file : (key,value) = lines.split( ',' ) count = count + 1 if len (key)> 0 : pipeline_redis.rpush(key,value.strip()) if not count % batch_size: pipeline_redis.execute() count = 0 #send the last batch pipeline_redis.execute() except Exception: print 'redis add error' |
二.导入redis某个库的数据
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import redis import json file_path = "why.json" redis_conn = redis.Redis(host = "192.168.1.123" , port = 6387 , password = "123zxcv" , db = 1 , decode_responses = True ) file_object = open (file_path, 'r' , encoding = "utf8" ) all_data = json.load(file_object) for key in all_data: redis_conn. set (key, json.dumps(all_data[key], ensure_ascii = False )) file_object.close() |
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原文链接:https://blog.csdn.net/xyy1028/article/details/122706544