如何解决Python Redis多处理-redis.exceptions.ConnectionError-
我编写了一个程序,该程序可以进行多处理并执行“扫描,获取和设置为Redis”。我们选择Redis的原因是为了加快速度。
有人有任何建议吗?我尝试在get语句周围放置一个重试循环(也可以对set语句执行此操作),但是Scan语句会比较棘手。并有一些我更改或增加的参数可以避免这种情况吗?
错误:
redis.exceptions.ConnectionError: Error 10048 connecting to 192.168.5.51:6379. Only one usage of each socket address (protocol/network address/port) is normally permitted.
File "C:\Apps\ProcessData\redis\connection.py",line 1192,in get_connection
connection.connect()
File "C:\Apps\ProcessData\redis\connection.py",line 563,in connect
raise ConnectionError(self._error_message(e))
File "C:\Apps\ProcessData\redis\connection.py",in connect
raise ConnectionError(self._error_message(e))
Error 10048 connecting to 192.168.5.51:6379. Only one usage of each socket address (protocol/network address/port) is normally permitted.
redis_max_retries = 72
redis_retries = 0
redis_get_success = False
sleep_time_in_seconds = .1
while not redis_get_success and redis_retries < redis_max_retries:
try:
json_str = redis_obj.get(redis_key)
redis_get_success = True
except redis.exceptions.ConnectionError as e:
redis_retries += 1
time.sleep(sleep_time_in_seconds)
if not redis_get_success:
print("redis_retries=",redis_retries," on json_str = redis_obj.get(redis_key) in process_intervals" )
sys.exit(0)
但是我在扫描中也得到了错误,重试起来似乎比较棘手。
for keybatch in batcher(redis_obj.scan_iter(key_pattern),1500):
batch_counter += 1
# print(batch_counter,"keybatch=",keybatch)
for key in keybatch:
if key is not None:
#print("Trying key=",key)
matching_keys_found += 1
etc...
解决方法
尝试连接到RedisLabs.com之类的在线Redis托管站点并使用documentation进行连接,或者您可以尝试更改端口。 错误可能是由于端口或Redis服务器设置错误配置引起的。 另外,对于相同的端口和地址,请参见Only one usage of each socket address (protocol/network address/port) is normally permitted?
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