问题描述
我正在尝试通过在我的 mac 机器上本地运行光线学院crash course来学习 Ray。我正在使用以下方法设置虚拟环境：
conda env create -f environment.yml
conda activate anyscale-academy
tools/fix-jupyter.sh
但是当我尝试初始化光线会话时：
import ray
ray.init()
并得到错误：
---------------------------------------------------------------------------
ConnectionResetError Traceback (most recent call last)
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/connection.py in read_from_socket(self,timeout,raise_on_timeout)
426 if HIREdis_USE_BYTE_BUFFER:
--> 427 bufflen = recv_into(self._sock,self._buffer)
428 if bufflen == 0:
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/_compat.py in recv_into(sock,*args,**kwargs)
74 def recv_into(sock,**kwargs):
---> 75 return sock.recv_into(*args,**kwargs)
76
ConnectionResetError: [Errno 54] Connection reset by peer
During handling of the above exception,another exception occurred:
ConnectionError Traceback (most recent call last)
<ipython-input-1-1dcc6cb73a4f> in <module>
1 import ray
----> 2 ray.init()
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/ray/worker.py in init(address,num_cpus,num_gpus,resources,object_store_memory,local_mode,ignore_reinit_error,include_dashboard,dashboard_host,dashboard_port,job_config,configure_logging,logging_level,logging_format,log_to_driver,_enable_object_reconstruction,_redis_max_memory,_plasma_directory,_node_ip_address,_driver_object_store_memory,_memory,_redis_password,_java_worker_options,_code_search_path,_temp_dir,_load_code_from_local,_lru_evict,_metrics_export_port,_system_config)
720 shutdown_at_exit=False,721 spawn_reaper=True,--> 722 ray_params=ray_params)
723 else:
724 # In this case,we are connecting to an existing cluster.
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/ray/node.py in __init__(self,ray_params,head,shutdown_at_exit,spawn_reaper,connect_only)
214 # Start processes.
215 if head:
--> 216 self.start_head_processes()
217 redis_client = self.create_redis_client()
218 redis_client.set("session_name",self.session_name)
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/ray/node.py in start_head_processes(self)
765 assert self._redis_address is None
766 # If this is the head node,start the relevant head node processes.
--> 767 self.start_redis()
768
769 self.start_gcs_server()
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/ray/node.py in start_redis(self)
595 redirect_worker_output=True,596 password=self._ray_params.redis_password,--> 597 fate_share=self.kernel_fate_share)
598 assert (
599 ray_constants.PROCESS_TYPE_REdis_SERVER not in self.all_processes)
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/ray/_private/services.py in start_redis(node_ip_address,redirect_files,resource_spec,port,redis_shard_ports,num_redis_shards,redis_max_clients,redirect_worker_output,password,fate_share)
849 primary_redis_client = redis.StrictRedis(
850 host=node_ip_address,port=port,password=password)
--> 851 primary_redis_client.set("NumRedisShards",str(num_redis_shards))
852
853 # Put the redirect_worker_output bool in the Redis shard so that workers
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/client.py in set(self,name,value,ex,px,nx,xx,keepttl)
1799 pieces.append('KEEPTTL')
1800
-> 1801 return self.execute_command('SET',*pieces)
1802
1803 def __setitem__(self,value):
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/client.py in execute_command(self,**options)
896 pool = self.connection_pool
897 command_name = args[0]
--> 898 conn = self.connection or pool.get_connection(command_name,**options)
899 try:
900 conn.send_command(*args)
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/connection.py in get_connection(self,command_name,*keys,**options)
1190 try:
1191 # ensure this connection is connected to Redis
-> 1192 connection.connect()
1193 # connections that the pool provides should be ready to send
1194 # a command. if not,the connection was either returned to the
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/connection.py in connect(self)
565 self._sock = sock
566 try:
--> 567 self.on_connect()
568 except RedisError:
569 # clean up after any error in on_connect
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/connection.py in on_connect(self)
641
642 try:
--> 643 auth_response = self.read_response()
644 except AuthenticationWrongNumberOfArgsError:
645 # a username and password were specified but the Redis
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/connection.py in read_response(self)
737 "Read the response from a prevIoUsly sent command"
738 try:
--> 739 response = self._parser.read_response()
740 except socket.timeout:
741 self.disconnect()
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/connection.py in read_response(self)
468 response = self._reader.gets()
469 while response is False:
--> 470 self.read_from_socket()
471 response = self._reader.gets()
472 # if an older version of hiredis is installed,we need to attempt
~/anaconda3/envs/anyscale-academy/lib/python3.7/site-packages/redis/connection.py in read_from_socket(self,raise_on_timeout)
451 return False
452 raise ConnectionError("Error while reading from socket: %s" %
--> 453 (ex.args,))
454 finally:
455 if custom_timeout:
ConnectionError: Error while reading from socket: (54,'Connection reset by peer')
我已经在初始化之前在端口 6379 上启动了 redis 服务器，并通过
验证了 redis 连接import redis
r = redis.Redis()
r.ping()
``` and get back True. Now the only way for me to try out Ray is by running it in Google Colab. I am not sure what had gone wrong,so any suggestion or help is greatly appreciated!
解决方法
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