from multiprocessing import Queue q = Queue(3)#初始化一个Queue对象,最多可接收三条put消息 q.put('message-1') q.put('message ,q.get_nowait()不阻塞,但会抛异常 False True except1,消息队列已满,现有消息数量:3 except2,消息队列已满,现有消息数量:3 message-1 message
producer.sendMessage(destination,"message-" + i); } } } 查看控制台输出: 接收到了消息: message-1 接收到了消息: message
Message: messageId: 0A0E096CA41418B4AAC259EE89D70000,topic: DefaultCluster,tags: Tags,messageBody: Message
在 Spark RDD 中使用 cryptography(模拟在 executor 上加解密) data = [ "message-1", "message-2 gAAAAABpRXjym5zktgtgRAoJ-uGuGYJ1vwNaDMrCrZah_BXu-63UvP0WwKfO6rDi4ItRmtuuYBuyWmEIB4rLtRh_Tstyz-CKtw==', 'message-1') ('message gAAAAABpRXjy2z57n65rdWaF9FqC5bFzYK9K977N7f4IKT3qsfNVKa-G7h6IrwCaNLlYn2idjmL-3QjyL6Nznsgu7-5-Q58Sag==', 'message gAAAAABpRXjym5zktgtgRAoJ-uGuGYJ1vwNaDMrCrZah_BXu-63UvP0WwKfO6rDi4ItRmtuuYBuyWmEIB4rLtRh_Tstyz-CKtw==', 'message-1') ('message gAAAAABpRXjy2z57n65rdWaF9FqC5bFzYK9K977N7f4IKT3qsfNVKa-G7h6IrwCaNLlYn2idjmL-3QjyL6Nznsgu7-5-Q58Sag==', 'message