Node.js 使用amqplib向队列发送消息的奇怪低性能?
我正在尝试使用amqp.node测试Rabbitmq延迟 这是消费者:Node.js 使用amqplib向队列发送消息的奇怪低性能?,node.js,rabbitmq,node-amqp,Node.js,Rabbitmq,Node Amqp,我正在尝试使用amqp.node测试Rabbitmq延迟 这是消费者: import amqp from 'amqplib'; amqp.connect('amqp://localhost').then((connection) => { connection.createChannel().then((channel) => { const queue = 'test1'; channel.assertQueue(queue, { durable: false
import amqp from 'amqplib';
amqp.connect('amqp://localhost').then((connection) => {
connection.createChannel().then((channel) => {
const queue = 'test1';
channel.assertQueue(queue, { durable: false }).then(()=>{
var consumedMessages = 0;
channel.consume(queue, (msg) => {
const timestamp = new Date().getTime();
consumedMessages++;
if (msg != null) console.log(`consumed ${consumedMessages}: ${timestamp - Number(msg.content.toString())}`);
}, { noAck: true });
});
}).catch((error) => { throw error; });
}).catch((error) => { throw error; });
这是制作人:
import amqp from 'amqplib';
amqp.connect('amqp://localhost').then((connection) => {
connection.createChannel().then((channel) => {
const queue = 'test1';
const totalMessages = 3;
channel.assertQueue(queue, { durable: false }).then(()=>{
for(var n = 0; n < totalMessages; n++){
channel.sendToQueue(queue, Buffer.from(new Date().getTime().toString()));
}
setTimeout(()=>{
connection.close();
process.exit(0);
}, 1000);
});
}).catch((error) => { throw error; });
}).catch((error) => { throw error; });
每个生产者的第一条消息都有较低的延迟,但其他生产者没有
有什么可以改进的吗?试试amqp.connect'amqp://localhost“,{noDelay:true},可能需要rabbitmq服务器配置。详细信息位于。Tx@menya,如果我把它放在producer中,这个问题就解决了。
for ((i=1;i<=3;i+=1)); do node dist/consumer.js & done
for ((i=1;i<=3;i+=1)); do node dist/producer.js & done
consumed 1: 8
consumed 1: 6
consumed 1: 10
consumed 2: 42
consumed 2: 43
consumed 3: 42
consumed 2: 42
consumed 3: 42
consumed 3: 42