Deep Dive into Worker Threads in Node.js - Medium Before inserting the plates into the case, make sure to mount the 4 included fans onto the inside of the case. The Node.js integration enables you to monitor a custom metric by instrumenting a few lines of code. This number must be the same one that you specified when you launched the cluster. This introspection is called CPU sampling and luckily Google V8, the engine that compiles and executes JavaScript in Node.js, provides a CPU sampling interface that can be accessed . Aside from that, we implemented different approaches to sending data between threads. Actors: a model of concurrent computation in distributed systems. How Do I Restart a Nodejs Cluster? - Papersdude.com Due to their advantages, many Node.js core modules provide native stream handling capabilities, most notably: process.stdin returns a stream connected to stdin; process.stdout returns a stream connected to stdout; process.stderr returns a stream connected to stderr; fs.createReadStream() creates a readable stream to a file fs.createWriteStream() creates a writable . API简单，和操作普通js对象一样的使用方式. NodeJS processes runs on a single process, which means it does not take advantage from multi-core systems by default. 超高性能，接近普通js对象操作的速度，每秒300w次 . This allows for handling requests in parallel by using all processor cores available on a host. As you can see, the clustered app has around a 3.2x improvement over the single-process app for just about all of the metrics listed, except for average response time, which has a much more significant improvement. CSV Cache | CSV In-Memory Read Cache - vBitsBytes Introduction. Improving Node.js Application Performance With Clustering 无需跨进程通讯，使用共享内存的方式，因而可以同步使用. Note the IP address and port number of the Redis instance you create.