Puppeteer memory limit, setMaxListeners () to increase limit #7221 Aug 4, 2020 · 本文分享Puppeteer性能优化技巧，包括单进程模式、禁用GPU加速、复用浏览器实例、控制标签页数量、拦截静态资源等方案，有效降低CPU和内存消耗。通过优化Chromium启动参数和执行流程，实现200ms提速和20M内存节省，适用于爬虫和高并发场景。. memory usage that can be set varies between platforms, but about the syntax I am sure you should use dashes instead of underscores in --max-old-space-size if you try to set it via --js-flags: Learn proven techniques to optimize Puppeteer performance including headless mode, resource blocking, connection pooling, and memory management. May 9, 2021 · MaxListenersExceededWarning: Possible EventEmitter memory leak detected. How to handle performance issues, such as slow script execution or high memory usage in Puppeteer? A few steps you can use to handle performance issues in Puppeteer are as follows: Use the page. Aug 29, 2017 · (node:7) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. May 5, 2025 · A single Puppeteer browser instance consumes between 200 and 300MB of memory. setCacheEnabled (false) method to disable the cache as it can help reduce memory usage but may also make your script run slower. Jan 6, 2025 · When working with browser automation, memory leaks and excessive resource consumption can significantly impact performance and reliability. When implementing Puppeteer-Sharp in production environments, several critical performance considerations can significantly impact system efficiency and stability. 11 finish listeners added. Jul 2, 2025 · Optimize Puppeteer performance by reducing browser launch time, memory usage, and network latency for faster, more efficient web automation. setMaxListeners() to increase limit May 18, 2020 · I still have a memory leak running puppeteer in the child process, now I use pm2 to periodically restart the main process. Aug 26, 2019 · Is there any way to tell puppeteer that they should only use a certain amount of memory at most? For example, for site A, I want the chrome instance to use a maximum of 300MB of memory and for site B to use 800MB. In this guide, we show you how to optimize Puppeteer for web scraping, incorporating efficient configurations, best practices, and strategic implementation. I only found this problem in docker, and the native macOS doesn't seem to have memory leaks Nov 22, 2024 · In conclusion, fine-tuning your Puppeteer scripts for maximum efficiency is essential for delivering high-quality software products to your clients. Let's explore effective strategies to manage memory usage in Puppeteer and ensure your automation scripts run efficiently. Sep 22, 2020 · I am not sure if it gonna work as the max. By utilizing monitoring and debugging tools, optimizing your code for performance, and leveraging headless mode, you can significantly improve the performance of your Puppeteer scripts. And that means running several browser instances, eventually overusing your system's RAM and reducing scraping performance. 11 exit listeners added. Use emitter. But the fact is, you can't do without sending multiple requests during web scraping. Memory Management Browser instances are memory-intensive, with each Chromium process consuming 50-200MB or more depending on page complexity.
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