# Promise queues and batching concurrent tasks in Deno

DevFeed: [Promise queues and batching concurrent tasks in Deno](<https://devfeed.tech/articles/promise-queues-and-batching-concurrent-tasks-in-deno-8056.md>)

Original publisher: [Read original article](<https://snyk.io/blog/promise-queues-concurrent-tasks-deno/>)

Author: Liran Tal

Published: 2024-09-25T04:00:00Z

Content type: tutorial

Language: en

Sources: [Blog RSS Feed | Snyk](<https://devfeed.tech/sources/blog-rss-feed-snyk.md>)

Topics: [Deno](<https://devfeed.tech/topics/deno.md>), [Promise](<https://devfeed.tech/topics/promise.md>), [Concurrency](<https://devfeed.tech/topics/concurrency.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Programming](<https://devfeed.tech/topics/programming.md>), [Security](<https://devfeed.tech/topics/security.md>)

Tags: [ai](<https://devfeed.tech/tags/ai.md>), [application-security](<https://devfeed.tech/tags/application-security.md>), [batching](<https://devfeed.tech/tags/batching.md>), [blog](<https://devfeed.tech/tags/blog.md>), [code-security](<https://devfeed.tech/tags/code-security.md>), [concurrent](<https://devfeed.tech/tags/concurrent.md>), [developer](<https://devfeed.tech/tags/developer.md>), [java](<https://devfeed.tech/tags/java.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [memory](<https://devfeed.tech/tags/memory.md>), [performance](<https://devfeed.tech/tags/performance.md>), [queue](<https://devfeed.tech/tags/queue.md>), [queuing](<https://devfeed.tech/tags/queuing.md>), [security](<https://devfeed.tech/tags/security.md>), [snyk-apprisk](<https://devfeed.tech/tags/snyk-apprisk.md>), [snyk-code](<https://devfeed.tech/tags/snyk-code.md>)

## AI overview

This tutorial explains how Promise queues and task batching can manage concurrent asynchronous tasks in Deno more efficiently. It covers JavaScript's single-threaded, event-driven model, the limitations of running many promises together, and how queuing can reduce memory pressure and prevent one failed task from causing complete failure.

## Source excerpt

Learn how to create secure applications using Deno. Explore the default security measures provided by Deno, understand potential vulnerabilities such as Server-Side Request Forgery (SSRF), and uncover the best practices for minimizing risks. Enhance your application's security by leveraging Deno's advanced features.