How does concurrency work with asynchronous steps?

Inngest concurrency limits active code execution; steps waiting on sleep or external events (step.waitForEvent) do not count against your limit.

What is the benefit of using Singleton mode?

Singleton mode ensures only one instance of a specific function runs at a time for a given key, preventing race conditions in operations like data backups or syncs.

When should I use event batching?

Use batching when you need to process multiple events together for efficiency, such as sending bulk emails or performing batch database inserts to reduce overhead.

What is the difference between throttling and rate limiting in Inngest?

Throttling delays function execution to stay within defined limits over time, while rate limiting discards events entirely once the threshold is exceeded.

Can I apply flow control limits to specific users?

Yes, using the 'key' property, you can apply concurrency, throttling, and rate limits to unique values in event data, such as user_id or account_id.

Inngest Flow Control

Name: Inngest Flow Control
Author: inngest

byinngest

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API Development

Optimizes Inngest function execution using concurrency limits, throttling, rate limiting, and advanced event batching strategies.

This skill provides specialized knowledge for implementing and optimizing flow control mechanisms within Inngest functions. It enables developers to manage system resources effectively, prevent API rate limit exhaustion, and ensure application reliability through prescriptive guidance on concurrency, debounce, priority queuing, and multi-tenant fairness. By applying these patterns, users can build robust serverless architectures that handle traffic spikes and complex background processing requirements with precision and cost-efficiency.

Key Features

01Event debouncing for noisy webhooks and rapid user input

02Dynamic priority queuing based on custom event data logic

03Multi-tenant concurrency limits using unique event keys

0415 GitHub stars

05Singleton execution modes to prevent race conditions

06Throttling and rate limiting to manage external API quotas

Use Cases

01Managing OpenAI API rate limits across multiple concurrent AI functions

02Implementing fair-use resource allocation in multi-tenant SaaS applications

03Preventing database overloads during high-volume bulk data synchronization

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add inngest/inngest-skills inngest-flow-control

For use in Claude.ai and ChatGPT

Download Skill