Queue monitoring dashboard for RudderJS — tracks job lifecycle, queue metrics, and worker status with a built-in UI.

Application performance monitoring for RudderJS — records request throughput, queue metrics, cache hit rates, exceptions, active users, slow queries, and server resource usage.

Tiny queue data structure

Produces BullMQ queue metrics for the Autoscale.app Agent

fast, tiny `queueMicrotask` shim for modern engines

In-process queue throughput, failure, activity, and latency metrics.

OpenTelemetry Collector Metrics Exporter allows user to send collected metrics to the OpenTelemetry Collector

Native metrics collector for libuv and v8

A shim for the setImmediate efficient script yielding API

OpenTelemetry metrics SDK

OpenTelemetry Collector Metrics Exporter allows user to send collected metrics to the OpenTelemetry Collector

Client for prometheus

Promise queue with concurrency control

OpenTelemetry Collector Metrics Exporter allows user to send collected metrics to the OpenTelemetry Collector using protobuf over HTTP

The smallest and simplest JavaScript priority queue

Easily measure performance metrics in JavaScript

A simple tool to keep requests to be executed in order.

queue-lit is a tiny queue data structure in case you `Array#push()` or `Array#shift()` on large arrays very often

Unpack capsize font metrics from fonts

Buffered metrics reporting via the Datadog HTTP API