Alerty Blog

NextJS Prometheus Integration For Enhanced Performance Monitoring

Written by Jack Dwyer | Jul 23, 2024 11:30:17 AM

Do you need help finding the perfect solution for integrating NextJS and Prometheus to monitor your applications effectively? Vercel logging offers a seamless experience for performance monitoring, thanks to NextJS Prometheus. Let's explore how you can take advantage of this powerful tool to enhance your application's performance and monitoring capabilities.

Alerty's NextJS logging provides an essential tool to help you achieve your objectives, such as integrating NextJS and Prometheus for performance monitoring. Unlock the potential of NextJS Prometheus to optimize your applications effectively.

Table of Contents

What Is Prometheus?

Prometheus is a monitoring tool designed to capture and process time series data. It collects, organizes, and stores metrics, personal identifiers, and timestamps. This tool is essential for tracking what's happening in your software over time, enabling you to monitor a wide range of metrics. These metrics can define vital server health indicators like:

  • CPU usage
  • Memory usage
  • Custom metrics like the success rates of your APIs or page loads

Prometheus excels at real-time monitoring, which enables timely alerts and data visualization, making it a popular choice for monitoring solutions.

How Prometheus Works: A Closer Look

Prometheus is an open-source software that scrapes HTTP endpoints to collect metrics from various targets. These targets can encompass platforms for infrastructure, applications, and services. Prometheus is a flexible metrics collection and alerting tool that works in tandem with the Alert manager service. 

It's a robust solution for monitoring and maintaining the health of your software and services in a holistic manner. The ability to collect and visualize real-time metrics makes Prometheus a valuable asset for any developer or IT professional.

Prometheus and NextJS Integration: A Winning Combination

When it comes to monitoring NextJS applications, Prometheus proves to be a valuable ally. By integrating Prometheus with your NextJS project, you can gather critical metrics that help you understand the performance and health of your application. Tracking metrics gives you valuable insights into how your application is functioning and where improvements can be made such as:

  • Server response times
  • Request rates
  • Error rates 

By setting up alerts based on these metrics, you can proactively address issues before they impact your users, ensuring a seamless user experience.

Proactive Monitoring for Next.js Apps

Prometheus is more than just a monitoring tool—it's a powerful ally in helping you maintain the health and performance of your applications and services. By capturing and processing time series data, Prometheus gives you the insights you need to make informed decisions and keep your software running smoothly. Whether you're monitoring server health metrics or tracking custom metrics unique to your application, Prometheus is a versatile tool that can adapt to your needs.

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Key Features Of Prometheus

Prometheus, a powerful open-source monitoring solution, boasts several key features that set it apart from other monitoring tools. 

Effortless Data Organization

Prometheus uses a multi-dimensional data model to store time series data. This model allows users to organize metrics using key/value pairs, making the categorization and querying of data simple and efficient. 

Powerful Data Analysis

Prometheus boasts a query language called PromQL, which makes it a cinch to query and analyze time series data. The tool is also designed to support independent server nodes without the need for distributed storage, ensuring reliability and simplicity. 

Flexible Data Collection

In terms of data collection, Prometheus uses a pull model over HTTP, making it easy to gather time series data. The tool also supports a central table where timelines can be pushed. This feature allows developers to collect data in various ways to meet their unique needs. 

Adaptable to Your Needs

Another key feature of Prometheus is its ability to support both static configuration and service discovery. This flexibility makes it adaptable to dynamic environments. Prometheus includes various graphing and dashboarding capabilities, allowing users to effectively visualize and analyze metrics.

All-in-One Monitoring for Developers

Alerty is a cloud monitoring service for developers and early-stage startups, offering:

  • Application performance monitoring
  • Database monitoring
  • Incident management

It supports technologies like NextJS, React, Vue, and Node.js, helping developers identify and fix issues. 

  • Alerty monitors databases such as Supabase, PostgreSQL, and RDS
  • Tracking key metrics like CPU usage and memory consumption
  • It features quick incident management and Real User Monitoring (RUM) to optimize user experience
  • Its universal service monitoring covers dependencies like Stripe API, OpenAI, and Vercel 

Alerty uses AI to simplify setup, providing a cost-effective solution compared to competitors. It is designed for ease of use, allowing quick setup, and integrates with tools like Sentry, making it ideal for developers and small teams needing efficient, affordable monitoring. 

Catch issues before they affect your users with Alerty's NextJS logging tool today!

How Does Prometheus Work?

The Prometheus server gathers metrics from various sources, including your servers and other monitoring targets, by periodically fetching data from their metric endpoints using HTTP requests, following a predefined schedule. When dealing with transient or short-lived jobs that can't be regularly polled for metrics, Prometheus offers a Push gateway solution. 

This intermediary server allows monitoring targets to send their metrics before they terminate. For our case, we stick to the implementation using the Prometheus pull method.

Prometheus also offers powerful querying capabilities through PromQL (Prometheus Query Language). This functional query language enables the real-time selection and aggregation of time series data.

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NextJS Prometheus Integration For Enhanced Performance Monitoring

The Nextjs Prometheus package offers a streamlined way to integrate Prometheus with Next.js applications to enhance overall observability. This package essentially modifies Next.js modules responsible for server-side rendering (SSR) operations, such as:

  • getServerSideProps
  • Middleware
  • API routes

Key Features of Nextjs Prometheus

Monkey-Patching

This clever technique tweaks Next.js internals without disturbing the original framework, effectively providing insights into application performance.

SSR Metrics

It effectively tracks metrics associated with server-side rendering, particularly crucial for applications leaning heavily on SSR for performance and SEO.

Compatibility

The Nextjs Prometheus package requires Next.js version 12.0.9 or later, with specific guidelines for middleware utilization.

Setting Up Prometheus with Next.js

Install the Package

To kickstart the integration, add Nextjs Prometheus to your project:

bash
npm install Nextjs Prometheus

Modify package.json

Update your start script to include Prometheus instrumentation:

json
"start": "NODE_OPTIONS='--require nextjs-prometheus' next start"

Wrap Your SSR Functions

Utilize a higher-order function (HOF) to wrap your getServerSideProps functions for tracking metrics. Here’s an example:

javascript
// withPrometheusMetrics.js
function withPrometheusMetrics(getServerSidePropsFunction) {
    return async function (context) {
        const start = process.hrtime();
        const result = await getServerSidePropsFunction(context);
        const diff = process.hrtime(start);
        const duration = diff[0] * 1e3 + diff[1] / 1e6; // Convert to milliseconds
        getServerSidePropsCounter.inc();
        getServerSidePropsHistogram.observe(duration);
        return result;
    };
}

Implement in Your Pages

javascript
// pages/yourPage.js
import withPrometheusMetrics from '../withPrometheusMetrics';

export async function getServerSideProps(context) {
    // Your original logic
}

export default withPrometheusMetrics(getServerSideProps);

Alternative Approaches to Prometheus NextJS Integration

If you opt not to use monkey-patching, another way to integrate Prometheus is by utilizing the prom-client library directly. This approach involves creating an API route to expose metrics, providing you with an additional level of flexibility in handling performance data.

Create an API Route

javascript
// pages/api/metrics.js
import { register, collectDefaultMetrics } from 'prom-client';

collectDefaultMetrics();

export default async function handler(req, res) {
    res.setHeader('Content-Type', register.contentType);
    res.end(await register.metrics());
}

Configure Prometheus

Ensure your Prometheus server scrapes metrics from your Next.js app by configuring prometheus.yml accordingly:

text
scrape_configs:
  - job_name: 'nextjs-app'
    metrics_path: '/api/metrics'
    static_configs:
      - targets: ['localhost:3000']

Integrating Prometheus with Next.js is a powerful strategy for thoroughly monitoring your application. Whether you choose the Nextjs Prometheus package for effortless SSR instrumentation or prefer to implement customized metrics collection using prom-client, both methods offer valuable insights into your application's performance and behavior.

What Can You Do With This Integration?

Here are the main aspects you can monitor:

Response Times

Track how long it takes for your server-side rendered pages to respond. This includes the time getServerSideProps takes to fetch data and render the page.

Request Counts

Monitor the number of requests made to your SSR routes, helping you understand traffic patterns and load.

Monitoring API Performance

API Response Times

Measure the latency of your API endpoints, allowing you to identify slow-performing APIs that may need optimization.

Error Rates

Track the number of failed requests to your APIs, which can help diagnose issues and improve reliability.

Monitoring Application Health Metrics

CPU and Memory Usage

Monitor the resource consumption of your Next.js application, which can indicate performance bottlenecks or resource leaks.

Event Loop Lag

Measure the responsiveness of your Node.js event loop, which is critical for maintaining application performance under load.

Capturing Custom Metrics

User Interactions

Capture metrics related to user interactions, such as button clicks or page views, to gain insights into user behavior and engagement.

Business Logic Metrics

Implement custom metrics that reflect the specific business logic of your application, such as the success rate of transactions or the completion rate of user tasks.

Setting Up Health Checks

Uptime Monitoring

Set up health checks to ensure your application is running and accessible. This can include monitoring specific endpoints that return a success status.

Dependency Health

Monitor the health of external services your application depends on, such as databases or third-party APIs.

5 Prometheus Alternatives For Enhanced Performance Monitoring

1. Alerty

Alerty is a cloud monitoring service for developers and early-stage startups, offering:

  • Application performance monitoring
  • Database monitoring
  • Incident management

It supports technologies by helping developers identify and fix issues, such as:

  • NextJS
  • React
  • Vue
  • Node.js

Database Monitoring and User Experience

Alerty monitors databases such as Supabase, PostgreSQL, and RDS, tracking key metrics like CPU usage and memory consumption. It features quick incident management and Real User Monitoring (RUM) to optimize user experience. Its Universal Service Monitoring covers dependencies like:

  • Stripe API
  • OpenAI
  • Vercel

AI-Powered Setup, Integrations, and Affordability

Alerty uses AI to simplify setup, providing a cost-effective solution compared to competitors. It is designed for ease of use, allowing quick setup, and integrates with tools like Sentry, making it ideal for developers and small teams needing efficient, affordable monitoring. 

Catch issues before they affect your users with Alerty's NextJS logging tool today!

2. Sentry

Sentry is a widely-used APM tool known for its error monitoring and crash reporting capabilities. These capabilities come from collecting and centralizing error data from all your applications to easily see where and what’s causing errors. Sentry also provides various tools to help you debug errors, including stack traces, logs, and environment variables.

3. Dotcom-Monitor

Dotcom-Monitor monitors multi-step web transactions for functionality, accessibility, and performance worldwide and inside the network. Create scripts easily to monitor transactions like:

  • Shopping carts
  • Signups
  • Portal logins

You can record the user path while navigating web applications and upload it to the portal. Use Dotcom-Monitor's global monitoring network to set up monitoring from multiple locations or use a Private Agent to monitor inside the network. Review the charts and receive alerts instantly on any failures. Understand the problem to reduce your web application's downtime.

It monitors end-users critical paths, including:

  • Login forms
  • Website content verification
  • eCommerce applications

With Dotcom-Monitor, you will be able to script end-user interactions easily to ensure the performance and proper functionality of Rich Internet Applications, including:

  • HTML5
  • Flash
  • Flex
  • Silverlight
  • Java
  • AJAX
  • Other web elements

Boost your web application performance with the Dotcom-Monitor’s critical features like:

  • Reporting
  • Alerts
  • APIs
  • Web recorders
  • Private agents
  • Filters
  • Schedules
  • Integrations and more

You can also view the live status of your web application in an integrated and single interface.

4. Grafana

Grafana has become an open-source observability platform. Initially, it focused only on visualization of observability data, but it has since invested in building out an observability stack for:

  • Logging (Loki)
  • Tracing (Tempo)
  • Metrics (Mimir)

Grafana is suitable for teams that focus heavily on metrics monitoring and don’t find logs or tracing as important or useful (or are willing to pair other tools alongside). They may be interested in self-hosting the open-source version.

5. Sumo Logic

Sumo Logic excels at positioning itself as a cloud-native Splunk alternative, focusing on log analysis and security workloads. Sumo Logic is suitable for enterprise teams that primarily want a flexible log analysis/SIEM platform and are willing to invest time into having engineers learn a bespoke query language.

Catch Issues Before They Affect Your Users with Alerty's NextJS Logging Tool

When it comes to monitoring and optimizing the performance of your NextJS applications, having the right tools at your disposal is crucial. One such tool that stands out in cloud monitoring services is Alerty. Alerty is a cloud monitoring service designed specifically for developers and early-stage startups, offering a comprehensive suite of monitoring capabilities to help identify and resolve issues promptly. 

With a focus on application performance monitoring, database monitoring, and incident management, Alerty is a versatile solution that supports a wide range of technologies, including:

  • NextJS
  • React
  • Vue
  • Node.js

Database Insights

Alerty's robust monitoring capabilities extend to various databases commonly used in web development, such as:

  • Supabase
  • PostgreSQL
  • RDS

By tracking key metrics like CPU usage and memory consumption, Alerty provides developers with valuable insights into the performance of their databases, enabling them to make informed decisions to optimize their applications further.

Proactive Problem-Solving

One of Alerty's standout features is its quick incident management functionality, which allows developers to respond promptly to any issues that arise in their applications. By leveraging real-time incident alerts, developers can address critical issues before they impact user experience, ensuring their applications remain stable and performant.

Optimizing User Experience

Alerty offers Real User Monitoring (RUM) capabilities, enabling developers to understand how real users interact with their applications. By tracking user behavior and performance metrics, developers can identify areas for improvement and optimize the user experience effectively.

Building Resilient Apps

As developers, we know that managing dependencies is vital to application development. Alerty's universal service monitoring feature covers many dependencies, including popular APIs like:

  • Stripe
  • OpenAI
  • Vercel

By monitoring these dependencies and alerting developers to any issues that may arise, Alerty empowers developers to build resilient applications that can withstand unforeseen challenges.

Designed for Developers and Small Teams

Alerty stands out for its simplicity and ease of use. Designed with developers in mind, Alerty's intuitive interface and straightforward setup process make it ideal for small teams and individual developers looking to streamline their monitoring workflows. 

Alerty seamlessly integrates with popular developer tools like Sentry, enhancing its value proposition for developers seeking a comprehensive monitoring solution.

Cost-Effective Solution with Seamless Integrations

Leveraging AI to simplify setup, providing a cost-effective solution, and offering a user-friendly interface, Alerty empowers developers to catch issues before they affect their users. Whether you're an experienced developer or just starting on your development journey, Alerty can help you optimize the performance of your NextJS applications and deliver exceptional user experiences. 

Powered by Alerty, your NextJS apps can reach new heights of performance and reliability.

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