11 Best HAProxy Monitoring Tools for 2025

HAProxy is a popular open-source load balancer that keeps many of the world’s busiest apps online. Yet, even the best load balancer can run into trouble if traffic patterns shift or user demand suddenly surges.

HAProxy monitoring tools help you stay a step ahead—ensuring you can quickly detect and resolve issues before they spiral out of control.

In this guide, we’ll explore 11 top HAProxy monitoring solutions.

What makes HAProxy monitoring so important?

At first glance, HAProxy monitoring might look like another “nice-to-have,” especially when the service is quietly churning and there are no apparent hiccups. In reality, continuous and reliable monitoring is vital for several reasons:

• Early bottleneck detection: Real-time metrics—like requests per second or queue lengths—help you catch performance hiccups before users notice.
  
• Smarter capacity planning: Tracking usage trends shows you when to scale up or down, preventing resource waste or unexpected downtime.
  
• Cost savings: By analyzing CPU, memory, and network data, you can spot inefficiencies and avoid unnecessary spending.
  
• Proactive problem-solving: Automated alerts let you address issues fast, reducing downtime and freeing your team to focus on bigger projects.

11 best HAProxy monitoring tools in 2025

Below is an overview of 11 leading solutions, each designed to help you convert HAProxy’s traffic stats into actionable dashboards, alerts, and insights.

1. Better Stack

Better Stack stands out with its intuitive UI, featuring user-friendly dashboards showing real-time HAProxy metrics. Coupled with alerting and incident management features, it keeps you one step ahead of issues to quickly spot and resolve potential bottlenecks.

🌟 Key features

• Uptime monitoring
  
• Incident management
  
• Logs and metrics management
  
• Public or private status pages
  

➕ Pros

• Premade, intuitive dashboards
  
• Multiple alerting channels
  
• Easy integration with existing log pipelines
  
• Customizable metrics and queries
  
• Built-in anomaly detection and escalation workflows
  

➖ Cons

• Closed-source solution
  

💲 Pricing

Better Stack offers flexible plans for teams of all sizes. The free tier covers 10 monitors, 1 status page, 3 GB of logs/month (3-day retention), 2 billion metrics (30-day retention), and basic integrations.

The pay-as-you-go plan starts at $29/month, adding unlimited alerts, private status pages, on-call scheduling, and AI-driven incident silencing.

2. Sematext

Sematext also streamlines HAProxy monitoring with customizable dashboards, helping you track request rates, error patterns, denied requests, and HTTP error codes. It also offers anomaly detection for spotting sudden metric shifts and supports multiple notification channels.

🌟 Key features

• Metric correlation across logs and performance
  
• Flexible integrations
  
• Intelligent alerts and notifications
  

➕ Pros

• Auto-discovers HAProxy instances
  
• Supports containers, Kubernetes, and on-prem environments
  
• Pre-built dashboards for quick setup
  

➖ Cons

• SaaS-only; no self-host option
  

💲 Pricing

Pricing starts at $3.60 per agent, per host, per month for the standard tier and $5.76 for the Pro tier, with a 14-day free trial available. You can also monitor up to five hosts for free with a 30-minute retention period, making it accessible for initial evaluation and small-scale use.

3. Opsview

Opsview is another option that monitors HAProxy. It provides a wide range of service checks and metrics for efficiently running an HAProxy server, making it easier to maintain high availability and optimal performance.

🌟 Key features

• Pre-defined host template
• Performance tracking
• Status & health monitoring

➕ Pros

• Monitors essential parameters such as connections, requests, responses, sessions, byte throughput, and HTTP response codes
• Pre-built templates and service checks simplify configuration and reduce setup time
• Capable of handling monitoring needs for high-traffic, mission-critical environment

➖ Cons

• Requires integration with Opsview Cloud or Opsview Monitor 6, which requires additional infrastructure setup

💲 Pricing

Opsview has flexible per-host pricing with volume discounts. The enterprise plan starts at $13 (cloud) or $10 (on-prem) per host per month for large environments (500+ hosts), featuring advanced capabilities like dynamic thresholds and anomaly detection.

4. Datadog

Datadog merges performance metrics, log management, and alerts under one roof, making it a solid choice for HAProxy monitoring. Once integrated, you can visualize key metrics, track logs, and set up timely notifications.

Datadog extends its capabilities to databases, containers, infrastructure, and more for a comprehensive monitoring experience.

🌟 Key features

• Log management
• Correlation capabilities
• Customizable alerts
• Infrastructure monitoring
• Network monitoring
• Container monitoring
• Cloud cost management

➕ Pros

• Pre-configured dashboards and integrations speed up initial setup and provide immediate visibility
• Combines metrics, logs, and alerting, simplifying monitoring workflows
• Outlier detection and alerting based on metrics and log patterns to notify teams of anomalies or potential issues
• Easy setup of the Datadog Agent to collect HAProxy metrics and logs, with guided installation options

➖ Cons

• Advanced features and high-volume data ingestion can increase costs
• Configuring agents, customizing dashboards, and setting up alerts may require time and expertise

💲 Pricing

Datadog uses a usage-based model that grows with your needs. The free tier covers up to 5 hosts with 1-day metric retention. As you scale, the Pro tier starts at about $15 per host per month (billed annually) and unlocks longer retention, 800+ integrations, and advanced dashboards.

5. IBM Instana

IBM Instana simplifies HAProxy monitoring by automatically deploying a sensor via the Instana agent. It collects real-time metrics from HAProxy through its configured "stats socket" and visualizes performance data on detailed dashboards.

The solution continuously evaluates health signatures to proactively detect and alert on issues, ensuring optimized load balancer performance.

🌟 Key features

• Automated deployment
• Real-time metrics
• Health signatures
• Detailed dashboards
• Multi-process support

➕ Pros

• Automatic sensor deployment simplifies the initial configuration
• High-granularity metrics and detailed dashboards offer deep insights into HAProxy performance
• Health signatures and built-in events trigger timely alerts and incidents for swift resolution
• Supports multi-process HAProxy setups, enabling monitoring across complex environments

➖ Cons

• Monitoring is capped at 300 services (combined frontends and backends)
• Multi-process mode requires careful "stats socket" configuration, which can be challenging

💲 Pricing

IBM Instana pricing for HAProxy monitoring starts at approximately USD 18/month for one essential MVS, offering core observability features such as infrastructure discovery, container monitoring, and 1-second granularity.

6. Prometheus + Grafana

Prometheus and Grafana form an excellent open-source duo for HAProxy monitoring. Prometheus gathers metrics for frontends, backends, and health checks, while Grafana provides pre-built and customizable dashboards for clear data visualization. This setup benefits from native Prometheus support in HAProxy and a large, active community.

🌟 Key features

• Service discovery for dynamic environments
  
• Powerful PromQL queries
  
• Grafana dashboards for custom views
  

➕ Pros

• Built-in Grafana dashboards to provide immediate insights into HAProxy performance
• Multiple ingestion options and customization through Prometheus configuration
• Adaptive metrics and adjustable scrape intervals help manage and optimize data points, reducing expenses
• Grafana Cloud's Mimir database scales to store large volumes of HAProxy metrics long-term

➖ Cons

• Setting up Prometheus scraping, configuring remote write, or deploying Grafana Agent can be complex
• Fine-tuning scrape intervals and adaptive metrics requires careful planning to balance cost and data resolution

💲 Pricing

Grafana Cloud provides a generous free tier, including a 10k Prometheus series and various limits on logs, traces, and profiles. Costs incur when exceeding these limits, such as additional data points beyond the free allocation.

7. Dynatrace

Dynatrace is a good solution for monitoring HAProxy load balancers remotely via socket or HTTP connections. The HAProxy extension, which runs from an ActiveGate, collects service metrics every minute and sends them to Dynatrace for analysis.

It supports various deployment modes, including on-premises and containerized environments, with pre-built dashboards, anomaly detection, and alerting capabilities.

🌟 Key features

• Log, metrics, and cloud integration
• AWS monitoring
• Azure monitoring
• Google Cloud Monitoring
• Kubernetes observability

➕ Pros

• Comes with dedicated dashboards for HAProxy metrics
• Supports both HTTP and Socket modes for connecting to HAProxy
• Automatically discovers HAProxy instances
• Has anomaly detection to alert users of unexpected events or performance issues in real-time

➖ Cons

• Limited documentation for Kubernetes-based container deployments

💲 Pricing

If you want to monitor HAProxy, Dynatrace offers tailored pricing plans:

• Infrastructure monitoring: Starts at $21 per month per host for 8 GB of data.
  
• Full-stack monitoring: Priced at $69 per month per host for 8 GB of data.
  

Additionally, Dynatrace provides a 15-day free trial with no credit card required, allowing you to explore HAProxy monitoring features and assess fit before making a commitment.

8. New Relic

New Relic’s HAProxy integration automatically gathers a wide range of inventory and performance metrics, giving you real-time insights into servers, frontends, and backends.

Installing the infrastructure agent—guided or manually—allows you to visualize and analyze these key metrics directly within the New Relic platform.

🌟 Key features

• Labeling and customization
• Comprehensive metrics collection
• Visualization and alerting
• Log management

➕ Pros

• Extensive metrics and inventory collection provide a detailed view of HAProxy performance
• Easily adjust configurations using YAML, environment variables, or secrets management
• Offers guided installation for ease of use and manual installation for permanent, scalable monitoring
• Integrates with New Relic dashboards for visualization and sets up alert conditions based on collected metrics

➖ Cons

• Wide array of configuration options and metrics may be overwhelming
• Requires familiarity with New Relic's Infrastructure agent and configuration management to leverage HAProxy integration capabilities fully

💲 Pricing

New Relic offers transparent, usage-based pricing starting with a free tier that includes 100 GB of monthly data ingest and unlimited basic users—ideal for initial HAProxy monitoring. As needs grow, standard, pro, and enterprise editions provide increased support, user access, and features.

9. ManageEngine

ManageEngine is an HAProxy monitoring solution designed to keep your instances running smoothly. It stands out for its profound insights, ease of use, and comprehensive feature set, ensuring efficient performance and quick troubleshooting.

🌟 Key features

• Comprehensive metric collection
• Resource utilization tracking
• Frontend & backend analysis
• Health monitoring
• Alerts & notifications

➕ Pros

• Smoothly integrates with existing architectures without disrupting operations
• Delivers real-time alerts and monitoring
• Simplifies complex data into understandable insights through an intuitive dashboard
• Correlation of metrics gives actionable insights

➖ Cons

• Pricing details require direct consultation, which might not appeal

💲 Pricing

ManageEngine provides flexible pricing options to fit various business needs. You can start with a 30-day free trial to experience full HAProxy monitoring without commitment.

You can choose an annual subscription with a fixed cost, a perpetual license with optional annual maintenance, or request a custom quote tailored to your specific number of monitors, users, and add-ons.

10. Netdata

Netdata delivers real-time monitoring for HAProxy with automatic service discovery and detailed dashboards. It visualizes critical metrics—such as backend sessions, response times, queue lengths, HTTP responses, and network I/O—providing immediate insights into load balancer performance and potential bottlenecks.

🌟 Key features

• Automatic discovery
• Comprehensive metrics
• Real-time granularity

➕ Pros

• Auto-discovers HAProxy and hundreds of other services with minimal configuration
• Pre-populated dashboards simplify monitoring
• Netdata offers a free version with powerful features, making it accessible for small-scale deployments

➖ Cons

• The documentation can be lacking in other parts

💲 Pricing

Netdata’s business plan starts at approximately $4.50 per monthly node, offering unlimited metrics, dashboards, and retention. For complete data isolation, the enterprise on-premise option begins at about $3.52 per node per month.

11. Zabbix

Zabbix offers dedicated monitoring for HAProxy through official templates. These templates enable smooth data collection directly from HAProxy’s stats page via HTTP or agent methods—no external scripts needed—making load balancer performance monitoring straightforward.

🌟 Key features

• Automatic data collection
• Real-time monitoring
• Triggers and alerts
• Low-level discovery

➕ Pros

• Zabbix is free and open source, making it a budget-friendly option
• Provides extensive metrics, real-time alerts, and low-level discovery for dynamic environments
• Highly customizable templates and macros allow tailored configurations to fit specific HAProxy setups
• Capable of monitoring multiple HAProxy instances and adapting to infrastructure changes through automated discovery

➖ Cons

• Getting familiar with Zabbix’s extensive features and templating system can be challenging

💲 Pricing

Zabbix is free to use, including HAProxy monitoring, while paid enterprise support and consulting services offer additional reliability and value, with pricing varying based on service level and the number of monitored nodes.

Final thoughts

HAProxy monitoring is about more than catching alerts—it’s about understanding traffic flows, anticipating spikes, and fine-tuning resources to avoid slowdowns. This article explored some of the best monitoring tools available.

I hope you can now choose a solution that aligns with your environment. If you’re still undecided, consider trying out a few options using their free tiers to see which fits best.

Thanks for reading, and happy monitoring!

Article by

Stanley Ulili

Stanley Ulili is a technical educator at Better Stack based in Malawi. He specializes in backend development and has freelanced for platforms like DigitalOcean, LogRocket, and AppSignal. Stanley is passionate about making complex topics accessible to developers.

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