Load Balancing Active Health Checks: Detect Failures Fast
The most surprising thing about load balancer health checks is that they're often too fast, leading to unnecessary traffic shifts and cascading failures.
Load Balancing Articles
49 articles
Load Balancing Algorithms: Round Robin, Least Conn, IP Hash
Round Robin, Least Connection, and IP Hash are the most common load balancing algorithms, but they're not interchangeable tools; each has a distinct imp.
Load Balancing Antipatterns: Mistakes That Cause Downtime
Load balancers are supposed to prevent downtime, but they often become the very source of it. The most common failure mode isn't a complete outage, but .
Load Balancing + Auto Scaling: Scale Behind a Load Balancer
Load Balancing + Auto Scaling: Scale Behind a Load Balancer — practical guide covering load-balancing setup, configuration, and troubleshooting with rea...
AWS ALB: Configure Application Load Balancer Rules
AWS ALB rules are surprisingly flexible, letting you route traffic not just by path, but by host, HTTP headers, query parameters, and even the source IP.
AWS NLB: Configure Network Load Balancer for TCP/UDP
AWS Network Load Balancer NLB can route traffic based on IP protocol, not just HTTP headers like Application Load Balancer.
Azure Load Balancer: Configure L4 Traffic Distribution
Azure Load Balancer's default distribution isn't what you'd expect, and that's precisely why you need to understand its mechanics.
Load Balancing Blue-Green: Route Traffic Between Versions
Load Balancing Blue-Green: Route Traffic Between Versions — practical guide covering load-balancing setup, configuration, and troubleshooting with real-...
Load Balancing Canary: Gradually Shift Traffic to New Code
Canary releases are a deployment strategy that allows you to gradually roll out new code to a subset of your users before a full production launch.
Cloudflare Argo: Smart Traffic Routing with Load Balancing
Cloudflare Argo doesn't just route traffic; it rewrites the physics of the internet by prioritizing your requests based on real-time network conditions.
Load Balancing Connection Draining: Zero-Downtime Deploys
When you take a server out of a load-balanced pool for maintenance, you want to ensure that any existing connections to that server are allowed to compl.
Load Balancing Debug: Diagnose Routing and 502 Errors
This is happening because your load balancer is successfully receiving requests but is unable to establish a healthy connection with any of its configur.
DNS Load Balancing: Route53 and Round-Robin DNS
DNS load balancing isn't about magically distributing traffic; it's a clever trick of serving up different IP addresses for the same hostname, making cl.
Load Balancing Enterprise Design: Global Traffic Management
Global load balancing isn't just about distributing traffic; it's about making your distributed applications perform and survive disasters by intelligen.
Envoy Proxy Load Balancing: Advanced Routing Rules
Envoy doesn't actually "balance" traffic in the way you might think of a traditional load balancer; it's more about intelligently directing requests bas.
Load Balancing Failover: Active-Passive Setup Guide
An active-passive load balancer setup doesn't actually balance traffic; it sits on standby, ready to take over if the active one fails.
Load Balancing Fundamentals: Core Concepts Explained
Load balancing isn't just about distributing traffic; it's about preventing your entire system from collapsing under its own success.
GCP Load Balancer: Configure Google Cloud Traffic Rules
A GCP load balancer isn't just a traffic director; it's an active participant in shaping application behavior, often in ways that surprise you.
Global Anycast Load Balancing: Route to Nearest Node
Global Anycast load balancing isn't just about sending traffic to the "closest" server; it's a sophisticated illusion that leverages the internet's rout.
Load Balancing gRPC: Distribute Protobuf Service Calls
gRPC load balancing isn't about blindly scattering requests; it's about ensuring your backend services stay healthy and responsive by intelligently dire.
HAProxy Load Balancing: Configure for Production Traffic
HAProxy can serve every single request that hits your application, but most people configure it to only handle a fraction of them.
Load Balancer Health Checks: Configure Correctly
Load balancer health checks are a surprisingly passive-aggressive system, constantly policing your backend services without ever directly telling them t.
Load Balancing High Availability: Active-Active Design
An active-active load balancer design doesn't actually balance load; it's a sophisticated traffic director that ensures no single server becomes a bottl.
IP Hash Load Balancing: Sticky Sessions by Client IP
IP Hash load balancing makes it look like your users are always talking to the same server, even though they might be hitting different ones behind the .
Kubernetes Ingress Load Balancing: Route HTTP Traffic
Kubernetes Ingress doesn't actually do any load balancing itself; it's just a set of rules that tells an external load balancer how to route traffic.
Kubernetes Service Load Balancing: ClusterIP and NodePort
Kubernetes Service objects can abstract away the complexities of Pod networking, but the way they distribute traffic isn't always obvious.
L4 Load Balancing: TCP and UDP Traffic Distribution
L4 load balancing distributes network traffic across multiple servers based on Layer 4 information, primarily TCP and UDP ports.
L7 Load Balancing: HTTP Routing by Header and Path
HTTP routing by header and path is how L7 load balancers decide which backend service should handle an incoming request.
L4 vs L7 Load Balancing: Choose the Right Layer
Load balancing isn't just about distributing traffic; it's about intelligently inspecting and routing requests based on their content.
Least Connections Load Balancing: Route to Lightest Server
Least connections load balancing doesn't just pick a server randomly; it actively routes traffic to the server currently handling the fewest active conn.
Least Response Time Load Balancing: Route to Fastest Server
The surprising truth about least response time load balancing is that it often doesn't make your system faster at all, and can even make it slower, if y.
Load Balancer Load Testing: Validate Under Peak Traffic
Load balancers are the unsung heroes of scalable web applications, but testing them under peak load isn't just about seeing if they survive; it's about .
Load Balancing Microservices: Client vs Server Side
Client-side load balancing is often more efficient than server-side load balancing because it distributes traffic before it even hits your load balancer.
Load Balancer Metrics: Monitor Connections and Latency
Load balancers don't just spread traffic; they're the gatekeepers of your application's responsiveness, and their metrics tell a story of user experienc.
Nginx Load Balancing: Upstream Configuration Guide
Nginx can make your load balancer disappear entirely, acting as a single, unified endpoint for clients while distributing traffic behind the scenes.
Load Balancing Passive Health Checks: Detect Bad Backends
Load balancers often use passive health checks to detect unhealthy backend servers by observing traffic patterns, rather than actively sending probes.
Load Balancer Performance: Tune for Maximum Throughput
Load balancers, often seen as simple traffic directors, can become performance bottlenecks if not meticulously tuned, and the most surprising truth is t.
Load Balancer Production Config: Every Setting Explained
A load balancer doesn't just distribute traffic; it's a sophisticated traffic cop that actively manipulates network flows based on a deep understanding .
Random Load Balancing: When to Use Simple Distribution
Random load balancing is the simplest distribution strategy, but its effectiveness hinges on a surprising truth: it's often the best choice when your se.
Resource-Based Load Balancing: Route by Server Capacity
Resource-based load balancing lets you steer traffic not just based on which server is available, but on how much work it can actually handle.
Round Robin Load Balancing: Evenly Distribute Traffic
Round robin load balancing is often presented as a simple, even distribution, but its reality is far more nuanced, often leading to uneven resource util.
Service Mesh Load Balancing: Istio Traffic Management
Istio's traffic management features, particularly its load balancing capabilities, are more about directing traffic between services than within a singl.
Load Balancer Session Persistence: Sticky Session Setup
Session persistence, often called "sticky sessions," means your load balancer will send a user back to the exact same backend server for their entire se.
Load Balancer SSL Termination: Offload TLS at the Edge
SSL termination at the edge means your load balancer handles all the TLS encryption and decryption, so your backend servers don't have to.
Sticky Sessions: Keep Users on the Same Backend
Sticky sessions, also known as session affinity or session persistence, are the mechanism that ensures a user's requests consistently hit the same backe.
Traefik Load Balancing: Dynamic Routing Configuration
Traefik doesn't just route traffic; it discovers your services and configures itself on the fly, eliminating the need for manual reloads and simplifying.
Load Balancing WebSockets: Maintain Persistent Connections
Maintaining persistent WebSocket connections across a load-balanced environment is surprisingly tricky because the protocol itself is designed to keep a.
Weighted Round Robin: Route More Traffic to Faster Nodes
Weighted Round Robin WRR isn't just about distributing traffic evenly; it's a clever way to send more traffic to nodes that can handle it, dynamically a.
Zero-Downtime Load Balancer Deploys: Every Strategy
Deploying changes to a load balancer without interrupting traffic isn't about a single magic bullet; it's about orchestrating a series of carefully time.