Announcements and Updates

• Release notes
• Announcement (20210113): Optimization of the cloud monitoring feature
• Announcement (20200401): Billing of high-performance SLB instances of the smallest size
• [Phase-out announcement] Internal SLB instances of classic network type are phased out starting November 27, 2020
• Announcement

What is SLB?

• What is SLB?

Application Load Balancer

• What is Application Load Balancer (ALB)?
• Features and limits of different editions
• ALB billing
• Application Load Balancer Instance
• Application Load Balancer Listener
• Application Load Balancer Backend Server Group
• Application Load Balancer Safety Management

Classic Load Balancer

• Product Introduction
• Quick Start (New Console)
• CLB Pricing
• User Guide
• CLB Developer Guide

FAQ

• Why am I unable to access an SLB instance?
• Why are requests unbalanced among ECS instances?
• What can I do if health checks generate an excessive number of logs?
• What can I do if my ECS instance is declared unhealthy after I enable health checks for Server Load Balancer?
• How do I troubleshoot health check exceptions of a layer-4 (TCP/UDP) listener?
• How do I troubleshoot a health check exception of a Layer 7 listener (HTTP/HTTPS)?
• How do I troubleshoot HTTP 5xx errors?
• Configure cookie in the backend server
• Session persistence FAQ

Tutorials

FAQ & Troubleshooting

• FAQ & Troubleshooting