Load Balancing

11.

Troubleshooting and Common Issues

11.1.

Health Check Problems

11.1.1.

Misconfigured Health Checks

11.1.2.

False Positive Detection

11.1.3.

False Negative Detection

11.1.4.

Health Check Timing Issues

11.2.

Session Persistence Issues

11.2.1.

Sticky Session Failures

11.2.2.

Session Loss Problems

11.2.3.

Cookie Configuration Errors

11.3.

Backend Server Problems

11.3.1.

Server Overload Detection

11.3.2.

Uneven Load Distribution

11.3.3.

Server Capacity Mismatches

11.4.

Network and Connectivity Issues

11.4.1.

Network Latency Problems

11.4.2.

Connection Timeout Issues

11.4.3.

Bandwidth Limitations

11.4.4.

DNS Resolution Problems

11.5.

Single Point of Failure Analysis

11.5.1.

SPOF Identification

11.5.2.

Redundancy Planning

11.5.3.

Failover Testing

11.6.

Diagnostic Techniques

11.6.1.

Log Analysis Methods

11.6.2.

Traffic Pattern Analysis

11.6.3.

Root Cause Analysis

11.6.4.

Performance Profiling

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10. Performance Optimization and Monitoring

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1. Introduction to Load Balancing