Kubernetes Monitoring with Prometheus

  1. Prometheus Fundamentals
    1. Core Data Model Concepts
      1. Time Series Database Principles
        1. Time Series Structure
          1. Timestamp Precision
            1. Value Types and Encoding
            2. Metrics and Labels
              1. Metric Naming Conventions
                1. Label Key-Value Pairs
                  1. Label Cardinality Considerations
                    1. Reserved Label Names
                    2. Sample Data Points
                      1. Sample Structure
                        1. Data Point Lifecycle
                          1. Staleness Handling
                        2. Metric Types Deep Dive
                          1. Counter Metrics
                            1. Monotonic Increase Behavior
                              1. Rate Calculation Methods
                                1. Counter Reset Handling
                                  1. Use Cases and Examples
                                    1. Common Pitfalls
                                    2. Gauge Metrics
                                      1. Current State Representation
                                        1. Instantaneous Value Tracking
                                          1. Use Cases and Examples
                                            1. Gauge vs Counter Decision Making
                                            2. Histogram Metrics
                                              1. Bucket-Based Distribution
                                                1. Cumulative Bucket Behavior
                                                  1. Quantile Estimation
                                                    1. Use Cases for Latency Measurement
                                                      1. Bucket Configuration Strategies
                                                      2. Summary Metrics
                                                        1. Client-Side Quantile Calculation
                                                          1. Sliding Window Approach
                                                            1. Quantile Accuracy Trade-offs
                                                              1. Summary vs Histogram Comparison
                                                            2. Pull-Based Monitoring Architecture
                                                              1. Pull vs Push Model Comparison
                                                                1. Target Discovery Mechanisms
                                                                  1. Scraping Process Flow
                                                                    1. Error Handling and Retries
                                                                      1. Scrape Interval Considerations
                                                                      2. Prometheus Server Architecture
                                                                        1. Data Ingestion Pipeline
                                                                          1. Scraping Engine
                                                                            1. Sample Processing
                                                                              1. Duplicate Detection
                                                                              2. Storage Engine
                                                                                1. Time Series Database (TSDB)
                                                                                  1. Block Structure
                                                                                    1. Compaction Process
                                                                                      1. Retention Policies
                                                                                      2. Query Engine
                                                                                        1. PromQL Execution
                                                                                          1. Query Optimization
                                                                                            1. Memory Management
                                                                                            2. Web API Interface
                                                                                              1. HTTP API Endpoints
                                                                                                1. Query API
                                                                                                  1. Admin API
                                                                                                2. Ecosystem Components
                                                                                                  1. Exporters
                                                                                                    1. Node Exporter Functionality
                                                                                                      1. Application-Specific Exporters
                                                                                                        1. Custom Exporter Development
                                                                                                          1. Exporter Best Practices
                                                                                                          2. Pushgateway
                                                                                                            1. Batch Job Monitoring
                                                                                                              1. Short-Lived Process Handling
                                                                                                                1. Anti-Pattern Avoidance
                                                                                                                  1. Configuration and Usage
                                                                                                                  2. Alertmanager
                                                                                                                    1. Alert Processing Pipeline
                                                                                                                      1. Notification Routing
                                                                                                                        1. Alert Deduplication Logic
                                                                                                                          1. Integration Capabilities
                                                                                                                          2. Service Discovery
                                                                                                                            1. Static Configuration
                                                                                                                              1. Dynamic Discovery Mechanisms
                                                                                                                                1. File-Based Discovery
                                                                                                                                  1. DNS-Based Discovery
                                                                                                                                    1. Cloud Provider Integration

                                                                                                                                Previous

                                                                                                                                1. Introduction to Observability in Kubernetes

                                                                                                                                Go to top

                                                                                                                                Next

                                                                                                                                3. Prometheus Query Language (PromQL)