Monitoring
This guide covers best practices for monitoring NudgeLang applications.
Metrics Collection
1. Basic Metrics
# Basic metrics configuration
states:
- id: metrics_state
type: tool
tool: collect_metrics
input:
service: "${input.service}"
# Metrics configuration
output:
collected: "${output.collected}"2. Advanced Metrics
# Advanced metrics configuration
states:
- id: metrics_state
type: tool
tool: collect_metrics
input:
service: "${input.service}"
config:
metrics:
- name: "request_count"
type: "counter"
labels: ["method", "path", "status"]
- name: "request_duration"
type: "histogram"
buckets: [0.1, 0.5, 1, 2, 5]
- name: "error_count"
type: "counter"
labels: ["type", "service"]
collection:
interval: 15
timeout: 5
# Metrics configuration
output:
collected: "${output.collected}"
metrics: "${output.metrics}"Logging
1. Basic Logging
# Basic logging configuration
states:
- id: logging_state
type: tool
tool: configure_logging
input:
service: "${input.service}"
# Logging configuration
output:
configured: "${output.configured}"2. Advanced Logging
# Advanced logging configuration
states:
- id: logging_state
type: tool
tool: configure_logging
input:
service: "${input.service}"
config:
format: "json"
level: "info"
fields:
- name: "service"
value: "${service.name}"
- name: "environment"
value: "${environment}"
handlers:
- type: "file"
path: "/var/log/app.log"
max_size: 100
max_backups: 5
- type: "syslog"
facility: "local0"
# Logging configuration
output:
configured: "${output.configured}"
handlers: "${output.handlers}"Tracing
1. Basic Tracing
# Basic tracing configuration
states:
- id: tracing_state
type: tool
tool: configure_tracing
input:
service: "${input.service}"
# Tracing configuration
output:
configured: "${output.configured}"2. Advanced Tracing
# Advanced tracing configuration
states:
- id: tracing_state
type: tool
tool: configure_tracing
input:
service: "${input.service}"
config:
sampler:
type: "probabilistic"
rate: 0.1
reporter:
type: "jaeger"
endpoint: "http://jaeger:14268/api/traces"
tags:
- name: "service"
value: "${service.name}"
- name: "environment"
value: "${environment}"
# Tracing configuration
output:
configured: "${output.configured}"
sampler: "${output.sampler}"Alerting
1. Basic Alerting
# Basic alerting configuration
states:
- id: alerting_state
type: tool
tool: configure_alerts
input:
service: "${input.service}"
# Alerting configuration
output:
configured: "${output.configured}"2. Advanced Alerting
# Advanced alerting configuration
states:
- id: alerting_state
type: tool
tool: configure_alerts
input:
service: "${input.service}"
config:
rules:
- name: "high_error_rate"
condition: "error_rate > 0.05"
duration: "5m"
severity: "critical"
notifications:
- type: "email"
to: "[email protected]"
- type: "slack"
channel: "#alerts"
- name: "high_latency"
condition: "p95_latency > 1s"
duration: "5m"
severity: "warning"
notifications:
- type: "slack"
channel: "#alerts"
# Alerting configuration
output:
configured: "${output.configured}"
rules: "${output.rules}"Best Practices
- Metrics: Collect relevant metrics
- Logging: Implement proper logging
- Tracing: Use distributed tracing
- Alerting: Set up meaningful alerts
- Visualization: Create useful dashboards
- Retention: Manage data retention
- Testing: Test monitoring setup
Common Pitfalls
- Missing Metrics: Not collecting important metrics
- Poor Logging: Insufficient logging
- No Tracing: Missing distributed tracing
- Alert Fatigue: Too many alerts
- Data Overload: Too much monitoring data
Next Steps
- Learn about Error Handling
- Explore Testing
- Read about Performance
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