goapm

goapm is a toolkit for monitoring and observability of golang applications. It provides a set of libraries that are wrapped around opentelemetry.

Example

• goapm-example

Features

• Components support opentelemetry
  • sql.DB
  • gorm.DB
  • RedisV6
  • RedisV9
  • HTTP
  • Gin
  • GRPC Server
  • GRPC Client
• Metrics
• AutoPProf
• APM
• RotateLog

Architecture

Otel Collector Policy

processors:
  batch:
  tail_sampling:
    decision_wait: 5s
    num_traces: 50000
    expected_new_traces_per_sec: 1
    policies:
      [
        {
          name: "pinned-always-sample",
          type: boolean_attribute,
          boolean_attribute: { key: pinned, value: true },
        },
        {
          name: "error-always-sample",
          type: boolean_attribute,
          boolean_attribute: { key: error, value: true },
        },
        {
          name: "slowsql-always-sample",
          type: boolean_attribute,
          boolean_attribute: { key: slowsql, value: true },
        },
        {
          name: "longtx-always-sample",
          type: boolean_attribute,
          boolean_attribute: { key: longtx, value: true },
        },
        {
          name: http-slow,
          type: numeric_attribute,
          numeric_attribute:
            {
              key: http.duration_ms,
              min_value: 1000,
              max_value: 9223372036854775807,
            },
        },
        {
          name: http-status-error,
          type: numeric_attribute,
          numeric_attribute:
            { key: http.status_code, min_value: 500, max_value: 599 },
        },
        {
          name: grpc-slow,
          type: numeric_attribute,
          numeric_attribute:
            {
              key: grpc.duration_ms,
              min_value: 1000,
              max_value: 9223372036854775807,
            },
        },
      ]
  filter/ottl:
    error_mode: ignore
    traces:
      span:
        - 'attributes["drop"] == true'