Node.js agent v8.11.0

Notes

• Added application logging for Winston in the Node.js agent

  • Ability to forward logs, send log metrics, and perform local log decoration

  • Added application log aggregator to collect logs with adaptive sampling and appropriate max samples stored.

  • Added application_logging configuration and env vars with appropriate defaults.

  • Added application_logging.enabled configuration value, defaulting to true.

  • Set application_logging.forwarding.enabled to false when High-security mode (HSM) is set.

  • Enabled log forwarding by default in the example config.

  • Added sent, seen, and dropped metrics that collected on every harvest cycle around log lines.

  • Added supportability metrics for some popular logging frameworks.

  • Added supportability metrics to record if the logging features are enabled.

  • Added a storage mechanism to transactions to keep logs until transaction ends.

• Removed distributed tracing setting from example config.

• Fixed a typo in lib/instrumentation/core/child_process.js.

  Thanks to Eito Katagiri (@eitoball) for the contribution.

• Support automatic instrumentation of Redis v4.

• Bumped moment from v2.29.1 to v2.29.2.

• Bumped tap to v16.x.

• Updated ansi-regex to resolve a dev dependency audit warning.