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  • License MIT

Report Garbage Collection stats using Prometheus

Package Exports

  • prometheus-gc-stats

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (prometheus-gc-stats) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

prometheus-gc-stats

Report Garbage Collection stats using Prometheus

NPM Version Build Status

Dependency Status Optional Dependency Status Peer Dependency Status Dev Dependency Status

Usage

This module has a peer dependency on prom-client. Currently, version 3-5 are supported.

This module follows the same API as the core default metrics. To start collection GC stats, invoke the exported function to create the metrics, then invoke the returned function to start the collecting.

gc-stats

The module doing the GC stats collecting is gc-stats. This module requires native dependencies. If the stats don't show up, make sure to check npm's install log for failures.

Metrics exposed

This module exposes 3 metrics:

  1. nodejs_gc_runs_total: Counts the number of time GC is invoked
  2. nodejs_gc_pause_seconds_total: Time spent in GC in seconds
  3. nodejs_gc_reclaimed_bytes_total: The number of bytes GC has freed

Credits

Thanks to @tcolgate for the original implementation.