# stats

Collect metrics from other pipeline stages and emit aggregated statistics every interval seconds. Tracks standard metrics (errors, events, bytes) and supports custom metrics via extra. Memory usage (heap, RSS) is also emitted.

# Config

Optional:

interval: How often in seconds to emit aggregated stats (default: 15)
extra: Additional custom metric names to track

Standard Metrics:

errors: number of errors
latency: ms of a response
inFlight: number of inflight requests
rxEvents: number of events ingested
rxBytes: bytes received
txEvents: number of events shipped
txBytes: bytes shipped

# Example

The STATS channels is a special built-in. LogEngine.stats() will emit errors to the STATS channel.

pipeline:
  stats:
    inputs: [STATS]
    config:
      interval: 300
      extra: [banned]