# Uses of Class
org.apache.nutch.metrics.LatencyTracker

Packages that use LatencyTracker
Package
Description
org.apache.nutch.fetcher
The Nutch multi-threaded fetching module
org.apache.nutch.metrics
Metrics infrastructure for Apache Nutch.

- ## Uses of LatencyTracker in org.apache.nutch.fetcher

  Methods in org.apache.nutch.fetcher that return LatencyTracker
  Modifier and Type
  Method
  Description
  `LatencyTracker`
  FetcherThread.`getFetchLatencyTracker()`
  Returns the fetch latency tracker for this thread so the mapper can merge all thread trackers and emit job-level percentiles.

- ## Uses of LatencyTracker in org.apache.nutch.metrics

  Methods in org.apache.nutch.metrics with parameters of type LatencyTracker
  Modifier and Type
  Method
  Description
  `void`
  LatencyTracker.`merge(LatencyTracker other)`
  Merges another LatencyTracker's digest and aggregates count/sum into this one.