New Relic

APMとかを提供しているSaaS

Histograms: View data distribution | New Relic Documentation

Web Transactionのヒストグラムはアプリ単体のレスポンスタイム

For example: a New Relic APM metric timeslice for time spent in a particular transaction is named WebTransaction/URI/foo, and might have a response time of 0.793 for a one-minute time slice from 10:20am to 10:21am.

https://docs.newrelic.com/docs/using-new-relic/data/understand-data/new-relic-data-types#event-data