From f031f489411160b69ab9b86654ebe895eccd63c6 Mon Sep 17 00:00:00 2001 From: Alexander Zobnin Date: Mon, 26 Jun 2017 11:33:44 +0300 Subject: [PATCH] Add docs for rate() and update delta() docs. --- docs/sources/reference/functions.md | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/docs/sources/reference/functions.md b/docs/sources/reference/functions.md index bde49f7..17e800a 100644 --- a/docs/sources/reference/functions.md +++ b/docs/sources/reference/functions.md @@ -34,8 +34,15 @@ scale(0.01) ``` delta() ``` -Convert absolute values to delta, for example, bits to bits/sec. +Converts absolute values to delta. This function just calculate difference between values. For the per-second +calculation use `rate()`. +### rate +``` +rate() +``` +Calculates the per-second rate of increase of the time series. Resistant to counter reset. Suitable for converting of +growing counters into the per-sercond rate. Aggregate ---------