example to show the difference between "sum by" and "sum without" (#3558)

2017-12-08 13:43:23 +00:00 · 2017-12-08 13:43:23 +00:00 · 08ee713c82
parent b4bd91958a
commit 08ee713c82
1 changed files with 4 additions and 0 deletions
--- a/docs/querying/operators.md
+++ b/docs/querying/operators.md
@ -218,6 +218,10 @@ number of seen HTTP requests per application and group over all instances via:

    sum(http_requests_total) without (instance)

+Which is equivalent to:
+ 
+     sum(http_requests_total) by (application, group)
+
 If we are just interested in the total of HTTP requests we have seen in **all**
 applications, we could simply write: