Apache
/
druid
mirror of https://github.com/apache/druid.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

update aggregations.md re: rollup (#4455) 

noted that rollup could be on or off
This commit is contained in:
jeffhartley 2017-06-23 14:28:59 -07:00 committed by Fangjin Yang
parent 61c38b66ad
commit 3e7f7720a1
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
docs/content/querying/aggregations.md
View File

@ -17,7 +17,7 @@ Available aggregations are:
``` ```
Please note the count aggregator counts the number of Druid rows, which does not always reflect the number of raw events ingested. Please note the count aggregator counts the number of Druid rows, which does not always reflect the number of raw events ingested.
This is because Druid rolls up data at ingestion time. To This is because Druid can be configured to roll up data at ingestion time. To
count the number of ingested rows of data, include a count aggregator at ingestion time, and a longSum aggregator at count the number of ingested rows of data, include a count aggregator at ingestion time, and a longSum aggregator at
query time. query time.