Ravi Sir's Cards › AWS
Scan ocean or Query?
This comparison card contrasts Scan ocean or Query. Raw only is described as dashboards Scan endless raw points. Rollup items is described as query ROLLUP#hour aggregate items. The card pairs Raw only with avoid Scan, and Rollup items with prefer rollups.
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What this card says
Scan ocean or Query?
Raw only
Dashboards Scan endless raw points.
Rollup items
Query ROLLUP#hour aggregate items.
Key points
PK device SK ts only.
ROLLUP#yyyyMMddHH with count/sum.
Example
Fleet GPS without rollups.
Use when
Avoid Scan.
Prefer rollups.