December 2017
Intermediate to advanced
434 pages
10h 29m
English
Content preview from Learning Elastic Stack 6.0
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Understanding the final stored data
By combining the data that is coming from the client side and contains the sensor's metric value for a given metric at a given time, we can construct an enriched record of the following fields:
- sensorId
- sensorType
- customer
- department
- buildingName
- room
- floor
- locationOnFloor
- latitude
- longitude
- time
- reading
Fields number 1, 11, and 12 are present in the payload sent by the sensor to our application. The remaining fields are looked up or enriched using the SQL query that we saw in the previous section—using the sensorId. This way, we can generate a denormalized sensor reading record for every sensor for every minute.
We have understood what the application is about and what the data represents. As we start ...
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