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Does Cognite copies all data from data sources to staging area?If yes, is there any limitation of datapoints/ size of data? Does size of data, affects the performance of CDF or any other functionalities?
I am trying to create a time series subscription and receiving the error below:"Must have access to WRITE time series subscription.My question is, if the subscription is a listener, why does it need WRITE access?
Hi! I have a question about the data modelling in Cognite Data Fusion.We record data from thousands of sensors from a factory. Today we record them as time series in CDF and organized in the asset hierarchy by manually constructing the relationships.I heared the data modelling toolkit is meant to replace asset hierarchies approach in future. Could you please elaborate a bit on how Cognite would suggest to approach our use case, if we started from scratch today.Thanks!
I am trying to establish Parent-Child relationships between two types of events ingested and transformed in CDF which are Workorders and Maintenance Notifications. I have two different datasets for each where the Raw data is staged and have also given corresponding labels (Work_order, Notification) for dataset and later these workorders and Maintenance notifications are linked to Assets in CDF using transformations. Now I need to establish the relationship between the workorders and Maintenance notifications. Although I went through the Documentation for relationship ( Relationships | Cognite Documentation) not able to get the hold of it. Any reference SQL for how relationships are established would also do.
Using transformations to create/update data can be cumbersome especially for complex FDM models. I understand there are plans to generate APIs from models, but are there any alternatives in the short term, such as implementing GraphQL mutations? Are the APIs used by transformations internal to CDF?
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