A company named Fabricam, Inc, has a web app hosted in Microsoft Azure. Millions of users visit the app daily.
All of the user visits are logged in Azure Blob storage. Data analysts at Fabrikam built a dashboard that processes the user visit logs.
Fabrikam plans to use an Apache Hadoop cluster on Azure HDInsight to process queries. The queries will access the data only once.
You need to recommend a query execution strategy.
What is the best to recommend using to achieve the goal?
More than one answer choice may achieve the goal. Select the BEST answer.
A. Load the text files to ORC files, and then run dashboard queries on the ORC files.
B. Load the text files to sequence files, and then run dashboard queries on the sequence files.
C. Run the queries on the text files directly.
D. Load the text files to parquet files, and then run dashboard queries on the parquet files.
