Digging Into The SQL Compute Context With R Services

Niels Berglund dives into how the SQL Compute Context works with R Services:

In the code above we use the RxInSqlServer() function to indicate we want to execute in a SQL context. The connectionString property defines where we execute, and the numTasks property sets the number of tasks (processes) to run for each computation, in Code Snippet 4 it is set to 1 which from a processing perspective should match what we do in Code Snippet 3. Before we execute the code in Code Snippet 4 we do what we did before we ran the code in Code Snippet 3:

• Run Process Explorer as admin.
• Navigate to the devenv.exe process in Process Explorer.
• In addition, also look at the Launchpad.exe process in Process Explorer.

When we execute we see that the BxlServer.exe processes under the Microsoft.R.Host.exe processes are idling, but when we look at the Launchpad.exe process we see this:

This is a bit deep but interesting reading.