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Asked: 2026-06-14T22:13:35+00:00

Hello again everybody, I would like to execute stored procedures in parallel in SQL

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Hello again everybody,

I would like to execute stored procedures in parallel in SQL Server 2008. I will not be using any external tool(SSIS, CLR). I decided to take the approach mentioned in rusanu’s blog and tried to go with Service broker.

Now to the parallel execution – I have set MAX_QUEUE_READERS to 5 and tried to execute several long running procedures. I have noticed, they were still executed serially. I would assume that they are in different conversations thus activation should occur several times.
Please correct me if I am assuming wrongly.

Thanks for explanation.

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1 Answer

  1. Editorial Team

    The activation launches one new thread every 5 seconds at most, if and only if during those 5 seconds there are RECIEVEs that hit bottom of queue (returned empty result set). So to achieve 5 threads you would need to wait for 20 seconds to start with, and during those 20 seconds you should have enough messages that no thread ever hits an idle state.

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