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Microsoft Certified: Fabric Data Analytics Engineer Associate · Microsoft
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In Microsoft Fabric, High Concurrency Mode allows multiple notebooks to share the same Spark session. This helps by: Reusing Spark sessions Reducing startup time Sharing compute resources across notebooks Allowing Notebook2 to attach to the session already used by Notebook1 Therefore, to enable session sharing between notebooks, you must: Enable high concurrency for notebooks
2 notebooks attached to same session -> High Concurrency
High Concurrency Mode allows multiple notebooks to share a single Apache Spark session, improving performance, reducing costs, and speeding up execution.