How to Configure a Databricks Cluster to Process 10 TB of Data Efficiently

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How to Configure a Databricks Cluster to Process 10 TB of Data Efficiently 🚀 Sizing a Databricks Cluster for 10 TB: A Step-by-Step Optimization Guide Processing 10 TB of data in Databricks may sound intimidating, but with a smart cluster sizing strategy, it can be both fast and cost-effective . In this post, we’ll walk through how to determine the right number of partitions, nodes, executors, and memory to optimize Spark performance for large-scale workloads. 📌 Step 1: Estimate the Number of Partitions To unlock Spark’s parallelism, data must be split into manageable partitions . Data Volume: 10 TB = 10,240 GB Target Partition Size: ~128 MB (0.128 GB) Formula: 10,240 / 0.128 = ~80,000 partitions 💡 Tip: Use file formats like Parquet or Delta Lake to ensure partitions are splittable. 📌 Step 2: Determine Number of Nodes Assuming each node handles 100–200 partitions effectively: Without overhead: 80,000 / 100–200 = 400 to 800...
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I’m a Data Engineer with 3 years of experience, focused on building efficient data systems and solutions that support data-driven insights and decision-making. Passionate about technology, I strive to continually enhance my skills and contribute to impactful data initiatives.

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