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Bartosz Wieczorek

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Atomic Habits in writing high performing distributed code in the cloudJDD 20242024-10-22
Pipeline processes 300–600 GB every 30 minutes (peaks at ~100 nodes) and a project table holds 127B rows; switching VM family to T2D machines yields ~45% cost…
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Atomics Habits in cost optimizations in the cloudGeeCON 20242024-05-15
Saved 45% on cloud bills—about $900,000/year for one GCP project—by combining measurable steps: build a cost dashboard with labels to attribute spend, choose…
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Large-Scale Distributed Processing in Google Cloud - 7 lessons...GeeCON 20232023-04-19
Shows concrete fixes for GCP Apache Beam/Dataflow pipelines: replacing expensive per-record CPU work boosts throughput from ~6k/s to ~47k/s and cuts estimated…
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