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Cloud Computing · Intermediate

Bigtable

Google Cloud fully managed wide-column NoSQL database for large-scale, low-latency analytical and operational workloads.

Definition

Bigtable handles petabytes of data with consistent single-digit millisecond latency and high throughput, ideal for time series, IoT, financial and ad-tech data. It is compatible with the Apache HBase API, scales by adding nodes, and performance depends heavily on row key design to avoid hotspots.

Example

An IoT platform stores billions of sensor readings in Bigtable with row keys of deviceId#reverseTimestamp.

Exam tip

Bigtable is not for multi-row transactions or SQL joins; poor sequential row keys cause hotspotting.

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