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Answer: Write to Cloud Spanner using Cloud Client Libraries.
To optimize performance when writing to Cloud Spanner from a Go application, Google recommends using the **Cloud Client Libraries** (Option A). These libraries are purpose-built for Google Cloud services, provide idiomatic interfaces, and handle performance optimizations like connection management, retries, and batching. - **Option B (Google API Client Libraries)** is not ideal, as these are older, auto-generated libraries with less intuitive interfaces and fewer optimizations for Cloud Spanner. - **Option C (custom gRPC client)** and **Option D (third-party HTTP client)** are discouraged because they bypass Google's officially supported and tested libraries, potentially introducing inefficiencies or compatibility issues.
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How can you optimize the performance of a Go application writing to a Cloud Spanner database by following Google's recommended best practices?
A
Write to Cloud Spanner using Cloud Client Libraries.
B
Write to Cloud Spanner using Google API Client Libraries
C
Write to Cloud Spanner using a custom gRPC client library.
D
Write to Cloud Spanner using a third-party HTTP client library.