Advanced Topics

This section dives deeper into resilience, failure handling, and direct access to YDB services. Use it when you need precise control over execution behavior, recovery, and performance.

Retries & Idempotency

• Explains which error codes are retryable and when retries are safe.
• Shows how .idempotent(true) affects single‑call retries and how to design idempotent business logic in transactions.
• Covers retry strategy considerations for Topic streaming.
• See: /advanced/retries.

Error Handling

• Describes SDK error types (e.g., YDBError, CommitError) and how to distinguish them.
• Demonstrates structured error logging and extracting issues for diagnostics.
• Provides patterns for handling aborts and timeouts consistently.
• See: /advanced/errors.

Low‑level Clients (driver)

• How to create gRPC clients via driver.createClient(ServiceDefinition).
• When and why to use low‑level services (Discovery, Scheme, etc.).
• Auth, TLS/mTLS considerations for service clients.
• See: /advanced/driver-low-level.