Optimize utils for large datasets

**Description**
Currently validation lacks proper retry support.

**Proposed solution**
Add configurable retry with sensible defaults.

**Priority**: Low/Medium

Start by locating the validation utilities and any existing retry or error-handling paths in the repository. Clarify which operations should retry, how configuration is exposed, and what the sensible defaults are; done means validation supports configurable retries with documented default behavior.

Written by the indexing model from the issue text.