Module migration

Expand description

Storage migration utilities

This module provides utilities for migrating data between different storage backends, enabling seamless transitions in production deployments.

It also provides the StorageMigrationFramework for schema-level version upgrades.

Structs§

BlockMigrationStats: Migration statistics for backend-to-backend block migrations
MigrationConfig: Migration configuration
MigrationEstimate: Estimate migration time and space requirements
MigrationPlan: An ordered sequence of MigrationSteps needed to reach a target version.
MigrationRecord: A historical record of a single migration step execution.
MigrationRunner: Executes migration plans and tracks history.
MigrationStats: Atomic counters tracking migration activity across the lifetime of a MigrationRunner.
MigrationStatsSnapshot: A snapshot of MigrationStats with plain u64 values for easy inspection.
MigrationStep: A single migration step from one schema version to another.
SchemaVersion: Schema version newtype.
StorageMigrator: Storage migrator

estimate_migration: Estimate migration requirements
migrate_storage: Helper function to migrate between stores
migrate_storage_batched: Migrate with custom batch size for optimal performance
migrate_storage_verified: Migrate with verification enabled (slower but safer)
migrate_storage_with_progress: Helper function to migrate with progress reporting
validate_migration: Migration validation - verify both stores have identical content