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sharded-topology / reshard-planner

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Plan and sequence Vitess resharding offline. Key-range algebra, minimal Reshard workflow computation from source/target layouts, VSchema and topology preflight, VReplication duration estimates, and a step-by-step operator runbook with verification and rollback for every step. Dry-runs plans in CI.

mysql python cli devops capacity-planning sharding sre keyspace vitess runbook resharding dry-run database-operations shard-split vschema vreplication vindex vtctldclient vdiff
  • Updated Jul 20, 2026
  • Python

sharded-topology / online-ddl-orchestrator

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Coordinate Vitess Online DDL across every shard of a keyspace. Submits with --postpone-completion, holds a global cutover barrier until all shards report ready and none is lagging, then completes them together — turning per-shard schema skew into zero. Live progress, throttle guard, revert, resumable journal, and a deterministic cluster simulator.

mysql python cli devops zero-downtime database-migrations ddl sharding sre vitess schema-migration rich-cli online-ddl cutover database-tooling vreplication vtctldclient
  • Updated Jul 20, 2026
  • Python

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