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analyzing-schema-change-storage-risk

Estimates storage requirements for CockroachDB online schema change backfills using SHOW RANGES WITH DETAILS, KEYS, INDEXES.

Skill by cockroachdb

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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/fozagtx-analyzing-schema-change-storage-risk

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Estimates storage requirements for CockroachDB online schema change backfills using SHOW RANGES WITH DETAILS, KEYS, INDEXES. Use before CREATE INDEX, ADD COLUMN with INDEX/UNIQUE, ALTER PRIMARY KEY, CREATE MATERIALIZED VIEW, CREATE TABLE AS, REFRESH, or SET LOCALITY on tables with large per-index footprints, to avoid mid-backfill disk exhaustion.

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/analyzing-schema-change-storage-risk

What's inside

Skill name
analyzing-schema-change-storage-risk
Description
Estimates storage requirements for CockroachDB online schema change backfills using SHOW RANGES WITH DETAILS, KEYS, INDEXES. Use before CREATE INDEX, ADD COLUMN with INDEX/UNIQUE, ALTER PRIMARY KEY, CREATE MATERIALIZED VIEW, CREATE TABLE AS, REFRESH, or SET LOCALITY on tables with large per-index footprints, to avoid mid-backfill disk exhaustion.
License
unknown
Compatibility
Requires SQL access. SHOW RANGES WITH DETAILS computes span_stats on demand and is expensive on tables with many ranges; target specific tables. Mirrors official guidance at https://www.cockroachlabs.com/docs/stable/online-schema-changes#estimate-your-storage-capacity-before-performing-online-schema-changes.
Metadata
author: cockroachdb · version: 2.0
Instructions
148 lines in SKILL.md · view on GitHub

Before installing

  • Instructions call the network

Files (2)

  • SKILL.md
  • permissions.md · references/

The license isn't open source, so the instructions aren't shown here. Read SKILL.md on GitHub

More from fozagtx/BuildOS-workflow

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Last commit (this folder)
Oct 7, 2026 (21 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Version
2.0
License
License unknown
Repository
github.com/fozagtx/BuildOS-workflow
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

More from cockroachdb

Cite this page

analyzing-schema-change-storage-risk skill. Agent Mart. https://agentmart.dev/skills/fozagtx-analyzing-schema-change-storage-risk (last updated 2026-10-24)