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Data Loader Batch Window Sizing

Category: General  ·  Sub-category: general-misc  ·  Last updated:
Choose the right batch size, parallel/serial mode, and load window for Data Loader, Bulk API V1/V2, and custom Database.executeBatch jobs against a given object volume and complexity profile. Covers tradeoffs between batch size, trigger CPU cost, sharing recalculation cost, and row-skew lock contention. NOT for CSV column mapping (see data/data-loader-csv-column-mapping). NOT for picklist validation pre-load (see data/data-loader-picklist-validation-pre-load). NOT for sharing-recalc tuning after the load lands (see data/sharing-recalculation-performance).

From the source SKILL.md

Activate this skill when planning a high-volume insert, update, or upsert through Data Loader, Bulk API V1, Bulk API V2, REST Composite, or a custom Database.executeBatch job — and someone needs to pick a defensible batch size and mode before kicking off the load. The wrong batch size on a complex object turns a 30-minute job into a 14-hour job, fills the org's API call budget, and produces a multi-hour sharing-rule recalculation that nobody scheduled.

What this skill does

Data Loader Batch Window Sizing is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/data-loader-batch-window-sizing/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Data Loader Batch Window Sizing Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/data-loader-batch-window-sizing
curl -L https://claudskills.com/skills/data-loader-batch-window-sizing/SKILL.md \
  -o ~/.claude/skills/data-loader-batch-window-sizing/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/data-loader-batch-window-sizing/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/data-loader-batch-window-sizing/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\data-loader-batch-window-sizing\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

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Browse all General skills in the ClaudSkills registry, or explore these other picks from the same category:

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Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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