powerbi-performance-refresh-optimizer

Diagnose and optimize Power BI DAX performance, Power Query folding, refresh reliability, incremental refresh, gateway behavior, schema drift, API pagination, model size, and slow visuals.

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Repository: rweisssieker-xp/PowerBi-Codex-Plugin
Last source activity: May 2, 2026 at 12:49
Detected SKILL.md language: English
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Forks: 0

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name	powerbi-performance-refresh-optimizer
description	Diagnose and optimize Power BI DAX performance, Power Query folding, refresh reliability, incremental refresh, gateway behavior, schema drift, API pagination, model size, and slow visuals.

Power BI Performance and Refresh Optimizer

Use this skill for slow reports, failed refreshes, expensive DAX, non-folding Power Query, gateway bottlenecks, large models, and unstable APIs.

Review Areas

DAX: expensive iterators, context transition, high-cardinality filters, repeated expressions, poor time intelligence.
Model: relationships, cardinality, unused columns, auto date/time, aggregation opportunities, calculation groups.
Power Query: folding, type conversion order, custom functions, joins, buffering, incremental refresh boundaries.
Refresh: gateway, credentials, privacy levels, API pagination, throttling, schema drift, timeout handling.
Capacity: memory, CPU, visual query load, dataset size, refresh concurrency.

Output Requirements

Separate quick wins, structural fixes, and architecture changes.
Include expected impact, risk, and verification method.

Assets

assets/performance-refresh-checklist.md: optimizer checklist.

powerbi-performance-refresh-optimizer

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More from this repository

More from this repository

Power BI Performance and Refresh Optimizer

Review Areas

Output Requirements

Assets

Power BI Performance and Refresh Optimizer

Review Areas

Output Requirements

Assets