Troubleshoot and optimize Delta Lake and Apache Spark performance in Microsoft Fabric. Use when diagnosing slow Spark jobs, small file problems, data skew, shuffle bottlenecks, out-of-memory errors, V-Order tuning, OPTIMIZE/VACUUM operations, partition strategy, resource profile selection (writeHeavy, readHeavyForSpark, readHeavyForPBI), autotune configuration, Native Execution Engine, broadcast joins, AQE (Adaptive Query Execution), or when Spark notebooks or Spark Job Definitions run slower than expected in Fabric Lakehouse workloads.
How to install fabric-delta-spark-perf?
patrickgallucci/fabric-skills/fabric-delta-spark-perf
$npx -y skills add patrickgallucci/fabric-skills --skill fabric-delta-spark-perfInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/patrickgallucci/fabric-skills" --skill "patrickgallucci/fabric-skills/fabric-delta-spark-perf"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/patrickgallucci/fabric-skills" that are relevant to the current task. Run `npx skills add "https://github.com/patrickgallucci/fabric-skills"` and select the relevant skills, then follow their instructions.
Related
6 picksType
- gpt-image-2Create or edit images with Pilio GPT Image 2 through the unified Pilio developer API.Jul 2026
- spec-driven-implementationDrive a spec-first workflow for substantial features by writing PRODUCT.md before implementation, writing TECH.md when warranted, and keeping both specs…Jul 2026
- review-prReview a pull request diff and write structured feedback to review.json for the workflow to publish.Jul 2026
- write-product-specWrite a PRODUCT.md spec for a significant user-facing feature in Warp, focused on detailed behavior and validation.Jul 2026
- write-tech-specWrite a TECH.md spec for a significant Warp feature after researching the current codebase and implementation constraints.Jul 2026
- fix-errorsFix compilation errors, linting issues, and test failures in the warp Rust codebase. Covers presubmit checks, WASM-specific errors, and running specific tests.Jul 2026
