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Guides understanding and using the Gradle build system in Apache Beam. Use when building projects, understanding dependencies, or troubleshooting build issues.

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Guides the contribution workflow for Apache Beam, including creating PRs, issue management, code review process, release cycles, and rigorous evaluation rules for high-risk core component changes. Use when contributing code, creating PRs, or modifying core Beam components.

日本語の概要は準備中です。原文の説明を表示しています。

Interactive Apache Hudi table design advisor. Turns workload requirements into architecture guidance and an Architecture Decision Record through a tiered conversational flow, with configuration bundles on implemented executable routes. Invoke when a user wants help designing a new Hudi table or evaluating an existing design.

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Migrates a Java project from FastExcel 1.3 (cn.idev.excel:fastexcel:1.3.0) to Apache Fesod (org.apache.fesod:fesod-sheet:2.0.1-incubating). Invoke this skill when asked to "migrate FastExcel to Fesod", "upgrade to Apache Fesod", or "replace cn.idev.excel". FastExcel 1.3 is the direct predecessor of Apache Fesod. Supports both legacy namespaces seen in real projects: cn.idev.excel.* and org.apache.fesod.excel.*. The entry classes FastExcel and FastExcelFactory are kept as @Deprecated aliases in Fesod, so call-site renames are strongly recommended but NOT required for compilation. The only breaking change is the Java package prefix.

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Review Apache Pinot change scope and process when assessing PR descriptions, reverts, retries, or compatibility notes.

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Start and verify a local Pinot quickstart using the modes supported by the current checkout.

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Investigate intermittent Pinot test failures in GitHub Actions and report evidence and likely causes.

日本語の概要は準備中です。原文の説明を表示しています。

Review Apache Pinot naming and API conventions when public names, signatures, or documentation change.

日本語の概要は準備中です。原文の説明を表示しています。

Review Apache Pinot performance when hot paths change or a PR makes benchmark or efficiency claims.

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Review Apache Pinot regression coverage and test quality when behavior or tests change.

日本語の概要は準備中です。原文の説明を表示しています。

Run a named Pinot test class or method in its owning Maven module.

日本語の概要は準備中です。原文の説明を表示しています。

Compare baseline and current Pinot JMH benchmark results using an isolated baseline worktree.

日本語の概要は準備中です。原文の説明を表示しています。

Review Apache Pinot architecture when module dependencies, SPI boundaries, abstractions, or class placement change.

日本語の概要は準備中です。原文の説明を表示しています。

Review Apache Pinot correctness when null handling, numeric types, dispatch, or resource lifecycles change.

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Validate and fix Pinot pre-commit checks on affected modules before a commit or PR.

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Review Apache Pinot compatibility when configs, public APIs, SPI contracts, or serialized formats change.

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Review Apache Pinot concurrency and state safety when locks, shared callbacks, lifecycle, or distributed metadata change.

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Execute and verify Apache OpenDAL release-manager work, including weekly ATR candidates, RC tagging, required GitHub Actions checks, ASF SVN dist uploads, Nexus staging close/release, vote discussions, language package readiness, GitHub release, announcements, and release postmortems.

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Taking a multi-PR feature from "shape unknown" to merged without five review rounds per PR: spike until interfaces stop moving, write the contract, cut PRs along contract seams, one review per PR. Use when starting a feature that touches more than one lifecycle object or public interface, when a PR review keeps changing interfaces, or when splitting a large branch.

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Condensed tika-eval pattern for charset-detector regression hunts ("A picks encoding X, B picks Y") using one build and two configs — encoding-pair flip queries, OOV/languageness/FFFD signals, per-file detector attribution.

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Run Apache Tika as a Docker container when you need guaranteed OCR (scanned PDFs, images) or geospatial raster support with zero local install — `apache/tika:<version>-full` bundles Tesseract, GDAL, ImageMagick, and fonts. Also covers the minimal image, port/volume/memory conventions, the path-identity mount gotcha, and how to confirm OCR actually ran rather than silently returning no text. Powered by Apache Tika. Use when a local `tika-app`/`tika-server` doesn't have Tesseract installed, or you want a disposable, self-contained parsing environment. Companion to the `file-to-markdown` skill, which covers the parsing calls themselves once a server is up.

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Review of a PR, branch, or your own uncommitted work across eight dimensions — security, correctness, test coverage, API/compatibility, usability, documentation, code quality, performance. Sizes the diff, reviews inline or fans out reviewers off a shared brief, verifies findings against code, reports a grouped list with a shape verdict, fixes on approval. Use for "review this PR", "/pr-review 3011", or a pre-flight self-review before submitting; add "thorough" for adversarial verification.

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Turn almost any file into Markdown plus metadata — PDF, Office, HTML, email, archives, images, audio/video, 1000+ formats — powered by Apache Tika, either via the tika-app CLI (zero setup, one file) or a running tika-server (curl, warm process, many calls). Leads with rmeta (structured, embedded-item-aware output) as the default operation rather than flat concatenated text, since you can't tell whether a file has embedded content from its extension. Covers metadata-only triage, type and language detection, OCR, and output-size discipline for agent context. Use whenever a task involves reading the content of a file whose format you don't want to hand-parse.

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Update/publish the Apache Tika website (tika-site SVN repo) for a release — step 17 of the Release Process. Handles the 4.x track (Changes page + aggregate javadoc + Antora docs branch) vs the 3.x maintenance track (full per-version apt docs + javadoc). Use for "update the site", "publish the site for X.Y.Z", "the website part of the release".

日本語の概要は準備中です。原文の説明を表示しています。