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Batch-Verarbeitungsoptimierer

Optimiert Stapelverarbeitungs-Workloads mit Spark, Polars, DuckDB und pandas – Fokus auf Speichereffizienz, Parallelität und Kostensenkung. Aktivieren bei: Stapelverarbeitung, Spark-Optimierung, Polars, DuckDB, pandas-Performance, Data Frame, Shuffle, Partitionierung, Speicheroptimierung. Nicht für: Streaming-Pipelines (Benutze streaming-pipeline-architect), Warehouse-Abfragen (Benutze data-warehouse-optimizer).

Was ist Batch-Verarbeitungsoptimierer?

Der Batch-Verarbeitungsoptimierer ist ein KI-Agenten-Skill, der speziell für die Optimierung von Stapelverarbeitungs-Workloads mit Apache Spark, Polars, DuckDB und pandas entwickelt wurde. Er unterstützt Entwickler und Dateningenieure dabei, die richtige Technologie für ihre Datengröße auszuwählen – von DuckDB für Single-Node-Analysen unter 10 GB über Polars für DataFrames bis hin zu Spark für verteilte Verarbeitung ab 100 GB. Der Skill enthält Architekturmuster, Code-Beispiele und eine Entscheidungsmatrix, die Speichereffizienz, Parallelität und Kostensenkung in den Vordergrund stellen. Er warnt vor Anti-Patterns wie dem Sammeln großer DataFrames im Treiber (`collect()`) oder der Verwendung von pandas bei über 5 GB Daten und bietet eine Qualitäts-Checkliste für die Produktion. Aktiviert wird der Skill typischerweise durch Stichworte wie "batch processing", "Spark optimization", "memory optimization" oder "partition skew". Er ist nicht für Echtzeit-Streaming, Warehouse-SQL-Tuning oder Pipeline-Orchestrierung geeignet.

Funktioniert mit~Claude Code~Codex CLI~Cursor
npx skills add https://github.com/curiositech/windags-skills/tree/HEAD/skills/batch-processing-optimizer

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Dokumentation

Was macht Batch-Verarbeitungsoptimierer?

Optimieren Sie Stapelverarbeitungs-Workloads mit Spark, Polars, DuckDB und pandas – mit Fokus auf Speichereffizienz, Parallelität und Kostensenkung.

Aktivierungsauslöser

Aktivieren bei: "batch processing", "Spark optimization", "Polars", "DuckDB", "pandas performance", "data frame", "shuffle optimization", "partition skew", "memory optimization", "out of memory"

Nicht für: Echtzeit-Streaming → streaming-pipeline-architect | Warehouse-SQL-Tuning → data-warehouse-optimizer | Pipeline-Orchestrierung → airflow-dag-orchestrator

Schnellstart

  1. Wählen Sie das richtige Werkzeug – DuckDB für Single-Node-Analysen, Polars für DataFrames, Spark für verteilte Verarbeitung
  2. Profilieren Sie zuerst – Identifizieren Sie Engpässe (Shuffle, Skew, Speicher) vor der Optimierung
  3. Reduzieren Sie Daten frühzeitig – Filtern und wählen Sie Spalten so früh wie möglich in der Pipeline
  4. Vermeiden Sie Shuffles – Broadcasten Sie kleine Tabellen, partitionieren Sie Daten vorab, nutzen Sie Map-Side-Joins
  5. Dimensionieren Sie Ressourcen richtig – Passen Sie Executor-Speicher/Kerne an die tatsächliche Datengröße an

Kernfähigkeiten

BereichTechnologien
VerteiltApache Spark 3.5+, Dask, Ray
EinzelknotenDuckDB 1.1+, Polars 1.x, pandas 2.2+
DateiformateParquet, Arrow IPC, Delta Lake, Iceberg
OptimierungAQE (Spark), Lazy Evaluation (Polars), spaltenweise Scans
CloudDatabricks, EMR, Dataproc, serverless Spark

Architekturmuster

Entscheidungsbaum zur Werkzeugauswahl

Datengröße?
  ├─ < 10 GB     → DuckDB (SQL) oder Polars (DataFrame)
  │                 Einzelner Rechner, keine Einrichtung, schnellste Iteration
  │
  ├─ 10-100 GB   → Polars (lazy) oder DuckDB (Out-of-Core)
  │                 Immer noch ein einzelner Rechner mit Spill-to-Disk
  │
  └─ > 100 GB    → Spark (verteilt)
                    Mehrknoten-Cluster, Shuffle-basierte Joins

Komplexität?
  ├─ SQL-zentriert  → DuckDB (schnellste SQL-Engine für Analysen)
  ├─ DataFrame      → Polars (10x schneller als pandas, Lazy Evaluation)
  └─ Komplexes ML   → Spark + MLlib oder Spark + Ray

Spark-Optimierungsmuster

from pyspark.sql import SparkSession
import pyspark.sql.functions as F

spark = SparkSession.builder \
    .config("spark.sql.adaptive.enabled", "true") \
    .config("spark.sql.adaptive.coalescePartitions.enabled", "true") \
    .config("spark.sql.adaptive.skewJoin.enabled", "true") \
    .getOrCreate()

# GUT: kleine Dimensionstabelle broadcasten (< 100MB)
from pyspark.sql.functions import broadcast
result = large_df.join(broadcast(small_dim_df), "key")

# GUT: Prädikat-Pushdown – vor dem Join filtern
orders = spark.read.parquet("s3://data/orders/") \
    .filter(F.col("order_date") >= "2026-01-01") \
    .select("order_id", "customer_id", "amount")  # Spaltenauswahl

# SCHLECHT: collect() auf großen Datensätzen – verursacht OOM auf dem Treiber
# all_data = large_df.collect()  # NIEMALS so machen

# GUT: partitionierte Ausgabe schreiben
result.repartition(200) \
    .write.mode("overwrite") \
    .partitionBy("order_date") \
    .parquet("s3://output/results/")

Polars Lazy Evaluation

import polars as pl

# Lazy-Modus: erstellt Abfrageplan, optimiert, führt dann aus
result = (
    pl.scan_parquet("data/orders/*.parquet")  # Lazy Scan
    .filter(pl.col("order_date") >= "2026-01-01")
    .join(
        pl.scan_parquet("data/customers/*.parquet"),
        on="customer_id",
        how="inner"
    )
    .group_by("region")
    .agg([
        pl.col("amount").sum().alias("total_revenue"),
        pl.col("order_id").n_unique().alias("order_count"),
    ])
    .sort("total_revenue", descending=True)
    .collect()  # führt optimierten Plan aus
)

# Polars optimiert: Prädikat-Pushdown, Projektions-Pushdown,
# Join-Neuordnung – alles automatisch durch Lazy Evaluation

Anti-Patterns

  1. pandas für >5GB – pandas lädt alles in den Speicher; verwenden Sie Polars (lazy) oder DuckDB für mittlere Daten, Spark für große
  2. Collect zum Treiber – df.collect() oder df.toPandas() auf großen Spark-DataFrames verursacht OOM; aggregieren Sie zuerst
  3. Partitions-Skew ignorieren – eine Partition mit 10x mehr Daten als andere bremst den gesamten Job aus; verwenden Sie AQE oder Salting
  4. Alle Spalten lesen – wählen Sie immer nur benötigte Spalten aus; das Parquet-Spaltenformat überspringt ungenutzte Spalten vollständig
  5. Zu kleine Ausgabedateien – zu viele kleine Ausgabedateien (< 128MB) verlangsamen nachgelagerte Lesevorgänge; führen Sie vor dem Schreiben ein Coalesce durch

Qualitäts-Checkliste

  • Werkzeug passt zur Datengröße (DuckDB/Polars < 100GB, Spark > 100GB)
  • Spalten frühzeitig reduziert (nur benötigte auswählen)
  • Filter auf Scan-Ebene durchgeschleust (Prädikat-Pushdown)
  • Kleine Tabellen in Joins gebroadcastet (< 100MB)
  • Spark AQE aktiviert (Adaptive Query Execution)
  • Kein collect() auf großen Datensätzen (vor dem Collect aggregieren)
  • Ausgabedateien 128MB-1GB groß (Coalesce/Repartition vor dem Schreiben)
  • Partitions-Skew überwacht und gemildert (Salting oder AQE)
  • Job profiliert: Spark UI Stages, Polars .explain(), DuckDB EXPLAIN ANALYZE
  • Speicher angemessen dimensioniert: Executor-Speicher >= 2x größte Partition

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

curiositech/windags-skills

Expert in 2000s-era music visualization (Milkdrop, AVS, Geiss) and modern WebGL implementations. Specializes in Butterchurn integration, Web Audio API AnalyserNode FFT data, GLSL shaders for audio-reactive visuals, and psychedelic generative art. Activate on "Milkdrop", "music visualization", "WebGL visualizer", "Butterchurn", "audio reactive", "FFT visualization", "spectrum analyzer". NOT for simple bar charts/waveforms (use basic canvas), video editing, or non-audio visuals.

curiositech/windags-skills

Expert legal research agent for finding and scraping expungement data state by state. Knows authoritative sources, URL patterns, Firecrawl configuration, and 2026 legal landscape.

curiositech/windags-skills

Expert in 3D computer vision labeling tools, workflows, and AI-assisted annotation for LiDAR, point clouds, and sensor fusion. Covers SAM4D/Point-SAM, human-in-the-loop architectures, and vertical-specific training strategies. Activate on '3D labeling', 'point cloud annotation', 'LiDAR labeling', 'SAM 3D', 'SAM4D', 'sensor fusion annotation', '3D bounding box', 'semantic segmentation point cloud'. NOT for 2D image labeling (use clip-aware-embeddings), general ML training (use ml-engineer), video annotation without 3D (use computer-vision-pipeline), or VLM prompt engineering (use prompt-engineer).

curiositech/windags-skills

Implement WCAG 2.2 AA/AAA compliance with automated testing, keyboard navigation, screen reader support, and focus management. Activate on: accessibility audit, WCAG compliance, keyboard navigation, screen reader, aria attributes, axe-core, focus trap. NOT for: design-level accessibility review (use design-accessibility-auditor), color contrast only (use css-in-js-architect).

curiositech/windags-skills

Time-blind friendly planning, executive function support, and daily structure for ADHD brains. Specializes in realistic time estimation, dopamine-aware task design, and building systems that actually work for neurodivergent minds.

curiositech/windags-skills

Designs digital experiences for ADHD brains using neuroscience research and UX principles. Expert in reducing cognitive load, time blindness solutions, dopamine-driven engagement, and compassionate design patterns. Activate on 'ADHD design', 'cognitive load', 'accessibility', 'neurodivergent UX', 'time blindness', 'dopamine-driven', 'executive function'. NOT for general accessibility (WCAG only), neurotypical UX design, or simple UI styling without ADHD context.

curiositech/windags-skills

>- Apply crisis decision-making research to agent routing, uncertainty triage, and coordination failure analysis in time-pressured systems. Use when diagnosing handoff failures, analytical paralysis, or expert judgment under incomplete information. NOT for routine coding, simple CRUD design, or static single-agent tasks with complete information.

curiositech/windags-skills

Extend and modify the admin dashboard, developer portal, and operations console. Use when adding new admin tabs, metrics, monitoring features, or internal tools. Activates for dashboard development, analytics, user management, and internal tooling.

curiositech/windags-skills

Conversation patterns and interaction protocols for multi-agent systems. Covers request/response, pub/sub, blackboard, delegation chains, debate, critique, consensus, fan-out/fan-in, supervisor-worker, and peer negotiation. Deep analysis of AutoGen conversation patterns, CrewAI delegation, LangGraph state passing, and FIPA-ACL performatives. Teaches how to design what agents say to each other and in what order. Activate on: "agent conversation", "agent protocol", "multi-agent debate", "agent delegation", "supervisor worker pattern", "agent voting", "consensus protocol", "fan-out fan-in", "agent negotiation", "blackboard pattern", "agent dialogue", "conversation topology", "agent handoff". NOT for: wire format or serialization (use agent-interchange-formats), orchestration infrastructure (use agentic-infrastructure-2026), single agent behavior (use agentic-patterns).

curiositech/windags-skills

Meta-agent for creating new custom agents, skills, and MCP integrations. Expert in agent design, MCP development, skill architecture, and rapid prototyping. Activate on 'create agent', 'new skill', 'MCP server', 'custom tool', 'agent design'. NOT for using existing agents (invoke them directly), general coding (use language-specific skills), or infrastructure setup (use deployment-engineer).

curiositech/windags-skills

AI-powered calendar management and agent-based scheduling coordination. Covers calendar APIs (Google Calendar, CalDAV/iCal), AI scheduling assistants (Reclaim, Clockwise, Motion, Cal.com), building custom calendar agents with MCP, multi-calendar merging, timezone management, focus block protection, meeting fatigue detection, and agent-to-agent meeting negotiation protocols. Activate on: "calendar agent", "AI scheduling", "calendar coordination", "meeting scheduling", "calendar API", "focus time protection", "calendar optimization", "Google Calendar MCP", "Reclaim", "Clockwise", "Motion", "Cal.com", "smart scheduling", "calendar-aware agent", "timezone scheduling", "agent negotiation meetings". NOT for: manual calendar UI component design (use form-validation-architect), project management scheduling or Gantt charts (use project-management-guru-adhd), general time-tracking or pomodoro apps (use adhd-daily-planner for time-awareness), building the agent itself from scratch (use agent-creator).

curiositech/windags-skills

Build and adopt production AI agent infrastructure in 2026. Covers framework selection (LangGraph, CrewAI, AutoGen, MCP), orchestration patterns, evaluation, observability, memory systems, and tool use. Also covers the SOCIAL dimension: how to sell agent infrastructure internally, change management, measuring ROI, building trust in autonomous systems, and scaling adoption across teams. Activate on: "agent infrastructure", "agent framework comparison", "which agent framework", "sell AI tools internally", "agent adoption", "agent observability", "agent evaluation", "MCP architecture", "agentic mesh", "enterprise AI agents", "AI change management", "agent ROI". NOT for: building specific agents (use ai-engineer), designing agent behavior patterns (use agentic-patterns), prompt tuning (use prompt-engineer).

curiositech/windags-skills

Fundamental patterns for effective agentic behavior. Teaches decomposition, tool orchestration, error recovery, context management, quality self-assessment, and knowing when to stop. Model-agnostic principles that make any agent more effective regardless of domain. Activate on: "how should I structure this agent", "agentic workflow", "agent patterns", "multi-step task", "tool orchestration", "/agentic-patterns", "decompose this", "agent best practices", "chain of actions", "when should the agent stop", "agent loop design". NOT for: creating agent infrastructure (use agent-creator), building DAGs (use windags-architect), specific tool implementation.

curiositech/windags-skills

Automated discovery and matching of agent skills for dynamic task routing and capability assessment

curiositech/windags-skills

Cryptographic security for agentic systems — zero-trust agent networking, signed message envelopes (JWS/JWE), capability-based security (ocaps), Merkle tree audit trails, WASM sandboxing, and formal verification. Covers CLI dev tool security, mTLS between agents, permission boundaries (least privilege for AI agents), and supply chain security for skills/plugins. Activate on: "agent security", "zero trust agents", "secure agent communication", "capability-based security", "ocap", "signed messages between agents", "agent audit trail", "sandbox agent execution", "agent permissions", "mTLS agents", "cryptographic verification", "agent supply chain", "OWASP agentic", "prove agent did X", "tamper-proof agent logs". NOT for: application-level SAST scanning (use security-auditor), network firewall rules (use infrastructure), SOC2/HIPAA compliance (organizational), or prompt injection defense (use prompt-engineer).

curiositech/windags-skills

Data structures and serialization formats for agent-to-agent communication. Covers message envelopes, structured output schemas, capability declarations, task handoff payloads, error/retry signaling, and context windows as data structures. Deep comparison of A2A protocol, MCP, OpenAI function calling, and LangChain message types. Teaches when to use rigid schemas vs free-form with validation, typed vs untyped, streaming vs batch. Activate on: "agent message format", "agent communication schema", "agent-to-agent protocol", "A2A protocol", "MCP message format", "structured output for agents", "agent interop", "interchange format", "agent serialization", "task handoff format", "capability declaration". NOT for: what agents say to each other (use agent-conversation-protocols), orchestration topology (use multi-agent-coordination), building agent infrastructure (use agentic-infrastructure-2026).

curiositech/windags-skills

Logic-based agent programming language implementing BDI architecture for practical autonomous agent development

curiositech/windags-skills

>- Design AgentSpeak(L)-style BDI agents with context-guarded plans, selection functions, and intention stacks. Use for interruptible autonomy, agent policy, and multi-agent orchestration in dynamic environments. NOT for simple rule engines, static planners, or centralized workflows.

curiositech/windags-skills

Foundational concurrent computation model where actors communicate exclusively through asynchronous message passing

curiositech/windags-skills

license: Apache-2.0 NOT for unrelated tasks outside this domain.

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