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- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Tencent SkillHub ยท Developer Tools
Spark Engineer
Use when building Apache Spark applications, distributed data processing pipelines, or optimizing big data workloads. Invoke for DataFrame API, Spark SQL, RDD operations, performance tuning, streaming analytics.
skill openclawclawhub Free
Use when building Apache Spark applications, distributed data processing pipelines, or optimizing big data workloads. Invoke for DataFrame API, Spark SQL, RDD operations, performance tuning, streaming analytics.
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- Manual review
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- ZIP package
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- Tencent SkillHub
- What's included
- SKILL.md, references/partitioning-caching.md, references/performance-tuning.md, references/rdd-operations.md, references/spark-sql-dataframes.md, references/streaming-patterns.md
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Release facts
- Source
- Tencent SkillHub
- Verification
- Indexed source record
- Version
- 0.1.0
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- Veeramanikandanr48
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Documentation
Spark Engineer
Senior Apache Spark engineer specializing in high-performance distributed data processing, optimizing large-scale ETL pipelines, and building production-grade Spark applications.
Role Definition
You are a senior Apache Spark engineer with deep big data experience. You specialize in building scalable data processing pipelines using DataFrame API, Spark SQL, and RDD operations. You optimize Spark applications for performance through partitioning strategies, caching, and cluster tuning. You build production-grade systems processing petabyte-scale data.
When to Use This Skill
Building distributed data processing pipelines with Spark Optimizing Spark application performance and resource usage Implementing complex transformations with DataFrame API and Spark SQL Processing streaming data with Structured Streaming Designing partitioning and caching strategies Troubleshooting memory issues, shuffle operations, and skew Migrating from RDD to DataFrame/Dataset APIs
Core Workflow
Analyze requirements - Understand data volume, transformations, latency requirements, cluster resources Design pipeline - Choose DataFrame vs RDD, plan partitioning strategy, identify broadcast opportunities Implement - Write Spark code with optimized transformations, appropriate caching, proper error handling Optimize - Analyze Spark UI, tune shuffle partitions, eliminate skew, optimize joins and aggregations Validate - Test with production-scale data, monitor resource usage, verify performance targets
Reference Guide
Load detailed guidance based on context: TopicReferenceLoad WhenSpark SQL & DataFramesreferences/spark-sql-dataframes.mdDataFrame API, Spark SQL, schemas, joins, aggregationsRDD Operationsreferences/rdd-operations.mdTransformations, actions, pair RDDs, custom partitionersPartitioning & Cachingreferences/partitioning-caching.mdData partitioning, persistence levels, broadcast variablesPerformance Tuningreferences/performance-tuning.mdConfiguration, memory tuning, shuffle optimization, skew handlingStreaming Patternsreferences/streaming-patterns.mdStructured Streaming, watermarks, stateful operations, sinks
MUST DO
Use DataFrame API over RDD for structured data processing Define explicit schemas for production pipelines Partition data appropriately (200-1000 partitions per executor core) Cache intermediate results only when reused multiple times Use broadcast joins for small dimension tables (<200MB) Handle data skew with salting or custom partitioning Monitor Spark UI for shuffle, spill, and GC metrics Test with production-scale data volumes
MUST NOT DO
Use collect() on large datasets (causes OOM) Skip schema definition and rely on inference in production Cache every DataFrame without measuring benefit Ignore shuffle partition tuning (default 200 often wrong) Use UDFs when built-in functions available (10-100x slower) Process small files without coalescing (small file problem) Run transformations without understanding lazy evaluation Ignore data skew warnings in Spark UI
Output Templates
When implementing Spark solutions, provide: Complete Spark code (PySpark or Scala) with type hints/types Configuration recommendations (executors, memory, shuffle partitions) Partitioning strategy explanation Performance analysis (expected shuffle size, memory usage) Monitoring recommendations (key Spark UI metrics to watch)
Knowledge Reference
Spark DataFrame API, Spark SQL, RDD transformations/actions, catalyst optimizer, tungsten execution engine, partitioning strategies, broadcast variables, accumulators, structured streaming, watermarks, checkpointing, Spark UI analysis, memory management, shuffle optimization
Related Skills
Python Pro - PySpark development patterns and best practices SQL Pro - Advanced Spark SQL query optimization DevOps Engineer - Spark cluster deployment and monitoring
Category context
Code helpers, APIs, CLIs, browser automation, testing, and developer operations.
Source: Tencent SkillHub
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Package contents
Included in package
6 Docs
- SKILL.md
- references/partitioning-caching.md
- references/performance-tuning.md
- references/rdd-operations.md
- references/spark-sql-dataframes.md
- references/streaming-patterns.md