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Apache Spark

⬢ TINGKAT 2Teknis
Dhuwur
Pengaruh marang gaji
9 sasi
Wektu sinau
Angel
Tingkat kangelan
2
Karier
Ringkesané

Apache Spark is the standard framework for large-scale data processing: process hundreds of petabytes via PySpark, Spark SQL, and Structured Streaming across Databricks, AWS EMR, Google Dataproc. Career path: Practitioner (DataFrames, SQL, $120-150k) → Developer (partitioning, joins, streaming, $150-190k) → Architect (cluster mgmt, Delta Lake, $190-250k+). Ecosystem: Delta Lake (ACID lakehouse), Databricks, MLlib (distributed ML), Iceberg (versioned tables).

Apa iku Apache Spark

Distributed data processing engine for big data analytics. Process petabytes of data across clusters. Standard for batch and streaming data processing at scale. Learning Curve: Medium-Hard (distributed computing concepts)

🔧 PIRANTI & EKOSISTEM
DatabricksAWS EMRGoogle DataprocPySparkSpark SQLSpark StreamingDelta LakeMLlibApache IcebergHive MetastoreParquetScalaHadoop

📋 Sadurungé panjenengan miwiti

💰 Gaji miturut wilayah

WilayahAnomMadyaSepuh
USA$125k$165k$220k
UK£70k£95k£135k
EU€75k€100k€140k
CANADAC$130kC$175kC$230k

🎯 Karir sing nggunakaké Apache Spark

❓ FAQ

Spark vs SQL warehouses (Snowflake/BigQuery), when use which?
Spark: complex transformations, ML, streaming, open-source, lower cost at massive scale (petabytes). SQL warehouses: structured analytics, dashboards, simple SQL, managed infra, faster queries on GB-TB scale. Sweet spot: Spark for ETL/pipelines, warehouse for BI. Many orgs use both: Spark for prep, warehouse for serving.
Databricks vs DIY Spark (EMR/Dataproc), what's the real cost difference?
Databricks: managed, Delta Lake native, ~2-3x opex of raw cloud but includes cluster mgmt/optimization/notebooks. EMR/Dataproc: cheaper per compute-hour but ops overhead, DevOps time, monitoring. For teams <5: Databricks saves money. For teams >15 with Kubernetes expertise: DIY wins if you automate. 2026 trend: Databricks serverless (Compute) removes cluster ops entirely.
When NOT to use Spark, when is it overkill?
Spark has overhead: cluster startup (2-5 min), memory footprint (4GB+ minimum). Avoid: <10GB datasets (Pandas faster), real-time <100ms latency (use Kafka/Flink), simple SQL (use warehouse), batch <1GB (local machine). Spark shines: >1TB, complex multi-stage, ML training, streaming millions/sec, diverse data sources.
PySpark vs Scala Spark, which should I learn?
PySpark: easier to learn, richer ML ecosystem (scikit-learn, TensorFlow), preferred by data scientists, slower UDFs. Scala: native, best performance, used by Netflix/Uber backends, steeper learning curve. Start PySpark. If you hit performance walls on UDFs, learn Scala for critical paths. Most jobs ask for PySpark.
Spark 4 changes, what broke and do I care?
Spark 3.5→4.0: PySpark Type Hints (opt-in), ANSI compliance stricter, minor API changes. Your Spark 3 code runs fine. Benefits: 30-50% faster on TPC-DS, better Kubernetes, serverless improvements. Upgrade gradually. New projects: use 4.0 directly.
How do I optimize Spark costs and performance?
Partition smartly (avoid >10k tiny partitions), use broadcast for <100MB joins, cache only hot DataFrames, tune shuffle (spark.shuffle.partitions), prefer Parquet/Delta over CSV, use columnar filters, right-size executors (don't oversell). Databricks Photon: 10-50x speedup on SQL at no extra cost. Monitor with Spark UI (stages, executors, shuffle).
Spark for ML, when to use vs scikit-learn or TensorFlow?
MLlib (Spark's ML library): distributed training on petabytes, good for classification/regression/clustering at scale. Downsides: slower than TensorFlow/PyTorch, limited deep learning. Use MLlib: >1TB data, distributed CPU training. Use TensorFlow: deep learning, GPUs, <1TB. Hybrid: PySpark for prep, TensorFlow for training on sampled data, score back in Spark.

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