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ټول مهارتونه

Samza Stream Processing

⬢ درجه 2تخنیکي
لوړ
د معاش اغېز
8 میاشتې
د زده کړې وخت
سخت
سختوالی
—
مسلکونه
په یوه نظر

Samza is Apache's stream processing framework for real-time processing of Kafka or other message topics. Stateless (map/filter operations) or stateful (aggregations, joins) processing. Used by LinkedIn and other large-scale systems for analytics, fraud detection, recommendations, and data pipelines. Requires Java/Scala, understanding of distributed systems, and Kafka fundamentals. Learnable in 8–10 weeks. Overlaps with Spark, Flink, and other stream processors. Salaries $145K–$200K for stream processing engineers. Declining in favor of Kafka Streams and Flink but still actively used in large organizations.

Samza Stream Processing څه شی دی

Samza is Apache's open-source stream processing framework for real-time processing of events from Kafka or other message systems. Samza jobs read from message topics, process events (filtering, mapping, aggregating, joining), and write to output topics or external systems. Samza excels at low-latency, high-throughput event processing with exactly-once semantics (no duplicates or losses). Key concepts: stateless operations (simple transformations), stateful operations (aggregations, JOINs using local state stores), windowing (time-based grouping), and checkpointing (fault tolerance). Samza is tightly integrated with Kafka, designed for high-volume event streams.

🔧 وسیلې او ایکوسیستم
Samza FrameworkKafka TopicsState StoresScala or JavaLocal ContainerCheckpointingWindowingMetrics

💰 د سیمې له مخې معاش

سیمهجونیرمنځنیسېنیر
USA$110k$165k$230k
UK£65k£105k£150k
EU€70k€110k€160k
CANADAC$100kC$155kC$220k

⚖ سره پرتله کړئ

Apache Flink Streaming

❓ ډېرې پوښتل شوې پوښتنې

Is Samza better than Spark or Flink?
Different trade-offs. Samza: simpler, lower latency, better for Kafka streams. Spark: batch + streaming, mature, popular. Flink: most powerful, complex. Use Samza if Kafka-native, low-latency is critical.
What's the difference between stateless and stateful?
Stateless: map, filter (one event in, one out). Stateful: aggregations, JOINs, windowing (maintain state across events). Stateful is harder but more powerful.
How do I handle exactly-once semantics?
Samza provides exactly-once by default. Idempotent state updates + Kafka offsets + checkpointing. No duplicate processing.
What's a state store?
Local key-value store (RocksDB) holding aggregation state. Persisted to changelog topics for recovery. Critical for stateful operations.
Is Samza still relevant?
Declining in favor of Kafka Streams and Flink. Still used at scale (LinkedIn, etc.) but new projects often choose alternatives.

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