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PYSPARK • LESSON 184

Production Real-Time Critical Event Alerting Pipeline

How do we filter critical security events and trigger availableNow micro-batches with durable checkpointing?

Production3 Minutes1350 XP
🤔 THE QUESTION

How do we filter critical security events and trigger availableNow micro-batches with durable checkpointing?

💡 WHAT IS IT?

A production streaming alert pipeline filtering critical events and committing to gold storage with availableNow triggers.

🎯 WHAT IS IT USED FOR?

High-priority security intrusion alerts, transaction fraud alarms, and real-time operational monitoring.

💻 EXAMPLE
from pyspark.sql.functions import col

alert_stream = streaming_events \
    .filter(col("severity") == "CRITICAL") \
    .writeStream \
    .format("parquet") \
    .outputMode("append") \
    .trigger(availableNow=True) \
    .option("checkpointLocation", "checkpoints/critical_alerts") \
    .option("path", "lakehouse/gold/critical_alerts") \
    .start()

🎯 Mission Objectives

Practice typing production-grade PySpark code for Production Real-Time Critical Event Alerting Pipeline.

  • Filter critical severity events
  • Configure availableNow cost-efficient trigger
  • Publish real-time security alerts