How do we filter critical security events and trigger availableNow micro-batches with durable checkpointing?
A production streaming alert pipeline filtering critical events and committing to gold storage with availableNow triggers.
High-priority security intrusion alerts, transaction fraud alarms, and real-time operational monitoring.
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()Practice typing production-grade PySpark code for Production Real-Time Critical Event Alerting Pipeline.