Real-Time Analytics Stack with Kafka, Flink, and ClickHouse
Real-Time Analytics Stack with Kafka, Flink, and ClickHouse
April 30, 2025
In todayβs digital businesses, real-time decisions require real-time data. At Essid Solutions, we design and implement low-latency analytics platforms using Apache Kafka, Apache Flink, and ClickHouse to deliver streaming insights at scale.
π§ Why Real-Time Analytics?
- Detect anomalies or fraud in real-time
- Optimize marketing campaigns instantly
- Power recommendation engines and personalization
- Monitor IoT or sensor data with live dashboards
Batch ETL isnβt fast enough when milliseconds matter.
βοΈ Core Components of a Real-Time Stack
- Data Ingestion β Apache Kafka, MQTT, WebSockets
- Stream Processing β Apache Flink or Kafka Streams for windowing, joins, enrichment
- Analytics Database β ClickHouse for ultra-fast OLAP queries
- Visualization β Grafana, Redash, Superset
- Monitoring & Alerting β Prometheus, Alertmanager
π Architecture Overview
[ Data Sources: Apps, Sensors, APIs ]
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[ Kafka Topic Streams ]
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[ Flink Jobs: Enrichment, Filtering, Joins ]
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[ ClickHouse OLAP DB ] ---> [ Dashboards & Alerts ]
Optional: Use Kafka Connect to bridge sources like PostgreSQL or S3.
πΌ Use Case: Fintech Fraud Detection System
A fintech company wanted to detect suspicious transactions in real-time. We:
- Ingested data via Kafka from APIs and mobile apps
- Built Flink jobs for rule-based fraud scoring
- Stored results in ClickHouse with sub-second queries
- Visualized alerts in Grafana
Result: Reduced fraud resolution time from hours to seconds.
π Build Your Real-Time Analytics Stack
Weβll help you launch scalable, event-driven pipelines for live business insights.
π Request a real-time architecture call
Or email: hi@essidsolutions.com