https://github.com/mrmorais/racing-cars-demo

Online Interactive Game for Kafka/kSQL Demo
https://github.com/mrmorais/racing-cars-demo

kafka ksqldb vertx

Last synced: 20 days ago
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Online Interactive Game for Kafka/kSQL Demo

• Host: GitHub
• URL: https://github.com/mrmorais/racing-cars-demo
• Owner: mrmorais
• Created: 2022-11-02T21:36:23.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2022-11-08T01:25:41.000Z (about 2 years ago)
• Last Synced: 2024-11-01T02:23:38.304Z (2 months ago)
• Topics: kafka, ksqldb, vertx
• Language: Java
• Homepage:
• Size: 248 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Cars Race Demo

Developed with Vert.x, Kafka, kSQL and React App.

![](./cars-race-diagram.jpg)

## kSQL Statements

Create `car_race_updates` stream

```sql

CREATE STREAM car_race_updates (session VARCHAR, team VARCHAR)

  WITH (kafka_topic='cars_race_clicks', value_format='json', partitions=6);

```

Create `car_care_scores` materialized view

```sql

CREATE TABLE car_race_scores WITH (format='json') AS

  SELECT session, team, COUNT(team) as score FROM car_race_updates

  GROUP BY session, team

  EMIT CHANGES;

```

## Running

### React App

```

$ yarn

$ yarn start

```

### Vert.x App

```

$ ./mvnw clean compile exec:java

```