What Is Event Sourcing?

• RabbitMQ

  93 11,621 10.0 Starlark

  Open source RabbitMQ: core server and tier 1 (built-in) plugins

  

And these operations could -and probably should- be asynchronous as long as you push domain events to a queue system like Google PubSub or AWS SQS or RabbitMQ and then you pull it from a daemon. Bear in mind you should manage order and duplication.

• MySQL

  147 10,295 9.8 C++

  MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.

  

The event store is the storage system we use to persist these events. It can be a table on a database like MySQL, or a specific product like EventStore. Anyway, it will have most of the following fields:

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• MongoDB

  250 25,487 10.0 C++

  The MongoDB Database

  

There are many different options to build a read model, but a document database is the usual choice, as we can be more flexible, and we don’t need structured data -because we have the write model for that. MongoDB, for instance, is the option I use.

• nodejs-pubsub

  24 512 8.4 TypeScript

  Node.js client for Google Cloud Pub/Sub: Ingest event streams from anywhere, at any scale, for simple, reliable, real-time stream analytics.

  

And these operations could -and probably should- be asynchronous as long as you push domain events to a queue system like Google PubSub or AWS SQS or RabbitMQ and then you pull it from a daemon. Bear in mind you should manage order and duplication.

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