@rkenmi - Search Results

Data stores in Software Architectures

... input this data into Spark Streaming and store the output into a database like Cassandra or a message queue like RabbitMQ for notifications. Services can then query the output database or receive the messages from the message queue to return real time data back to the user Since we have big data with respect to time, we can use something like a Time Series Database (TSDB) such as InfluxDB, rather than Data Warehouse or Cassandra.

July 19, 2021

Design Concepts

... Queue The Publisher/Subscriber Model is a pretty popular design pattern, and message queues such as RabbitMQ are also a very popular implementation of that. With message queues, subscribers can constantly poll for the result of their request.

November 20, 2019

Apache Kafka and Event Streaming

... be replayed to consumers. Event Streaming You can stream data in a pub/sub fashion, or act as a message queue. Fault Tolerant If one machine dies, the other machines will cover for it until the machine has been replaced.

March 31, 2021

Javascript Essentials

... is added whenever an event occurs and a listener is attached to it. A JavaScript runtime uses a message queue, which is a list of messages to be processed. Each message has an associated function which gets called in order to handle the message.

November 12, 2017

Quick Numbers in Software Engineering Cheatsheet

... should get you started for easy conversions. Requests on database nodes (PostgreSQL, Redis) and message queue nodes (Kafka) are based off of a single server running on modern commodity hardware.

January 23, 2021