A notification architecture for social networks — send millions of notifications per day

• MongoDB

  248 25,418 10.0 C++

  The MongoDB Database

  

Databases - for storage and retrieval, we use MongoDB as our primary database with the help of Redis in certain places.

• Redis

  318 64,705 9.7 C

  Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs, Bitmaps.

  

Databases - for storage and retrieval, we use MongoDB as our primary database with the help of Redis in certain places.

• InfluxDB

  www.influxdata.com sponsored

  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.

  

• nodejs-pubsub

  24 512 8.6 TypeScript

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

  

Pub/Sub by google cloud - receiver-selection-q, builder-q, storage-q and instant-notification-q are all pub-sub queues powered by GCP Pub/Sub. If you want to use this, check the dead-letter queue and exponential backoff setting as well

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