---
title: "mohamed adel (@mohaadel) | Hashnode"
description: "mohamed adel (@mohaadel) writes on Hashnode. Read their latest articles and follow their work."
url: "https://hashnode.com/@mohaadel"
---

@mohaadel

# mohamed adel

@mohaadel · Joined May 2021

### [The Facebook Journey to Reduce Social Graph Storage By Half (MyRocks)](https://mohaadel.hashnode.dev/the-facebook-journey-to-reduce-social-graph-storage-by-half-myrocks?utm_source=hashnode&utm_medium=feed)

TL;DR : In this article, we will go through the motivation why Facebook decided to change the InnoDB storage engine and replace it with MyRocks. Also, we explore how they designed MyRocks what are the challenges, how they planned for the migration, a...

10 min read · [mohaadel.hashnode.dev](https://mohaadel.hashnode.dev/the-facebook-journey-to-reduce-social-graph-storage-by-half-myrocks?utm_source=hashnode&utm_medium=feed)

[Jun 22, 2021](https://hashnode.com/posts/the-facebook-journey-to-reduce-social-graph-storage-by-half-myrocks/60d1f041f0eac86cc6b00acb)

### [Dynamo: Amazon’s Highly Available Key-value Store (Summary)](https://mohaadel.hashnode.dev/dynamo-amazons-highly-available-key-value-store-summary?utm_source=hashnode&utm_medium=feed)

Dynamo is a key-value store developed by Amazon with the main focus on availability. Amazon was relying on the Oracle database, but they fastly reached its upper scaling limits. So they decided to build an in-house database to handle the massive scal...

5 min read · [mohaadel.hashnode.dev](https://mohaadel.hashnode.dev/dynamo-amazons-highly-available-key-value-store-summary?utm_source=hashnode&utm_medium=feed)

[Jun 11, 2021](https://hashnode.com/posts/dynamo-amazons-highly-available-key-value-store-summary/60c3311ca25fa357af83f41f)