Thanks to all the audience who attended the follow-up session with us, and the valuable questions asked during the session.
To all the audience, here you the links to the session below:
<ul>
<li>Followup session recording: <a target="_blank" href="https://shereef.page.link/ec8d">https://shereef.page.link/ec8d</a></li>
<li>Original Tech Talk: <a target="_blank" href="https://shereef.page.link/DwNd">https://shereef.page.link/DwNd</a></li>
</ul>
The session was held with valuable questions and contributions from:
<ul>
<li>Ahmed El Bdrawy</li>
<li>Mazen Mohamed : <a target="_blank" href="https://www.linkedin.com/in/mazen-mohamed-dev/">https://www.linkedin.com/in/mazen-mohamed-dev/</a></li>
</ul>
In this follow-up session, we talked about the following topics:
<ul>
<li>Recap the reference architecture</li>
<li>Recap the questions</li>
<li>Load Balancer</li>
<li>Web Application</li>
<li>Geographical IP Routing</li>
<li>Data persistent servers</li>
<li>What is the scaling problem with the data holding servers?</li>
<li>Read vs write workloads</li>
<li>Database Sharding</li>
<li>When to shard? and When not to?</li>
<li>Sharding functions?</li>
<li>Using Cloud services vs In-house VM Deployments</li>
<li>Scaling limits</li>
<li>When to use elastic search or Apache Solr?</li>
<li>How to choose a messaging server?</li>
</ul>
<hr />
Shereef Sakr on other platforms: <a target="_blank" href="https://shereef.page.link/r394">https://shereef.page.link/r394</a>

Thanks to all the audience who attended the follow-up session with us, and the valuable questions asked during the session.

To all the audience, here you the links to the session below:

- Followup session recording: [https://shereef.page.link/ec8d](https://shereef.page.link/ec8d)
- Original Tech Talk: [https://shereef.page.link/DwNd](https://shereef.page.link/DwNd)

The session was held with valuable questions and contributions from:

- Ahmed El Bdrawy
- Mazen Mohamed : [https://www.linkedin.com/in/mazen-mohamed-dev/](https://www.linkedin.com/in/mazen-mohamed-dev/)

In this follow-up session, we talked about the following topics:

- Recap the reference architecture
- Recap the questions
- Load Balancer
- Web Application
- Geographical IP Routing
- Data persistent servers
- What is the scaling problem with the data holding servers?
- Read vs write workloads
- Database Sharding
- When to shard? and When not to?
- Sharding functions?
- Using Cloud services vs In-house VM Deployments
- Scaling limits
- When to use elastic search or Apache Solr?
- How to choose a messaging server?

---
Shereef Sakr on other platforms: [https://shereef.page.link/r394](https://shereef.page.link/r394)

Followup session - What it takes to build a platform that scales to billion users

A blog that is basically oriented to Software Engineering and Career advice. Myself I'm Shereef Sakr a technology guru, and enthusiastic about open source technologies.