GeoDNS, Active Active, MicroServices, Evil Garbage Collectors and More! Live with Hussein Nasser
Live Q&A discussion of different backend engineering topics
Nov 07, 2020•1 hr 37 min
The Backend Engineering Show with Hussein Nasser
Welcome to the Backend Engineering Show podcast with your host Hussein Nasser. If you like software engineering you’ve come to the right place. I discuss all sorts of software engineering technologies and news with specific focus on the backend. All opinions are my own.
Most of my content in the podcast is an audio version of videos I post on my youtube channel here http://www.youtube.com/c/HusseinNasser-software-engineering
Buy me a coffee
https://www.buymeacoffee.com/hnasr
🧑🏫 Courses I Teach
https://husseinnasser.com/courses
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Episodes
Facebook Moves their Backend and Frontend to QUIC, it wasn’t smooth but they saw great results Let us discuss
Facebook move to QUIC from TCP was not smooth but they did see some improvement in all their apps. Let us discuss this Article https://engineering.fb.com/networking-traffic/how-facebook-is-bringing-quic-to-billions/ 0:00 Intro 3:00 What is QUIC? 10:45 Facebook Backend 14:30 FaceBook Frontend 15:20 GraphQL 17:00 The Trouble with QUIC 23:00 Static & Video Content 25:15 Instagram App 26:00 QUIC Future...
Nov 05, 2020•31 min
Installing This Twilio Malware NPM Package Opens a Backdoor on Your Developer Machine
SonaType detected a Malware in NPM registry imitating to be Twilio package that opens a reverse connection to a remote server and allows attacker to access your local machine content. Let us discuss Since this command is unix specific it won’t work on Windows https://blog.sonatype.com/twilio-npm-is-brandjacking-malware-in-disguise Resources SSH Tunneling https://youtu.be/N8f5zv9UUMI Ngrok https://www.youtube.com/watch?v=pR2qNnVIuKE...
Nov 03, 2020•20 min
Chrome dedicated certificate root store is coming soon, what does that mean? let us discuss
According to ZDNET "Chrome will soon have its own dedicated certificate root store" Let us discuss what that might mean to privacy https://www.zdnet.com/article/chrome-will-soon-have-its-own-dedicated-certificate-root-store/
Nov 02, 2020•8 min
Remotely access any TCP/UDP service bound to a victim machine - Let us discuss NAT Slipstreaming
Ever heard of HTTP Smuggling? will this is smuggling a TCP packet into an HTTP body so that it can be interpreted by the router to open internal ports to your machine. NAT Slipstreaming was discovered by Samy Kamkar, Article and research by @SamyKamkar https://samy.pl/slipstream/
Nov 02, 2020•21 min
TLS - Live Stream (by Hussein Nasser)
Let us have a casual chat about TLS, Security, Certificates and more
Oct 31, 2020•1 hr 36 min
All About Database ACID
In this live stream I discuss all about Database ACID one by one and we also answer interesting questions! Enjoy! Watch stream here https://www.youtube.com/watch?v=QCKZ3VZ87Qo&feature=youtu.be
Oct 24, 2020•1 hr 27 min
Should You Become a Full stack Engineer?
My Thoughts on Full Stack Engineering
Oct 23, 2020•14 min
Uber’s new Backend Architecture for Processing Payments
In this video I discuss the new Uber Backend Architecture that they deployed to process payments and jobs and orders. https://youtu.be/mL0fzj7e6WU Revolutionizing Money Movements at Scale with Strong Data Consistency https://eng.uber.com/money-scale-strong-data/
Oct 22, 2020•28 min
Column vs Row Oriented Databases Explained
In this video, I explain the differences between Column vs Row Oriented Database Storage how efficient each method is, and their pros & cons 0:00 Intro 2:50 Row-Oriented Database 15:30 Column-Oriented Database 26:30 Pros & Cons
Oct 20, 2020•35 min
Moving from a Network Engineer to a Backend Engineer - Career Path Advice
In this video I explain how Network Engineers can move to be a Backend Engineer by capitalizing on their skills in networking. Network Engineers can build great and improve the communication protocols that Backend Engineers use for service to service communication. Network Engineers can also be specialized in Proxies, Reverse Proxies, Load Balancers and Caching Layers.
Oct 19, 2020•8 min
Software Engineering is Overwhelming
Software Engineering is overwhelming and hard, I discuss how to ease up that burden and make it fun here. 0:00 Intro 2:20 Learning Software Engineering 17:55 Bugs 23:30 Design Activities 28:50 Summary 🎙️Listen to the Backend Engineering Podcast https://husseinnasser.com/podcast 🏭 Backend Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQUNnO4p00ua_C5mKTfldiYT 💾 Database Engineering Videos https://www.youtube.com/playlist?list=PLQnljOFTspQXjD0HOzN7P2tgzu7scWpl2 🏰 Load Balan...
Oct 18, 2020•35 min
WebSockets - Live Stream (By Hussein Nasser)
In this live stream we will keep the theme about WebSockets, scaling, layer 7 proxying vs layer 4 proxying in websockets , interesting problems and just chatting! 0:00 Intro 13:00 Stream Starts 21:30 WebSockets 1:08:00 Securing WebSockets 1:13:00 Scaling WebSockets Watch on YouTube https://www.youtube.com/watch?v=brKJFkLQWYo&feature=youtu.be
Oct 17, 2020•1 hr 26 min
Database Partitioning Explained
In this video, I will go through Database Partitioning and explain it in details, pros and cons with a demo using PostgreSQL.
Oct 15, 2020•41 min
Indexing in PostgreSQL vs MySQL
In this video, I explain how both Postgres and MySQL store their indexes and their effect on reads vs writes. Let us discuss 0:00 Intro 1:00 Tables 2:00 Indexes 3:20 Indexing in Postgres 5:00 Indexing in MySQL 6:35 What Happens on Update on Postgres 7:20 What Happens on Update on MySQL 9:00 Reads on Postgres 9:40 Reads on MySQL
Oct 13, 2020•14 min
Discord Backend Architecture Discussion
In this Video I discuss Discord WebRTC and Voice chat backend architecture, it is a very interesting article, let us discuss it https://blog.discord.com/how-discord-handles-two-and-half-million-concurrent-voice-users-using-webrtc-ce01c3187429 0:00 Intro 3:30 WebRTC As a Choice? 8:00 ReWriting WebRTC 11:20 Backend Architecture 20:00 Failover 26:00 My Thoughts...
Oct 12, 2020•30 min
PostgreSQL 13 Has Some Performance Boosts! Let us discuss it!
PostgreSQL 13 Has Some Performance Boosts! Let us discuss it! Postgres 13 has been released and it has some interesting features how about we discuss it! Resources Press-release https://www.postgresql.org/about/featurematrix/detail/341/ Feature Matrix https://www.postgresql.org/about/featurematrix/ “The PostgreSQL Global Development Group today announced the release of PostgreSQL 13 , the latest version of the world’s most advanced open source database . PostgreSQL 13 includes significant improv...
Oct 11, 2020•24 min
HTTP - Live Stream
In this Live stream, I discuss HTTP and answer interesting questions about HTTP, TLS, UDP, QUIC, WebSockets and more from the community watch the vod here https://www.youtube.com/watch?v=J6G8DdLgdJ4
Oct 10, 2020•1 hr 4 min
Why Discord Moved from MongoDB to Apache Cassandra, Let us Discuss
In this Article Stanislav Vishnevskiy elegantly discusses why Discord moved from MongoDB to Apache Cassandra, the challenges they faced, limitations of both Mongo & Cassandra. Well written article let us discuss https://blog.discord.com/how-discord-stores-billions-of-messages-7fa6ec7ee4c7
Oct 09, 2020•26 min
We Need to Stop the Microservices Madness - Scaling with Common Sense
I stumbled upon this interesting article titled Scaling with common sense, the author goes into different topics of the bad practices of pre-mature scaling and optimization specifically with regards to microservices and k8. Let us discuss Resources https://zerodha.tech/blog/scaling-with-common-sense/ 0:00 Intro 3:00 Comparisons are almost always meaningless. 5:30 Scaling starts with well built software. 8:50 Eat healthy and exercise daily. 10:15 KISS, don’t be afraid, and boring better cool. 12:...
Oct 07, 2020•47 min
How did I get served an Instagram Ad by browsing a completely different website?
In this video I explain how I was browsing a website (displate) and was served the exact same thing on my Instagram feed
Sep 30, 2020•6 min
HTTPS and HTTP/3 negotiation is now Faster thanks to Cloudflare, RIP HSTS, Let us Discuss
Watch the Video here https://youtu.be/76sgBHUl7iI Alessandro Ghedini wrote an interesting article discussing how DNS queries can help speed up HTTPS and HTTP/3 communication let us discuss this article https://blog.cloudflare.com/speeding-up-https-and-http-3-negotiation-with-dns/ 3:30 TLS video https://www.youtube.com/watch?v=AlE5X1NlHgg 4:57 HSTS https://www.youtube.com/watch?v=kYhMnw4aJTw 8:15 http/2 c smuggling https://www.youtube.com/watch?v=B2VEQ3jFq6Q 15:30 ESNI https://www.youtube.com/wat...
Sep 30, 2020•18 min
Microsoft 365 Outage, What Happened and What Caused it? Let us discuss
On September 28 2020 Microsoft 365 Service went down, what caused it? and what did Microsoft did to solve it. Resources https://twitter.com/msft365status/status/1310696819135901696?s=21 https://status.office.com/ https://answers.microsoft.com/en-us/msoffice/forum/msoffice_account-mso_imobile-mso_o365b/error-aadsts90033/d2ba3ef2-fe85-411d-b4fe-5c44df1e121c https://answers.microsoft.com/en-us/msoffice/forum/msoffice_o365admin-mso_other-mso_o365b/aadsts90033-a-transient-error-has-occurred-please/81...
Sep 29, 2020•13 min
When to Build a Stateless vs Stateful Back-ends using the right protocols (UDP, TCP, HTTP, QUIC, WebSockets)
In this video I explain how communication protocols are built on top of each other and how each protocol can be stateful or stateless. We need to understand this in order to know which protocol to use to build the right backend.
Sep 24, 2020•9 min
Russia Follows in China’s footsteps and attempts to block TLS 1.3, ESNI, DoH & DoT, let us discuss
It looks like Russia is submitting a proposal to block TLS 1.3, ESNI, DoH , DoT, let us discuss Resources https://www.zdnet.com/article/russia-wants-to-ban-the-use-of-secure-protocols-such-as-tls-1-3-doh-dot-esni/ https://en.wikipedia.org/wiki/SORM
Sep 23, 2020•13 min
Casting Firefox to your TV, Roku or Game Console? Watch out for this major DANGEROUS bug!
What scared me about this bug is how EASY it is to execute, no MITM, no special software.. its all exploiting of existing software.. Let us discuss The SSDP engine in Firefox for Android (68.11.0 and below) can be tricked into triggering Android intent URIs with zero user interaction. This attack can be leveraged by attackers on the same WiFi network and manifests as applications on the target device suddenly launching, without the users' permission, and conducting activities allowed by the inte...
Sep 22, 2020•11 min
GoogleBot Crawler Now Uses HTTP/2 to Index the Web, Let us discuss how this affects our Back-end?
Google Bot is now attempting to use HTTP/2 to crawl the web Ever since mainstream browsers started supporting the next major revision of HTTP, HTTP/2 or h2 for short, web professionals asked us whether Googlebot can crawl over the upgraded, more modern version of the protocol. Today we're announcing that starting mid November 2020, Googlebot will support crawling over HTTP/2 for select sites. Article https://webmasters.googleblog.com/2020/09/googlebot-will-soon-speak-http2.html * Intro 0:00 * Wh...
Sep 18, 2020•22 min
How I Got "Slightly" Better at Communicating my Ideas Effectively as a Software Engineer
In this video, I explain how I got better at communicating my thoughts, opinions and ideas and how making content on YouTube Channel actually helped. I still have a long way but I found that making content and continuously trying to get better at delivering the core point helps.
Sep 18, 2020•8 min
My Opinion on the “Stop Using React” Article
There was a recent article titled Stop Using React which spawned lots of discussions. I want to give my thoughts on this article and React in general. Resources https://dev.to/ender_minyard/why-you-should-stop-using-react-g7c https://timkadlec.com/remembers/2020-04-21-the-cost-of-javascript-frameworks/ 0:00 Intro 3:20 Its Slow 8:30 Its expensive 12:00 its inaccessible 14:00 React goes against the web 18:00 made by facebook 21:00 my thoughts...
Sep 17, 2020•28 min
Best Practices Working with Billion-row Tables in Databases
In this video, I discuss 3 methods to work with tables of billion rows. This discussion is inspired by a comment on my YouTube video on Twitter System Design right here https://www.youtube.com/watch?v=gfq-LG9ZJQA&lc=UgyYbm5889dW0XtKhsV4AaABAg Chapters Intro 0:00 1. Brute Force Distributed Processing 2:30 2. Working with a Subset of table 3:35 2.1 Indexing 3:55 2.2 Partitioning 5:30 2.3 Sharding 7:30 3. Avoid it all together (reshuffle the whole design) 9:10 Summary 11:30...
Sep 14, 2020•14 min
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