The Backend Engineering Show with Hussein Nasser

By Hussein NasserTechnology

The Backend Engineering Show with Hussein Nasser episodes

September 06, 2021 SSL Striping | The Backend Engineering Show
In this episode of the backend engineering show, I’ll go through the SSL Stripping attack, what caused it, what were the mitigations enforced to solve it, and why it is still a problem.
0:00 Intro
2:10 The Web Security Model
14:30 SSL Stripping Example
22:00 How to Solve SSL Stripping?
27:00 Limitations of HSTS
31:00 Summary
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40 min
September 03, 2021 TCP/IP turns 40 | The Backend Engineering Show
Let us take a moment to appreciate the TCP/IP design by discussing it.
30 min
September 02, 2021 gRPC over HTTP/3 is finally a thing | Backend Engineering Show
The gRPC team just submitted a proposal to support HTTP/3. This is big news and we have been waiting for a long time for this. In this show, I’ll discuss why would you want gRPC, why gRPC picked HTTP/2, what is actually wrong with HTTP/2 and what HTTP/3 solves. And Finally, I’ll discuss what is wrong with HTTP/3 and pitfalls that you as gRPC user might run into. Let us discuss!
0:00 Intro
1:30 why gRPC
5:20 gRPC & HTTP/2
7:30 gRPC & HTTP/3
8:50 What is wrong with HTTP/2
29:30 What is good about HTTP/3
37:00 What’s wrong with HTTP/3
Resources
https://github.com/grpc/proposal/pull/256/files
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48 min
August 29, 2021 KeepAlive | The Backend Engineering Show
I discuss keepalive in TCP and HTTP and its pros and cons

0:00 Intro
3:28 What is KeepAlive
8:30 TCP KeepAlive
10:30 Middleboxes and Single-Path TCP
16:30 Middle Boxes and Keepalive
19:30 The FTP KeepAlive trap
25:00 HTTP KeepAlive
30:00 What's a good keepalive timeout?
https://daniel.haxx.se/blog/2020/02/10/curl-ootw-keepalive-time/
https://datatracker.ietf.org/doc/html/rfc1122#section-4.2.3.6
https://datatracker.ietf.org/doc/html/rfc793#section-3.5
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36 min
August 23, 2021 The Anatomy of a Proxy Server | The Backend Engineering Show
In this video I’ll illustrate how a proxy server works under the hood. I Will go through how connection establishment works without a proxy, with an HTTP proxy and finally with HTTPS proxy in tunnel mode and TLS termination mode.
0:00 Intro
1:00 Connection Establishment without a Proxy
5:00 Connection Establishment with an HTTP Proxy
15:22 Connection Establishment with an HTTPS Proxy (Tunnel mode)
19:50 Connection Establishment with an HTTPS Proxy (TLS Termination)
cards
16:25 https://youtu.be/PAJ5kK50qp8 connect method
24 min
August 21, 2021 How Redis efficiently snapshots gigabytes of memory to disk (forking)
I discuss the concept of process forking, copy on write (COW) aka shadowing, and how Redis the in-memory database take advantage of that for asynchronous snapshotting,

https://redis.io/topics/persistence
5 min
August 20, 2021 Table Clustering (Clustered Index) - The pros and cons
In this episode of the backend engineering show, I discuss database clustering. This is also known as table clustering, clustered index or Index organized table all names represents the same thing. I will talk about the benefits of clustering and also the disadvantages of implementing clustering. This feature is also implicitly implemented in certain databases.
More readings
https://www.postgresql.org/docs/14/sql-cluster.html
https://oracle-base.com/articles/8i/index-organized-tables
https://docs.microsoft.com/en-us/sql/relational-databases/indexes/clustered-and-nonclustered-indexes-described?view=sql-server-ver15
https://dev.mysql.com/doc/refman/5.7/en/innodb-index-types.html
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🏭 Backend Engineering Videos in Order
https://backend.husseinnasser.com
💾 Database Engineering Videos
https://www.youtube.com/playlist?list=PLQnljOFTspQXjD0HOzN7P2tgzu7scWpl2
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29 min
August 12, 2021 Synchronous and asynchronous workloads are everywhere
In this video, I’ll explain synchronous vs asynchronous operations and then discuss examples where this shows up. In programming, real-time messaging, database systems, and operating systems.
0:00 Definition Synchronous vs Asynchronous
4:15 sync vs async In Programming
7:50 Sync vs Async In Real-time messaging
17:00 Sync vs Async In Database Replication
23:50 Sync vs Async in Database Commits
29:30 Sync vs Async in fsync Operating System cache
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36 min
August 09, 2021 Microsoft IIS as a Backend - CPU Throttling
In this episode of the Backend Engineering show, I'll discuss the advanced section settings in the Application Pool in Internet Information Services in IIS.
Chapters
0:00 Intro
0:30 What is an Application Pool
3:00 IIS Multi-processing
5:18 .NET CLR Version
6:00 32-bit apps
6:21 Pipeline Mode (CGI vs ISAPI vs Native)
8:45 Max Queue
10:18 CPU Limiting
16:00 Processor Affinity
20:00 Summary
23 min
August 03, 2021 Partial Indexing | Backend Engineering Show
While the benefits of partial indexes can have a great impact on your database system performance, the implications are also great if misused. Let us discuss partial indexing (Also known as filtered indexes in SQL Server)
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19 min

About The Backend Engineering Show with Hussein Nasser

From the publisher's feed

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.