Bedste Nasser-podcasts (2024)

1
Tabuk Part 1 - Rome Conquers Persia 55:57

16h ago55:57

55:57

This lecture covers the prelude to the Battle of Tabuk. Key topics include: - Birth of Ibrahim: Upon returning to Medina, the Prophet’s wife Mariya the Coptic gave birth to a son, named Ibrahim. The Angel Gabriel congratulated the Prophet on becoming a father. - Expedition of Tabuk: This was the last military campaign led by the Prophet. It aimed t…

1
They made Python faster with this compiler option 29:04

13d ago29:04

29:04

Fundamentals of Operating Systems Course https://oscourse.winLooks like fedora is compiling cpython with the -o3 flag, which does aggressive function inlining among other optimizations.This seems to improve python benchmarks performance by at most 1.16x at a cost of an extra 3MB in binary size (text segment). Although it does seem to slow down some…

1
How Apache Kafka got faster by switching ext4 to XFS 33:52

21d ago33:52

33:52

https://oscourse.win Allegro improved their Kafka produce tail latency by over 80% when they switched from ext4 to xfs. What I enjoyed most about this article is the detailed analysis and tweaking the team made to ext4 before considering switching to xfs. This is a classic case of how a good tech blog looks like in my opinion. 0:00 Intro 0:30 Summa…

1
Google Patches Linux kernel with 40% TCP performance 14:24

3M ago14:24

14:24

Get my backend course https://backend.win Google submitted a patch to Linux Kernel 6.8 to improve TCP performance by 40%, this is done via rearranging the tcp structures for better cpu cache lines, I explore this here.0:00 Intro0:30 Google improves Linux Kernel TCP by 40%1:40 How CPU Cache Line Works6:45 Reviewing the Google Patchhttps://www.phoron…

1
Database Torn pages 15:33

3M ago15:33

15:33

0:00 Intro 2:00 File System Block vs Database Pages 4:00 Torn pages or partial page 7:40 How Oracle Solves torn pages 8:40 MySQL InnoDB Doublewrite buffer 10:45 Postgres Full page writes

1
Cloudflare Open sources Pingora (NGINX replacement) 31:05

3M ago31:05

31:05

Get my backend course https://backend.win Cloudflare has announced they are opening sources Pingora as a networking framework! Big news, let us discuss 0:00 Intro 0:30 Reasons why Cloudflare built Pingora? 3:00 It is a framework! 7:30 What in Pingora? 11:50 Security in Pingora 13:45 Multi-threading in Pingora 21:00 Customization vs Configuration 25…

1
The Siege of Ta'if 51:15

3M ago51:15

51:15

After victory against Banu Thaqif at Hunayn, Prophet Muhammad marched his army to Ta'if, where Banu Thaqif had retreated to and barricated themselves inside with enough food and water to last them for a year. The Prophet declared any slaves who joined Islam and left the fortress would be granted freedom, and many took him up on the offer. As the si…

1
The Internals of MongoDB 44:57

3M ago44:57

44:57

https://backend.win https://databases.win I’m a big believer that database systems share similar core fundamentals at their storage layer and understanding them allows one to compare different DBMS objectively. For example, How documents are stored in MongoDB is no different from how MySQL or PostgreSQL store rows. Everything goes to pages of fixed…

1
The Beauty of Programming Languages 18:17

3M ago18:17

18:17

In this video I explore the type of languages, compiled, garbage collected, interpreted, JIT and more.

1
The Danger of Defaults - A PostgreSQL Story 11:34

3M ago11:34

11:34

I talk about default values and how PostgreSQL 14 got slower when a default parameter has changed. Mike's bloghttps://smalldatum.blogspot.com/2024/02/it-wasnt-performance-regression-in.html

1
Database Background writing 9:08

3M ago9:08

9:08

Background writing is a process that writes dirty pages in shared buffer to the disk (well goes to the OS file cache then get flushed to disk by the OS) I go into this process in this video

1
The Battle of Hunain 52:01

3M ago52:01

52:01

Banu Thaqif had been long standing rivals of the Quraysh. They saw the Quraysh's defeated as an opportunity to attack and seize control of Mecca for themselves. In response, Prophet Muhammad called all Muslims to battle and led an army of 12,000 against them. Banu Thaqif's side had over 20,000. Banu Thaqif setup an ambush in the Valley of Hunain, m…

1
The Cost of Memory Fragmentation 39:07

4M ago39:07

39:07

Fragmentation is a very interesting topic to me, especially when it comes to memory. While virtually memory does solve external fragmentation (you can still allocate logically contiguous memory in non-contiguous physical memory) it does however introduce performance delays as we jump all over the physical memory to read what appears to us for examp…

1
The Real Hidden Cost of a Request 13:08

5M ago13:08

13:08

In this video I explore the hidden costs of sending a request from the frontend to the backend Heard https://medium.com/@hnasr/the-journey-of-a-request-to-the-backend-c3de704de223

1
Converting in Droves 52:23

6M ago52:23

52:23

After the conquest of Mecca, hundreds of thousands of Arabs came to the prophet to convert and pledge their allegiance. This lecture covers why they joined now and reflects the verses of Surah An-Nasr which predicted this. The Prophet also sent various small expiditions to the surrounding tribes to invite them to Islam. The last of the pagan tribes…

1
Conquest of Mecca [4] - Amnesty Granted 53:18

6M ago53:18

53:18

Prophet Muhammad destroys all the idols in the Kaaba with Imam Ali's help and washes the images that had been drawn inside. He then introduced Islam to the Meccans, discarding their ideas of nationalism and tribalism, and offered a general amnesty regardless of if they convert to Islam. Prophet Muhammad told Bilal to climb on top of the Kaaba to gi…

1
Conquest of Mecca [3] - Mecca Surrenders 46:30

6M ago46:30

46:30

Prophet Muhammad had promised safety to any Meccan who either remined in their own home during the invasion or went to Abu Sufyan's home. After seeing the Muslim's strenght, Abu Sufyan saw the futility of struggle and urged the Meccans to surrender. Some Meccans remained defiant, notably his wife Hind and Ikrimah, the son of Abu Jahl. After taking …

1
Conquest of Mecca [2] - Tactics and Betrayal 50:52

7M ago50:52

50:52

Prophet Muhammad kept the attack on Mecca a closely guarded secret. However Hatib ibn Abi Balta'ah sent a letter to the Quraysh warning them of the attack. The Prophet was informed of this by revelation and he sent Ali and Zubayr to retrieve it. The Muslim army eventually marched to Mecca, where they were instructed to spread out and display their …

1
Why create Index blocks writes 13:02

7M ago13:02

13:02

Fundamentals of Database Engineering udemy course (link redirects to udemy with coupon)https://database.husseinnasser.com Why create Index blocks writesIn this video I explore how create index, why does it block writes and how create index concurrently work and allow writes.0:00 Intro1:28 How Create Index works4:45 Create Index blocking Writes5:00 …

1
Conquest of Mecca [1] - The Broken Treaty 44:53

7M ago44:53

44:53

The Treaty of Hudaybiyya had included a vow of there being no fighting between the Quraysh and the Muslims. However, when the tribe of Banu Bakr asked the leaders of Quraysh for help in a raid against their long time foe Banu Khuza'ah, a tribe with many Muslims and who were longtime allies of Prophet Muhammad, the Quraysh joined in. The raiders kil…

1
Campaign of Dhat Al-Salasil 49:23

7M ago49:23

49:23

The Campaign of Dhat Al-Salasil occurred soon after "defeat" at the Battle of Mu'tah, when various Ghassanid affiliated tribes sensed an opportunity to invade Medina. They thought the Muslims would be weak and demoralized. A bedouin learned about the gathering army and informed Prophed Muhammad, who designated an army and commander to go fight them…

1
The Problems of an HTTP/3 Backend 13:52

8M ago13:52

13:52

HTTP/3 is getting popular in the cloud scene but before you migrate to HTTP/3 consider its cost. I explore it here.0:00 Intro HTTP/3 is getting popular3:40 HTTP/1.1 Cost5:18 HTTP/2 Cost6:30 HTTP/3 Costhttps://blog.apnic.net/2023/09/25/why-http-3-is-eating-the-world/

1
Encrypted Client Hello - The Pros & Cons 33:17

8M ago33:17

33:17

The Encrypted Client Hello or ECH is a new RFC that encrypts the TLS client hello to hide sensitive information like the SNI. In this video I go through pros and cons of this new rfc.0:00 Intro2:00 SNI4:00 Client Hello8:40 Encrypted Client Hello11:30 Inner Client Hello Encryption18:00 Client-Facing Outer SNI21:20 Decrypting Inner Client Hello23:30 …

1
Fighting the Roman Army 48:17

8M ago48:17

48:17

The Roman army, with 10,000 soliders, outnumbered the Muslims 3:1 at the Battle of Mutah. Some of the Muslims feared the large army and wanted to retreat, but the senior companions bolstered their courage. Prophet Muhammad had appointed a leader for the army, with two backup leaders in case the first one was martyred. This was a hard battle. Jaffer…

1
The Battle of Mu'tah - Prelude 50:30

9M ago50:30

50:30

The Battle of Mu'tah was triggered when a messenger Prophet Muhammad sent to Ghassani Shurahbil was murdered. This was a declaration of war. While Prophte Muhammad himself didn't participate in this battle, thanks to the treaty of Hudaybiyya he was able to send 3000 Muslims to fight without compromising the securit of Medina. As the army departed, …

1
The Journey of a Request to the Backend 52:58

10M ago52:58

52:58

From the frontend through the kernel to the backend process When we send a request to a backend most of us focus on the processing aspect of the request which is really just the last step. There is so much more happening before a request is ready to be processed, most of this step happens in the Kernel. I break this into 6 steps, each step can theo…

1
Umra al-Qadha 50:41

11M ago50:41

50:41

Prophet Muhammad led the Muslims on a second attempt at Umra, thet qazaa for the last one which they couldn't complete. Rumor spread among the Mushrikeen that the Muslims were weakened, so the Prophet instructed his followers to show extra strength and bravado to dispel that notion. During the Umra: - Meccans removed their idols from the kaba for t…

1
They Enabled Postgres Partitioning and their Backend fell apart 33:38

11M ago33:38

33:38

In a wonderful blog, Kyle explores the pains he faced managing a Postgres instance for a startup he works for and how enabling partitioning sigintfically created wait events causing the backend and subsequently NGINX to through 500 errors.We discuss this in this video/podcasthttps://www.kylehailey.com/post/postgres-partition-pains-lockmanager-waits…

1
Fadak - Granted and Usurped 56:15

11M ago56:15

56:15

Prophet Muhammad had given the garden of Fadak to his daughter Fatima, but after his passing it snatched away from her by Abu Bakr and Umar. This lecture explains: - How Fadak became the Prophet's property - Why he gifted it to Lady Fatima - Fadak was a source of immense wealth, generating enough income to fund an army. - How Umar adviced Abu Bakr …

1
Khaybar - Victory, Khums & Marrying Safiyyah 45:06

11M ago45:06

45:06

The victory at Khaybar changed the lives of the Muslim community and became a source of financial strength for them. The lecture includes: - The surrender treaty, where the Jews were allowed to remain on Khaybar in return for a share of the harvest - How the prophet distributed the khums from the war - The Muhajireen using their share of khums to r…

1
WebTransport - A Backend Game Changer 15:01

12M ago15:01

15:01

WebTransport is a cutting-edge protocol framework designed to support multiplexed and secure transport over HTTP/2 and HTTP/3. It brings together the best of web and transport technologies, providing an all-in-one solution for real-time, bidirectional communication on the web. Watch full episode (subscribers only) https://spotifyanchor-web.app.link…

1
Your SSD lies but that's ok | Postgres fsync 30:04

12M ago30:04

30:04

fsync is a linux system call that flushes all pages and metadata for a given file to the disk. It is indeed an expensive operation but required for durability especially for database systems. Regular writes that make it to the disk controller are often placed in the SSD local cache to accumulate more writes before getting flushed to the NAND cells.…

1
Khaybar - Miracles and Conquest 47:19

12M ago47:19

47:19

The Muslims marched to the Fort of Khaybar, attack and defeat it's treacherous occupants. Along the way, various miracles occur: - An assassin attempts to kill Prophet Muhammad, but he miraciously is suddenly mentally handicapped. - Imam Ali's unable to fight due to an illness in his eyes. Prophet Muhammad heals him and Imam Ali leads the Muslims t…

1
The problem with software engineering 17:39

12M ago17:39

17:39

ego is the main problem to a defective software product. the ego of the engineer or the tech lead seeps into the quality of the product. Fundamentals of Backend Engineering Design patterns udemy course (link redirects to udemy with coupon)https://backend.husseinnasser.com

1
2x Faster Reads and Writes with this MongoDB feature | Clustered Collections 27:01

1y ago27:01

27:01

Fundamentals of Database Engineering udemy course (link redirects to udemy with coupon)https://database.husseinnasser.com In version 5.3, MongoDB introduced a feature called clustered collection which stores documents in the _id index as oppose to the hidden wiredTiger hidden index. This eliminates an entire b+tree seek for reads using the _id inde…

1
Prime Video Swaps Microservices for Monolith: 90% Cost Reduction 35:58

1y ago35:58

35:58

Prime video engineering team has posted a blog detailing how they moved their live stream monitoring service from microservices to a monolith reducing their cost by 90%, let us discuss this0:00 Intro2:00 Overview10:35 Distributed System Overhead21:30 From Microservices to Monolith 29:00 Scaling the Monolith32:30 Takeawayshttps://www.primevideotech.…

1
A Deep Dive in How Slow SELECT * is 39:23

1y ago39:23

39:23

Fundamentals of Database Engineering udemy course (link redirects to udemy with coupon)https://database.husseinnasser.comIn a row-store database engine, rows are stored in units called pages. Each page has a fixed header and contains multiple rows, with each row having a record header followed by its respective columns. When the database fetches a …

1
Battle of Khaybar - Attempting Diplomacy 43:48

1y ago43:48

43:48

Khaybar was manned by Jewish tribes that had previously reacted treasonously against the Muslims and had been exiled from Medina in turn. They had already attacked the Muslims once, by participating in the Battle of Khandak, and Prophet Muhammad received intel that those Jewish tribes were again planning to ally with another pagan tribes to attack …

1
Letters to the Persians and Coptics 50:39

1y ago50:39

50:39

Prophet Muhammad continues his outreach to foreign leaders, sending messengrs to the Persian emperor Khosrow II and the Coptic ruler Muqawqis of Alexandria. The outreach teaches us: - Islam was always meant to be globalized, not just for the Arabs. We need to also think deeply about how to universalize the messaging - The way people respond to the …

1
AWS Serverless Lambda Supports Response Streaming 13:14

1y ago13:14

13:14

Lambda now supports Response payload streaming, now you can flush changes to the network socket as soon as it is available and it will be written to the client socket. I think this is a game changing feature 0:00 Intro 1:00 Traditional Lambda 3:00 Server Sent Events & Chunk-Encoding 5:00 What happens to clients? 6:00 Supported Regions 7:00 My thoug…

1
The Cloudflare mTLS vulnerability - A Deep Dive Analysis 43:13

1y ago43:13

43:13

Cloudflare released a blog detailing a vulnerability that has been in their system for nearly two years. it is related to mTLS or mutual TLS and specifically client certificate revocation. I explore this in details 0:00 Intro3:00 The Vulnerability7:00 What happened?8:50 Certificate Revocation12:30 Rejecting certain endpoints 17:00 Certificate Authe…

1
The Virgin Media ISP outage - What happened? 23:23

1y ago23:23

23:23

BGP (Border gateway protocol) withdrawals caused the Virgin media ISP customers to lose their Internet connection. I go into details on this video. 0:00 Intro2:00 What happened?4:11 How BGP works?11:50 Version media withdrawals15:00 Deep dive Fundamentals of Backend Engineering Design patterns udemy course (link redirects to udemy with coupon)https…

1
GitHub SSH key is Leaked - How bad is this? 21:56

1y ago21:56

21:56

GitHub Accidentally Exposed their SSH RSA Private key, this is the message you will get . @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!Someone could be eavesdropping on you…

1
Cookie Hijacking - How Linus Tech Tips got Hacked 13:33

1y ago13:33

13:33

How Linus Tech Tips channel got Hacked In this short video we explain how was it possible for Linux to get hacked with cookies hijacking. 0:00 Intro0:47 TLDR what happened 5:10 Cookies in Chrome7:30 Cookies Hijacking8:46 Session Tokens (Access/Refresh)10:00 Remedies

1
All Postgres Locks Explained | A Deep Dive 49:11

1y ago49:11

49:11

Get my database engineering course https://database.husseinnasser.com In this video I do a deep dive in all locks obtained by postgres, I learned a lot while making this video and hope you enjoy it. 0:00 Intro 2:30 What are Locks? 5:30 Overview of Postgres Locks 9:10 Table-Level Locks 11:40 ACCESS EXCLUSIVE 17:40 ACCESS SHARE 19:00 ROW SHARE 20:15 …

1
Pinterest moves to HTTP/3 25:53

1y ago25:53

25:53

Pinterest moves to HTTP/3 on all their clients and edge CDNs this year. They witnessed interesting gains but not without good lesson learned. The main one was the mismatch of alt-svc vs DNS ttls.I cover this on the next episode of the backend engineering course.0:00 Intro2:00 Moving h2 to h3 through alt-svc5:00 Why HTTP/36:00 HTTP/1 vs HTTP/29:00 T…

1
Why Loom Users got each others’ sessions on March 7th 2023 14:58

1y ago14:58

14:58

On March 7 2023, Loom users started seeing each others data as a result of cookies getting leaked from the CDN. This loom security breach is really critical. Let us discuss 0:00 Intro 1:00 Why Cookies 2:00 How this happens 5:50 What caused it? 7:30 How Loom solved it? 8:20 Reading the RCA 10:30 Remedies…

1
How Discord Stores Trillions of Messages - A deep dive 1:09:20

1y ago1:09:20

1:09:20

Discord engineering goes into details of how they migrated from Cassandra to ScyllaDB, improved the performance of their reads and writes and rearchitected their backend to support the new load. It is an interesting episode lets get into it 0:00 Intro 1:50 Relational vs Distributed 7:00 The Cassandra Troubles 11:00 SnowFlake vs UUID 14:30 B+Tree 19…

1
Dawah to Surrounding Leaders 52:01

1y ago52:01

52:01

With the repreieve provided by the Treaty of Hudaybiyya, Prophet Muhammad can focus on spreading Islam by doing dawah to surrounding leaders. This lecture covers encounters with two prominent leaders: 1. The Abysinnian king Najashi, who converted to Islam 2. The Roman emperor Heraclius, who questioned Abu Sufyan and acertained Prophet Muhammad's le…

1
The Secret Benefits of Hudaybiyya 56:09

1y ago56:09

56:09

The many of the Muslims had seen the Treaty of Hudaybiyya as a humiliating loss, yet Prophet Muhammad knew the treaty paved the way for their ultimate success. This lecture discusses the various ways this treaty helped the Muslims, along with how Allah sent Surah Al-Fath right afterwards to bolden the Muslims and help them understand the victory wh…

Podcasts der er værd at lytte til

Nasser Podcasts

Podcasts der er værd at lytte til

Hurtig referencevejledning