logo
episode-header-image
Feb 2024
9m 8s

Database Background writing

Hussein Nasser
About this episode
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  
Up next
Jun 13
kTLS - Kernel level TLS
Fundamentals of Operating Systems Course https://oscourse.winktls is brilliant.TLS encryption/decryption often happens in userland. While TCP lives in the kernel. With ktls, userland can hand the keys to the kernel and the kernel does crypto. When calling write, the kernel encryp ... Show More
22m 55s
May 9
The beauty of the CPU
If you are bored of contemporary topics of AI and need a breather, I invite you to join me to explore a mundane, fundamental and earthy topic.The CPU.A reading of my substack article https://hnasr.substack.com/p/the-beauty-of-the-cpu 
9m 38s
Apr 18
Sequential Scans in Postgres just got faster
This new PostgreSQL 17 feature is game changer. They know can combine IOs when performing sequential scan. Grab my database coursehttps://courses.husseinnasser.com 
27m 36s
Recommended Episodes
Oct 2016
1.2 Hardware Architecture
In this lecture we learn abut how the computer processes and stores programs. We learn about the CPU, Memory, Storage and Input / Output devices are brought together to write a program. 
12m 15s
Dec 2022
Heavy Networking 660: Writing The Manual – An Insider’s View Of Product Documentation
On today’s Heavy Networking we get inside the process of technical writing and product documentation from a person deep in the trenches of creating docs. We also talk about why writing as a skill might be worth cultivating even if you aren’t responsible for creating the manual. T ... Show More
52m 52s
Mar 2020
Easier Stream Processing On Kafka With ksqlDB
Summary Building applications on top of unbounded event streams is a complex endeavor, requiring careful integration of multiple disparate systems that were engineered in isolation. The ksqlDB project was created to address this state of affairs by building a unified layer on top ... Show More
43m 36s
Sep 2023
Unplugged Volume 14: Metadata - the Secret Sauce, Events and Disk Retirement webinar recap
The intrepid Unplugged crew returns for an exciting Volume 14 where Andrew Miller, JD Wallace and I take on another of Pure's architectural decisions - this time we dig deep into the use of Metadata in the software stack. The extensive use of Metadata enables FlashArray to delive ... Show More
48m 50s
Oct 2018
Using Notebooks As The Unifying Layer For Data Roles At Netflix with Matthew Seal - Episode 54
Summary Jupyter notebooks have gained popularity among data scientists as an easy way to do exploratory analysis and build interactive reports. However, this can cause difficulties when trying to move the work of the data scientist into a more standard production environment, due ... Show More
40m 55s
Aug 2021
Ai startup 9
deepset works to get more meaningful search results. Deepset uses transfer learning, language models, and question and answer to drive search results. Making sense of text data. deepset is an open source company. It uses natural language processing to answer questions using bert. ... Show More
8m 3s
Sep 2022
Data-baeses
Writing data is easy. You take in the information and put it away for future use. It’s remembering exactly what you wrote and where you put it that’s the challenge. Just like having to look for your keys as you try to rush out the door, getting that data quickly makes all the dif ... Show More
29m 5s
Apr 2015
Inferring Authorship (Part 1)
This episode is inspired by one of our projects for Intro to Machine Learning: given a writing sample, can you use machine learning to identify who wrote it? Turns out that the answer is yes, a person’s writing style is as distinctive as their vocal inflection or their gait when ... Show More
8m 51s
Mar 2024
HN727: Kubernetes Networking Essentials
Where there are containers, there is networking. Today we dig into the networking that underlies Kubernetes, the open source orchestration platform for container-based applications. Our guest Karim El Jamali takes us through the essential concepts: Nodes, pods, clusters, CNIs, vi ... Show More
1h 6m