#distributed (129)

129 notes

2026

(33)

Mar 28

NOTE TF-IDF is one of the most widely used ways to

Distributed Systems #distributed
Mar 26

NOTE Here is an interesting use case of HyperLogLog you probably

Algorithms & Data Structures #distributed
Mar 23

NOTE Counting things seems simple, but at scale, how you count

Distributed Systems #distributed
Mar 22

NOTE There are two ways to build real-time collaboration - either

Distributed Systems #distributed
Mar 19

NOTE One way to avoid getting overwhelmed when you are designing

Distributed Systems #distributed
Mar 10

NOTE When your regular work feels mundane, you can and should

Distributed Systems #distributed
Mar 08

NOTE The "SQL doesn’t scale" argument is a lazy and absurd generalization

Distributed Systems #distributed
Mar 03

NOTE We know database replication is either sync or async, but

Distributed Systems #distributed
Feb 28

NOTE There is a very interesting hashing approach called Robin Hood Hashing

Algorithms & Data Structures #distributed
Feb 27

NOTE I wanted to read engineering blogs on my Kindle, so

Distributed Systems #distributed
Feb 24

NOTE No matter how many blogs, books, or papers you read,

Distributed Systems #distributed
Feb 23

NOTE Say you are building a news aggregator (like Google News

Distributed Systems #distributed
Feb 21

NOTE Deleting a large number of rows (say, a million) in

Distributed Systems #distributed
Feb 15

NOTE Here's something counterintuitive about B+ trees - inserting keys in

Distributed Systems #distributed
Feb 11

NOTE In 2022, I started exploring database internals out of pure

Career Growth #distributed
Feb 09

NOTE Most systems detect node or master failures using simple polling,

Distributed Systems #distributed
Feb 06

NOTE Renaming of a file is an atomic operation, and this

Distributed Systems #distributed
Feb 02

NOTE Rows in PostgreSQL are immutable and stored on the 'heap

Distributed Systems #distributed
Feb 01

NOTE Read replicas are great for scaling reads, but what if

Distributed Systems #distributed
Jan 29

NOTE GitHub stores millions of repositories the same way they exist

Distributed Systems #distributed
Jan 27

NOTE I just wrote and published an essay on Multi-Paxos and

Distributed Systems #distributed
Jan 27

NOTE Paxos has to be one of the trickiest, but also

Distributed Systems #distributed
Jan 22

NOTE Uber open-sourced their M3 metrics platform, and while skimming through

Distributed Systems #distributed
Jan 21

NOTE Here's something interesting about LIKE in SQL - it is

Distributed Systems #distributed
Jan 20

NOTE If protobuf is already a compact binary format, should we

Distributed Systems #distributed
Jan 19

NOTE Time series databases are extremely good at compression, and most

Distributed Systems #distributed
Jan 16

NOTE Wrote an essay on how MySQL binlog replication actually works

Distributed Systems #distributed
Jan 14

NOTE I was exploring MySQL internals and found something clever called

Distributed Systems #distributed
Jan 13

NOTE Looks like filesystems are the next big thing in AI

Distributed Systems #distributed
Jan 06

NOTE Most of us assume that stored procedures are cached globally,

Distributed Systems #distributed
Jan 02

NOTE Redis heavily uses Circular Buffers in its replication implementation to

Distributed Systems #distributed
Jan 01

NOTE everybody loves it when a database just works

Distributed Systems #distributed
Jan 01

NOTE Here is something interesting about memory management in Linux: most

Systems Internals #distributed

2025

(73)

Dec 29

NOTE Wrote an essay on Bloom filters, but not what you would expect

Algorithms & Data Structures #distributed
Dec 27

NOTE ORMs are an anti-pattern once you start operating at scale

Distributed Systems #distributed
Dec 24

NOTE PostgreSQL lets you clone a 6GB database in 212 milliseconds

Distributed Systems #distributed
Dec 23

NOTE Here's something as simple as a distributed build system (using

Distributed Systems #distributed
Dec 23

NOTE Wrote an essay on why time is such a hard

Distributed Systems #distributed
Dec 18

NOTE SQLite has about 155,800 lines of code, and its test

Systems Internals #distributed
Dec 17

NOTE Go 1.26 is not out yet, but the release notes

Distributed Systems #distributed
Dec 14

NOTE Wrote an essay on what Kafka does when we add

Distributed Systems #distributed
Dec 12

NOTE Imagine you are streaming changes from Postgres to Elasticsearch in Go

Distributed Systems #distributed
Dec 10

NOTE Documentation is important, but most do it for the sake

Distributed Systems #distributed
Dec 06

NOTE Cloudflare had another outage, lasting 25 mins, on 5th Dec,

Distributed Systems #distributed
Dec 02

NOTE Py 3.11 is more performant than Py 3.12+ on AWS Lambda

Distributed Systems #distributed
Nov 30

NOTE wrote an essay on terrain generation, the math behind it,

Algorithms & Data Structures #distributed
Nov 25

NOTE Google just tested the largest Kubernetes cluster with 130,000 nodes

Distributed Systems #distributed
Nov 23

NOTE Rule number 1 of multitenancy: never assume all tenants are good actors

Distributed Systems #distributed
Nov 19

NOTE Range-based partitioning is like an amoeba

Distributed Systems #distributed
Nov 16

NOTE Wrote an essay on Blocking Queues, covering the intuition, implementation,

Distributed Systems #distributed
Nov 14

NOTE Google quantum computers are now solving optimization problems that even

Distributed Systems #distributed
Nov 12

NOTE Wrote an essay on Heartbeats in Distributed Systems, capturing both

Distributed Systems #distributed
Nov 07

NOTE If you are building or using a distributed database where

Distributed Systems #distributed
Nov 06

NOTE SQLite 3.51 is out, and here are two things that

Distributed Systems #distributed
Nov 05

NOTE Cloudflare shared some data on Internet connections at scale, and

Distributed Systems #distributed
Nov 04

NOTE I am on a spree to explore PostgreSQL internals, and

Distributed Systems #distributed
Nov 03

NOTE LinkedIn leverages Apache Beam to power their Notification Platform

Distributed Systems #distributed
Oct 31

NOTE Active-active setups are fascinating

Distributed Systems #distributed
Oct 20

NOTE wrote an essay on how writes work in apache cassandra

Distributed Systems #distributed
Oct 17

NOTE Some time back, I spent some time digging deeper into

Algorithms & Data Structures #distributed
Oct 12

NOTE Here's an interesting fact about Redis - while replications on

Distributed Systems #distributed
Oct 11

NOTE PostgreSQL uses lazy pointer swizzling to speed up buffer access,

Algorithms & Data Structures #distributed
Oct 04

NOTE how does a cdn handle content replication

Distributed Systems #distributed
Oct 04

NOTE Zero-copy writes make Kafka fast, but how exactly

Systems Internals #distributed
Sep 25

NOTE Fun Fact - When you commit a transaction in PostgreSQL,

Distributed Systems #distributed
Sep 24

NOTE grpc wouldn't be possible without http/2, but why

Distributed Systems #distributed
Sep 24

NOTE The strength of a good system is not its complexity,

Distributed Systems #distributed
Sep 20

NOTE Today I learned that we can do joins in Elasticsearch

Distributed Systems #distributed
Sep 18

NOTE There is never only one way to design something, and

Distributed Systems #distributed
Sep 11

NOTE Yes, CDN improves latencies by caching things closer to the

Distributed Systems #distributed
Sep 08

NOTE Facebook Messenger moved from NoSQL to SQL for better performance

Algorithms & Data Structures #distributed
Sep 07

NOTE why the private network addresses 192.168

Distributed Systems #distributed
Sep 05

NOTE When I joined Google, I worked on building a Remote

Distributed Systems #distributed
Sep 04

NOTE For every complex problem, there is often a simpler solution

Distributed Systems #distributed
Aug 27

NOTE db nugget (3): in-mem databases do not always lose data upon restart

Distributed Systems #distributed
Aug 26

NOTE db nugget (2): if you want your database to be

Distributed Systems #distributed
Aug 25

NOTE db nugget: uuids bloat indexes

Algorithms & Data Structures #distributed
Aug 21

NOTE research is addictive; just thinking about one problem in one

Distributed Systems #distributed
Aug 16

NOTE Randomness improves algorithms

Distributed Systems #distributed
Aug 12

NOTE Your MySQL index isn’t slow; it's fragmented :) Databases like

Distributed Systems #distributed
Aug 11

NOTE Bloom Filters are more than what you learn from 5-minute

Algorithms & Data Structures #distributed
Aug 08

NOTE if you find some time, do read about robin hood hashing

Algorithms & Data Structures #distributed
Aug 07

NOTE Should two microservices share a database

Distributed Systems #distributed
Aug 04

NOTE When you need high availability, all you really need to

Distributed Systems #distributed
Jul 31

NOTE Timing Attacks are really interesting, and they can be leveraged

Distributed Systems #distributed
Jul 11

NOTE How far can you go vibecoding

Distributed Systems #distributed
Jul 08

NOTE Sometime back, I was going through PostgreSQL internals and found

Distributed Systems #distributed
Jul 03

NOTE High fork times can lead to master unavailability in Redis/Valkey,

Distributed Systems #distributed
Jun 24

NOTE While trying to understand and optimize a nuance in Redis/Valkey,

Systems Internals #distributed
Jun 18

NOTE Fun fact - Yes, most databases use B+ trees to

Distributed Systems #distributed
Jun 13

NOTE Most databases use B+ Trees to hold the data, but

Algorithms & Data Structures #distributed
May 29

NOTE Amazon just made Aurora DSQL generally available

Distributed Systems #distributed
May 29

NOTE Most people get this wrong about the master-replica setup

Distributed Systems #distributed
May 13

NOTE Optimization is a zero-sum game

Distributed Systems #distributed
May 01

NOTE was reading a paper and came across this really good insight

Distributed Systems #distributed
Apr 25

NOTE While reading a paper, I came across the term multi-socket

Distributed Systems #distributed
Apr 24

NOTE If you are into distributed systems, please spend some time

Distributed Systems #distributed
Apr 11

NOTE Common misconception - CDNs can *only* cache images and videos

Distributed Systems #distributed
Mar 23

NOTE One of the best courses I took during my college

Distributed Systems #distributed
Mar 21

NOTE Some time back, in my live cohort, we were discussing

Distributed Systems #distributed
Mar 11

NOTE I learned a neat trick in Go

Distributed Systems #distributed
Mar 05

NOTE The "SQL doesn’t scale" argument is a lazy and an absurd generalization

Distributed Systems #distributed
Mar 04

NOTE Netflix reduced connection churn in its API gateway by 10x

Distributed Systems #distributed
Feb 19

NOTE It's surprising how many engineers I talk to today have

Distributed Systems #distributed
Feb 13

NOTE Time-series databases use a really simple algorithm to compress the

Distributed Systems #distributed
Jan 16

NOTE Sometime back, I got curious about image formats and started

Distributed Systems #distributed

2024

(16)

Dec 20

NOTE Enjoy all the Spotify Wrapped you like, but spare some

Distributed Systems #distributed
Dec 18

NOTE Implement what you read, and read how to make your implementation better

Distributed Systems #distributed
Dec 14

NOTE Most NoSQL databases should have been a jsonb column in PostgreSQL

Distributed Systems #distributed
Nov 21

NOTE Six core computer science projects that I absolutely loved doing

Distributed Systems #distributed
Nov 17

NOTE One of the good coding practices that I picked up

Distributed Systems #distributed
Nov 16

NOTE I was crunching some numbers for JSON vs protobuf and

Distributed Systems #distributed
Oct 02

NOTE Low-level design patterns are great, but beyond a point, they

Distributed Systems #distributed
Aug 27

NOTE I always wondered how we could programmatically ensure variables get

Distributed Systems #distributed
Aug 15

NOTE Build micro-services, not nano-services

Distributed Systems #distributed
Jul 21

NOTE A solution that exists for all, is a solution that

Distributed Systems #distributed
Jul 19

NOTE I saw many engineers blaming the outage on Microsoft 🤦‍♂️

Distributed Systems #distributed
Jan 20

NOTE Writing quick prototypes from scratch is easy, do it, but ⚡

Distributed Systems #distributed
Jan 18

NOTE High-observability is a prerequisite for optimization

Distributed Systems #distributed
Jan 17

NOTE In the world where you have managed databases, should you

Distributed Systems #distributed
Jan 14

NOTE Caching is not the only way to handle the load ⚡

Distributed Systems #distributed
Jan 02

NOTE Nginx is one of the most powerful tools out here,

Distributed Systems #distributed

2023

(3)

Dec 26

NOTE Writing multi-threaded programs is easy, writing correct multi-threaded programs is

Distributed Systems #distributed
Jul 25

NOTE Hardware failure in large infra is not a question of

Distributed Systems #distributed
Mar 13

NOTE I am fascinated by random numbers ⚡

Distributed Systems #distributed

2022

(4)

Oct 06

NOTE was implementing graceful shutdown for some TCP server, and it

Distributed Systems #distributed
Sep 19

NOTE Random numbers that we generate in our programming language are

Distributed Systems #distributed
Jun 04

NOTE Just spend hour and half understanding Shannon Entropy

Distributed Systems #distributed
Mar 13

NOTE There is no better resource to learn anything in-depth than

Distributed Systems #distributed

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