Building software
sari and
Building software
9 years of Apple text editor solo dev
papereditor.app
System Design Interview – An Insider's Guide: Volume 2
amazon.com
Replication lag occurs when there is a delay between a write operation being executed on the primary (leader) node and the same operation being replicated to the secondary (follower) nodes.
Replication lag is a basic issue in leader-based replication systems that are made for better availability, scalability, and faster response times by spreading out read operations across replicas in different locations.
The choice of the routing key in our case was a combination of the unique identifier (UUID) and type of the primary participant of each event in a calendar. This choice was made based on the querying patterns of the consuming application and to maintain a degree of uniqueness.
Improving query performance in ElasticSearch at scale
Cloudflare serves around 20% of the web with 46 million requests a second.
Surely they must have a lot of data.
Where do they store it?
Plain old PostgreSQL. 🐘
Around 15-20 clusters of them.
Each cluster... See more
Software problems tend to evolve over time into philosophy problems, a point that's come up in a few Diff pieces, like the Antithesis writeup and Asana's ontology-as-a-service ($). In this particular category, it's the philosophy of work and vocation: a bond trader, accountant, or social media manager doesn't necessarily have to spend much time... See more