Big List of 20 Common Bottlenecks highscalability.com/big-list… In Zen And The Art Of Scaling, Sullivan offered an interesting conjecture: there are 20 classic bottlenecks. In practice we all know bottlenecks come in infinite flavors, all tasting of sour and ash.

Life Beyond Distributed Transactions queue.acm.org/doi/10.1145/30… Practical approaches used in the implementation of large-scale mission-critical applications in a world that rejects distributed transactions.

Git at any scale cursor.com/blog/git-at-any-s… Twenty years after Linus Torvalds created it, Git has become an industry standard. The average company rely on a centralized host. And hosting a Git repository, it turns out, is an incredibly hard thing to do.

On building scalable control planes allthingsdistributed.com/202… On the surface, the control plane looks quite boring: it records what should exist and reconciles that with what actually does.

Making 768 servers look like 1 planetscale.com/blog/making-… A single database server cannot handle such demand, so we must spread the queries and data out across many servers with database sharding.

Client-Side Load Balancing at a Million Requests Per Second engineering.zalando.com/post…

Aurora DSQL: Scalable, Multi-Region OLTP brooker.co.za/blog/2026/07/1… Paper: arxiv.org/abs/2607.13276

How TLA+ Caught a Silent Data Divergence Bug in Postgres’s pg_rewind multigres.com/blog/tla-pg-re…

Queues Don't Fix Overload ferd.ca/queues-don-t-fix-ove… To oversimplify things, most of the projects I end up working on can be visualized as a very large bathroom sink. User and data input are flowing from the faucet, down 'till the output of the system[..]

Simple and Correct Snapshot Isolation remy.wang/blog/si.html Snapshot isolation (SI) is a popular approach to concurrency control in databases systems. It avoids many forms of anomalies, yet provides a high degree of concurrency, especially for read-heavy workloads.