Stories by r4um

Performance Tuning Linux Instances on EC2

Memcached design and comparison with Redis

Persistent Vector Performance

Linux: Some closure on a particularly nasty bug

RFC Reader

The Eternal Mainframe (2013)

Linux Page Cache Hit Ratio

Clojure: Creating a reducible repeat

What's in a Var?

Scalability Techniques for Practical Synchronization Primitives

Language is not important

LinkedIn Feed: Faster with Less JVM Garbage

The “Uncanny Valley” of L3 Cache Contention

Colossus: A New Service Framework from Tumblr

When Does Consistency Require Coordination?

The Isomap Algorithm

What sort of allocation rates can servers handle?

Tree visitors in Clojure

OpenBSD Drops Support for Loadable Kernel Modules

Redis latency spikes and the 99th percentile

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