CPU Profiling: What, How, and When
Follow CPU samples from collection to symbol resolution and visualization, and learn when profiling can help diagnose a bottleneck.
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Writing about storage, distributed systems, and performance engineering — through source code, papers, and practice.
Featured Posts
LevelDB MVCC
Read how LevelDB uses sequence numbers and snapshots to support concurrent access and consistent reads.
Prometheus--TSDB
Explore the design of the Prometheus time-series database, connecting its storage structure to observability workloads.
Borg: Large-scale Cluster Management at Google with Borg
Paper Reading · Part 12 of 12Study how Borg combines admission control, scheduling, and resource sharing to operate large clusters efficiently.