CPU Profiling: What, How, and When
What: What is CPU Profiling A technique for analyzing program CPU performance. By collecting detailed data during program execution (such as function call frequency, time consumption, call stacks, …
Blogs
LevelDB MVCC
LevelDB implements concurrent sstable read/write operations and snapshot reads through MVCC. Let’s examine its implementation. Sequence Number LevelDB uses Sequence Numbers as logical clocks to …
Prometheus--TSDB
Recently got promoted, I took a moment to summarize some of my previous work. A significant part of my job was building large-scale database observability systems, which are quite different from …
Borg: Large-scale Cluster Management at Google with Borg
Borg is a cluster management system, similar to the closed-source version of Kubernetes (k8s). It achieves high utilization through admission control, efficient task packing, overcommitment, machine …
Percolator: Large-scale Incremental Processing Using Distributed Transactions and Notifications
It has been a while since I last studied, and I wanted to learn something interesting. This time, I’ll be covering Percolator, a distributed transaction system. I won’t translate the paper …