xhu.buzz

Some random stuff from Xiaofan Hu.

Handles:

• Twitter
• Github
• LinkedIn
• Goodreads

About me: I’m a software developer with experiences of web development, system programming, time series database optimization and development, SRE, a few more other things. I like solving hard real-world problems.

Skill keywords: Go, C/C++, Bash, Linux, Perl, Rust, JS, Web Development, Time Series DB, etc.

Blogs/Works:

• graphite/go-carbon works
  • How To Shrink Whisper Files
  • To glob 10M metrics: Trie * DFA = Tree² for Go-Carbon (the graphite storage node daemon)
  • Concurrent Trie
  • Quotas
  • Interesting/Memorable Bug Fixes and Performance Enhancements
    • quota: throughput racy enforcement bug fixes
    • trie: stop indexing empty directory nodes
    • quota: adopt a more performant throughput throttling implementation
    • go-whisper: 0.0/0.0 is NAN
• bpftrace
  • bpftrace+perldtrace usages
  • Debugging kernel cpu time with luck, unwinding perl stack with bpftrace
  • Using bpftrace on Go programs
• talks
  • Whispering in the trees
  • Go-Graphite (Go-Carbon) Quota
• random
  • A Golang 3D Bin Packing Implementation