Gopher 2018 shanghai memo

记录一下参加gopher 2018的东西

Go在Grab地理服务中的实践

  • geohash
    基于坐标的hash，快速查找附近的司机

  • goreplay
    流量抓取

  • go-torch
    火焰图

Error handling in Go 2

  • github.com/mpvl/errc
  • github.com/mpvl/errd
  • try & handle
  • refer: Go: the Good, the Bad and the Ugly

Why we design a fast key-value database

  • motivation
  • levelDB, RocksDB
  • LSM Trees/B+ Trees
  • Separate keys from values.
  • Key stored in LSM Tree
  • Value stored in value log.
  • CGO evil

IPFS

  • DHT

Composition in Go

Bazel build //:go

  • Bazel
  • vgo

CGO

  • Soooooooooooo complex

arm64的go工具链

  • go tool
  • go assembler,/………………
  • go build -x test.go