isucon-2017's Issues
リンク集めたもの
予選レギュレーション
http://isucon.net/archives/50927022.html
今までに寄せられた質問についてまとめたFAQ(適宜追加)
https://gist.github.com/941/300fb47c4016d32fa4d6291c1a61364d
ISUCON7 予選ポータルサイト
https://portal.isu.k0y.org/
■チーム名:22.5
■チームID:224
■ログインパスワード:Yk6S446cC3RnsJgWDZPmOgNd
Notes
ISUCON
Application
- Add indexes
- Rewrite all
SELECT *
queries - Check for query
LIMIT
- Check for queries inside loops
- Check for unnecessary indexes
- Check for unnecessary
JOIN
andWHERE
conditions - (if it's a slow framework) rewrite into Echo
- Check
go
version on the server - Set content type for response ourselves
Benchmarking
go get github.com/adjust/go-wrk
go-wrk -d 5 http://....
Instrumenting with flame graphs
go get github.com/uber/go-torch
go-torch -t 5
Instrumenting with pprof
import _ "net/http/pprof"
Run go-wrk
for 1 min
go tool pprof --seconds=5 localhost:8080/debug/pprof/profiles
タイムライン 12:00 - 20:00
WHY & WHAT
やったことを振り返れるようにするため。
13:10 ~
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