Crónica de una escala anunciada

1. Crónica de una escala anunciada npm i dschenkelman
2. Building a product
3. Demand
4. Stabilize
5. Auth API Identity provider DB Scenario Client
6. Expected response times
7. Actual response times
8. Admit the problem
9. The problem
10. Flame graphs
11. T-shirt time
12. Password Hashing app.post('/authenticate', (req, res) => { // fetch the user by req.username from db db.users.findOne({ email: req.body.email }, (err, user) => { ... // compare bcrypt for req.password to db hash const success = bcrypt.compare(req.body.password, user.passwordHash); res.send(success ? 200 : 401); }); });
13. Scale
14. Faster Hash
15. Caching
16. Scale up
17. Multiple IdP instances ELB IdP IdP IdP IdP
18. BaaS app.use('/login', (req, res) => { // fetch the user by req.username from db db.users.findOne({ email: req.body.email }, (err, user) => { ... // compare bcrypt for req.password to db hash baas.compare(req.body.password, user.passwordHash).then((e success) => { res.send(err || !success ? 401 : 200); }); }); });
19. Auto Scaling Identity provider ELB BaaS BaaS BaaS BaaS
20. Cost comparison Price / (1M req) #req per sec / vCPU t2-micro $0.36 10.00 t2-medium $0.76 9.50 c4-large $1.53 10.00 c3-8xlarge $1.64 8.88
21. Fail gracefully
22. Bye
23. Links • http://security.stackexchange.com/a/83382 • http://www.brendangregg.com/FlameGraphs/ cpuflamegraphs.html • https://github.com/thlorenz/v8-perf/issues/4 • https://github.com/auth0/node-baas • http://docs.aws.amazon.com/AutoScaling/latest/ DeveloperGuide/US_SetUpASLBApp.html • https://gist.github.com/trevnorris/9616784
24. Thanks https://github.com/dschenkelman/bcrypt-sample @dschenkelman npm i dschenkelman