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From Python to Java

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Nikolay Stoitsev
Nikolay Stoitsev

This document discusses Uber's growth and engineering challenges over time. It covers topics like Uber reaching 1 billion and 2 billion trips, microservices, tradeoffs between different programming languages, and tools used for building, deploying, and monitoring Uber's systems and services. The document also highlights advantages of various languages and technologies as well as Uber's open source projects that address common problems.

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From Python to Java @stoitsev
June 1st, 2010 - Uber is founded Dec 24th, 2015 - 1bn trips June 18th, 2016 - 2bn trips
every time you think you are here
turns out you are still here
Тradeoffs
Microservices
Users Products Trips Cities Payments Receipts
Best tool for the job
Velocity
Training / Best practices / Documentation / Experts Project template / Bootstrapping Configuration Debuggers Profilers Building, Packaging, Deploying
Solving the same problems multiple times
TChannel clients Auth Schemaless client Logging, configuration, monitoring...
Development Cost
Operational Cost
Code Sharing
Broad Applicability
High Performance
Static Typing
Organizational Scale
Runtime Performance
Lack of concurrency
Community
Powerful toolchains
Ecosystem of high-quality libraries
http://benchmarksgame.alioth.debian.org/u64q/python.html
eng.uber.com/euclid
uReplicator https://github.com/uber/uReplicator
Proven
Momentum
Performance
Geofence
Thanks! eng.uber.com uber.github.io

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