Zheng Luo

About Zheng Luo

Over 10 years of experience in distributed systems and cloud-native database services:…

Experience

1. Software Engineer

   Microsoft

   Oct 2018 — Present

   Building fundamental layer of Azure Cosmos DB, focusing on control plane, frontend service and high availability.• Build high available meta data store for Cosmos DB, including all falling back mechanism if meta data store is not available• Designed, built, implemented subregion mechanism for to support future capacity growth. • Use workflows and operations to handle long running resource allocation operations with idempotency and checkpointing• Works on distributed run-time on manageability, CRUD operations, configuration change operations for users • Deep understanding of Cosmos DB control plane, high availability replication, elastic capacityAzure Cosmos DB is a globally distributed, multi-model database-as-a-service featuring:• Turnkey Global Distribution - automatically replicate data to any number of regions worldwide to achieve high availability and low-latency for global user base at the click of a button. complete with tunable well-defined consistency semantics.• Multi-model - use key-value, graph, and document data in one service, at global scale and without worrying about schema or index management.• Elastic Scale - elastically and transparently scale-out storage and throughput to seamlessly scale from 100\'s of requests per second to of requests per second over a petabyte of data. • Guaranteed low latency - write-optimized, latch-free database engine that guarantees <10ms @ P99 for single-document reads and <15ms @ P99 single-document writes.• Fully-Managed w/ comprehensive SLAs - complete with 99.99% Availability SLA along with extra guarantees on throughput, latency, and consistency.To learn more, check out our website (http://azurecosmosdb.com); and please feel free to ping me if you have any questions or would like any help.

Education

• Sichuan University

  Bachelor of Science (BS), Finance, General

• Washington University in St. Louis

  Masters of Science, Computer Science

• Sichuan University

  Bachelor of Science (BS), Software Engineering

Skills

• Shell Scripting
• Linux System Administration
• Databases
• Program Evaluation and Review Technique (Pert)
• Network Programming
• C
• Computer Science
• Linux
• Python
• Research
• Data Analysis
• Algorithm Development
• Perl
• Sql
• Design Patterns
• C++
• Perforce
• Programming
• Os X
• Data Structures
• Reviewboard
• Java
• Git
• Gnu Octave
• Bash
• Javascript
• Software Development
• Object Oriented Design
• Algorithms