I'm Vonng

Ruohang Feng

Founder / CEO at Pigsty

PostgreSQL Expert, Full-Stack Engineer, Backend Architect @ Apple, TanTan, Alibaba. Individual open source contributor.
Author of Pigsty and Capslock Enhancement. Translator of 《PG Internal》 & 《Designing Data-Intensive Applications》.

Developer
Architect
DBA
SRE
Analyst
Entrepreneur

Skills

Experiences

1
Founder / CEO
PanJiYunShu / Pigsty

Nov 2020 - Present, Beijing

HashiCorp for Database, Redhat for PostgreSQL

Responsibilities:
  • Captain of the ship!

TanTan Co. Ltd

Dec 2017 - Present, Beijing

Tinder in China. The second largest stranger social platform in China

PostgreSQL Expert

Nov 2019 - Present

  • PostgreSQL Distribution/Solution Development
  • Building Infrastructure for DBA and Developers
PostgreSQL DBA

Dec 2017 - Dec 2018

  • Database Administration
2

3
Software Developer ICT4
Apple, APO (ShangHai) Co. Ltd

Dec 2018 - Jun 2019, ShangHai

Apple (AAPL) deliver the best eletronic devices in the world! And we deliver best factory monitoring & tracing system for Apple!

Responsibilities:
  • Trace for iPhone
  • Trace datawarehouse
  • Trace database administration

Alibaba (Beijing) Co. Ltd

Jue 2014 - Dec 2017, Beijing

Data intelligence department of the largetest e-commerace company – Alibaba (BABA)

Full-Stack Developer

Aug 2015 - Dec 2017

  • Project Finplus
  • Project Oplus
  • Umeng Data Platform
  • Knowledge Database
Algorithm Engineer (Intern)

Jue 2014 - Sep 2014

  • Designing and maintain Index for Cloud Recommendation System
4

Projects

DDIA
DDIA
Owner 2018

Chinese translation of 《Designing Data-Intensive Applications》

Star
PG Internal
PG Internal
Owner 2018

Chinese translation of 《PG Internal》. A book about PostgreSQL Kernel

Details
Pigsty
Pigsty
Owner March 2019 - Present

Pigsty —— the Battery-Included Open Source PostgreSQL Distribution.

Star
Capslock
Capslock
Owner 2016

Transform Capslock into a versatile modifier key, improve your productivity tremendously!

Star
PG Exporter
PG Exporter
Owner March 2019 - Present

Prometheus exporter for PostgreSQL & Pgbouncer metrics. With latest PG14 support

Star
ACDAT in Go
ACDAT in Go
Owner 2018

Aho-Corasick Automaton with Double Array Trie. Multi-String substitute simultaneously.

Star
MaxCompute Go SDK
MaxCompute Go SDK
Original Owner 2017

Golang SDK for alibaba’s datawarehouse ODPS (now known as MaxCompute)

Star
Postgres Notes
Postgres Notes
Owner Dec 2017 - Now

Notes, articles, gist, scripts,… . Everything about PostgreSQL.

Star
ISD - Historic Meteorogly Visualization
ISD - Historic Meteorogly Visualization
Owner Sep 2020

Analyze & Visualize NOAA ISD Datasets. Sub-hourly observation records of 30000 meteorology station from 1900-2020.

Star
iTunes Search API for Golang
iTunes Search API for Golang
Owner Sep 2017

Golang wrapper for iTunes Search API. Can be used for crawler. Also Provides a binary tool for quick search.

Star
Adcode
Adcode
Owner Sep 2017

China Administrative Division Data. 5 level data with geo fences. Join from Stats.gov, Ministry of Civil Affairs and Gaode Map.

Star
DB New Order
DB New Order
TL 2021

Upgrade 200+ existing PostgreSQL Instance (1PB) to Pigsty deployment. (CentOS7, PostgreSQL 13)

Database Monitoring
Database Monitoring
TL 2020

Build monitoring , logging , alerting system for databases. Including PostgreSQL, Redis and TTDB.

Architecture Evolution
Architecture Evolution
DBA 2018

Architecture evolution from 20 database to 200 database. Horizontal split and vertical split. Microservice refactor. Ton’s of database migration

Trace for iPhone
Trace for iPhone
Software Developer 2019

Make exising tracing model works on iPhone factories

Trace Data Warehouse
Trace Data Warehouse
Software Developer 2019

Desiging trace data warehouse schema, build ETL & streaming processing pipeline. Rewrite existing logic and makes it 10~100x faster

Trace Database Admin
Trace Database Admin
DBA 2018

Build monitoring infrastructures and backup infrastructure. Handling & analyze database failures. Optimizing slow queries.

Umeng DMP
Umeng DMP
Full-Stack Developer 2017

Designing and managing database system for Umeng. Migrating HBase and MongoDB to Postgres. Build and maintain a knowledge database for DMP.

Details
Oplus
Oplus
Soft-Hardware Developer 2015

Wi-Fi probe for offline user profile. Plays a versatile role in it: Software, Hardware, Ops, DBA, Data Analyst,BD,etc…

Details
Finplus
Finplus
Co-Founder 2016

Architect, tech leader,and 1 of 3 co-founders of Project FinPlus, A toB credit score (FICO) service in China. Intrapreneurship project with tens of millions $ income per year

Details

Achievements

2020 Database Carnival Guest

First TanTan Coding Champoin

PostgreSQL ACE

2019 PGConf China Guest

2021 GOTC Guest

Lecture in Dalian University of Technology

2020 PGConf China Host

Tantan 2021 Carnival Host

Trek on Wusu, Xinjiang

California State Route 1

Mt.Everest East Face Base Trek

Grand Tour

Solo Trek on Rock Shangri-La

Trek on Kanas

Trek on Meili, Mt. Kawagarbo , 2021

Ice Climbing

Manchuria

South Taihong