Zhiguo Wu
Java Software Engineer at StartDT
Hangzhou City, Zhejiang, China
Summary
🤩
RockstarZhiguo Wu is a Java software engineer with eight years of experience building and hardening backend systems and developer tooling from Hangzhou. He contributes actively to prominent open-source projects—including Apache Dubbo, Ambari, Bigtop and Databend—where his work ranges from fixing memory leaks and adding unit tests to integrating big data stacks and containerized Ambari development environments. At StartDT he focuses on scalable Java services and infrastructure, with hands-on expertise in RPC/microservices, service discovery, SQL parsing, and Kerberos-enabled dev environments. Known for pragmatic fixes and improving test coverage, he blends production-grade reliability with practical DevOps automation. Notably, he has implemented nuanced features like publishInstance toggles, case-insensitive UDF parsing, and multi-container Ambari setups that accelerate contributor workflows.
8 years of coding experience
Github Skills (53)
application-framework10
docker10
apache-dubbo10
python10
back-end-development10
testing10
app-framework10
configuration-management10
microservices-application10
big-data10
bash10
dockers10
java10
javas10
rpc10
Programming languages (13)
Github contributions (5)
apache/ambari
Aug 2022 - Jan 2023
Apache Ambari simplifies provisioning, managing, and monitoring of Apache Hadoop clusters.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:125 reviews, 105 commits, 317 PRs in 4 months
Contributions summary:Zhiguo's primary contribution involves introducing and integrating the BIGTOP stack, which is a significant feature addition related to data processing. This includes the creation and modification of configuration files in python, specifically in a before-START hook for services. The user also made changes in resource_management libraries, suggesting improvements in infrastructure.
provisioningpythonclustersjavascriptapache
apache/bigtop
Jul 2022 - Dec 2022
Bigtop is an Apache Foundation project for Infrastructure Engineers and Data Scientists looking for comprehensive packaging, testing, and configuration of the leading open source big data components.
Role in this project:DevOps Engineer
DevOps EngineerContributions:17 reviews, 35 commits, 48 PRs in 5 months
Contributions summary:Zhiguo's commits primarily focus on setting up and configuring a development environment for the `apache/bigtop` repository, specifically related to Docker containers and Ambari mpack integration. This involves the creation of a multi-container setup including Ambari server and agents, configuring networking and host files, and installing and configuring Kerberos for the development environment. The user also made changes to rpm build scripts to support parent directory configuration. They also added support for Zeppelin and Solr and other component build scripts.
javaapachebig-databigtop
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