Yuki Morishita
Solutions Architect Apache Cassandra Committer at DataStax Japan, LLC
Yokohama, Japan
Summary
👤
Senior🎓
Top SchoolYuki Morishita is a Solutions Architect and long-time Apache Cassandra committer with 15+ years building enterprise-grade, distributed systems and big data solutions. Based in Yokohama, he blends hands-on engineering in JavaEE, Python, JavaScript, Cassandra and Hadoop with client-facing architecture and business analysis skills honed at DataStax and Future Architect. He has led large development teams and internal strategy groups while translating executive priorities into robust system designs and prototypes. An active maintainer on the widely used cassandra-ccm tooling, he has improved cluster lifecycle, logging and debugging workflows that benefit Cassandra adopters globally. Multilingual in Japanese, English, Chinese and French, he routinely bridges technical and business stakeholders across cultures. He brings a practical, product-minded approach to open source and enterprise deployments, favoring observable, debuggable systems.
15 years of coding experience
University of Wisconsin-MadisonCS, Multimedia network, CS, Multimedia network at Kyushu University
Stackoverflow
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Github Skills (11)
python10
cassandra10
scripting10
cassandra-database10
configuration-management9
debugging9
command-line-interface8
command-line8
cli8
automations7
automation7
Programming languages (9)
Github contributions (5)
apache/cassandra-ccm
Dec 2011 - Oct 2015
Apache Cassandra® Cluster Manager (CCM) – easily create and destroy clusters on localhost
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 3 PRs, 2 comments in 3 years 11 months
Contributions summary:Yuki primarily contributed to bug fixes and enhancements related to the `ccm` tool. They addressed issues such as fixing the `populate` function for single integers and fixing node removal. Furthermore, the user made changes to accommodate new directory layouts in Cassandra and added functionality to watch and log files under the logs directory for debugging purposes. The user also improved the tool's functionality by adding the ability to specify log locations and fixing concatenation of jvm arguments.
cassandracluster-managerlocalhost
yukim/cassandra
Feb 2015 - Jun 2026
Mirror of Apache Cassandra (incubating)
Contributions:2 PRs, 125 pushes, 298 branches in 11 years 5 months
cassandra
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