Yuuki TSUBOUCHI

Click here for Japanase page. https://yuuk.io

Contacts

• E-mail main job y-tsubouchi (at) sakura.ad.jp, side job yuki.tsubo (at) gmail.com
• Slides: https://speakerdeck.com/yuukit

Biography

He is a Site Reliability Engineering(SRE) Researcher working at SAKURA internet Research Center.

Affiliations

• SAKURA internet Research Center: Researcher
• Department of Inteligence Science and Technology, Graducate School of Informatics, Kyoto University: Doctor of Informatics (Candidate) (to appear)
• IPSJ SIG Internet and Operation Technology: Steering committee

Academic Societies

• IPSJ
• ACM
• IEEE Computer Society

Specialties

• Site Reliability Engineering
• Data-Intensive Applications

Current Research Themes

• Time series database for systems monitoring
• Tracing network services depdendencies in distributed systems
• Distributed and coordinated proxy for query result caching

Publications

International Journal (Refereed)

1. Yuuki Tsubouchi, Hirofumi Tsuruta, MetricSifter: Feature Reduction of Multivariate Time Series Data for Efficient Fault Localization in Cloud Applications, IEEE Access (ACCESS), Vol.12, pp.37398-37417, March 2024. [code]
2. Yuuki Tsubouchi, Masayoshi Furukawa, Ryosuke Matsumoto, “Low Overhead TCP/UDP Socket-based Tracing for Discovering Network Services Dependencies”, Journal of Information Processing (JIP), Vol.30, pp.260-268, 2022. [paper] [code].

International Conference（Refereed）

1. Yuuki Tsubouchi, Masahiro Furukawa, Ryosuke Matsumoto, “Transtracer: Socket-Based Tracing of Network Dependencies among Processes in Distributed Applications”, The 1st IEEE International COMPSAC Workshop on Advanced IoT Computing (AIOT 2020), July 2020.
2. Yuuki Tsubouchi, Asato Wakisaka, Ken Hamada, Masayuki Matsuki, Hiroshi Abe, Ryosuke Matsumoto, “HeteroTSDB: An Extensible Time Series Database for Automatically Tiering on Heterogeneous Key-Value Stores”, Proceedings of The 43rd Annual IEEE International Computers, Software & Applications Conference (COMPSAC), pp. 264-269, July 2019. [paper] [slide]

OSS

• Transtracer
  • [Proof of Concept] A socket-based tracing infrastructure for discovering dependencies of distributed applications
• DiamonDB
  • Rebuild of Time Series Database on AWS.
• Droot
  • A super-simple container with chroot without docker.
• gokc
  • Yet Another Keepalived Syntax Checker in Golang.
• lstf
  • The Linux netlink-based TCP connection flow printer.
• albio
  • A CLI tool to gracefully manage EC2 instances with ALB/NLB.
• grabeni
  • An ops-friendly AWS Elastic Network Interface (ENI) attachment grabbing tool.
• mkr
  • Command Line Tool for Mackerel.
• mackerel-client-go
  • Mackerel API Client in Go.
• cookbook-mackerel-agent
  • Chef cookbook for mackerel-agent installation.
• ansible-mackerel-agent
  • An Ansible role for mackerel-agent.
• Coteng
  • Lightweight Teng O/R Mapper.

Job Experiences

• Researcher at SAKURA internet Inc., Feb 2019 - Present
  • Researching cloud monitoring and data-intensive applications.
• Site Reliability Engineer at Hatena Co., Ltd, Dec 2013 - Dec 2018
  • A senior engineer.
  • Developing and operating a systems platform and Mackerel, a server monitoring service.
  • Developing a time series database.
• Internship at Hatena Co., Ltd., Summer, 2011.
  • Application development for Hatena Bookmark

Education

• Doctor of Informatics (Candidate), April 2020 – Present.
  • Department of Inteligence Science and Technology, Graducate School of Informatics, Kyoto University, Japan
  • Major: Network Media
• Master of Information Science (Dropout), April 2012 - October 2013.
  • Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, Japan
  • Major: Ubiquitous Network
• Bachelor of Engineering, April 2008 - March 2012.
  • Department of Information and Computer Sciences, School of Engineering Science, Osaka University, Japan
  • Major: Computer Science