Saneyasu YAMAGUCHI


Hadoop I/O Performance Improvement by File Layout Optimization
Eita FUJISHIMA Kenji NAKASHIMA Saneyasu YAMAGUCHI 
Publication:   
Publication Date: 2018/02/01
Vol. E101-D  No. 2  pp. 415-427
Type of Manuscript:  PAPER
Category: Data Engineering, Web Information Systems
Keyword: 
Hadoopbig dataHDDfilesystem
 Summary | Full Text:PDF(3.3MB)

Power-Effective File Layout Based on Large Scale Data-Intensive Application in Virtualized Environment
Shunsuke YAGAI Masato OGUCHI Miyuki NAKANO Saneyasu YAMAGUCHI 
Publication:   
Publication Date: 2017/12/01
Vol. E100-D  No. 12  pp. 2761-2770
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Database system
Keyword: 
power consumptionstoragevirtualized environmentDBMS
 Summary | Full Text:PDF(1.6MB)

Improving Dynamic Scaling Performance of Cassandra
Saneyasu YAMAGUCHI Yuki MORIMITSU 
Publication:   
Publication Date: 2017/04/01
Vol. E100-D  No. 4  pp. 682-692
Type of Manuscript:  Special Section PAPER (Special Section on Data Engineering and Information Management)
Category: 
Keyword: 
KVSkey-value storeCassandrapage cache
 Summary | Full Text:PDF(2.1MB)

A Multi-Agent System for Dynamic Network Routing
Ryokichi ONISHI Saneyasu YAMAGUCHI Hiroaki MORINO Hitoshi AIDA Tadao SAITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/10/01
Vol. E84-B  No. 10  pp. 2721-2728
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Issue on Autonomous Decentralized Systems and Systems' Assurance)
Category: Mobile Agent
Keyword: 
multi-hop communicationad hoc networkwireless networkant colonymobile agent
 Summary | Full Text:PDF(560KB)