Performance Evaluation and Optimization of NoSQL Databases with High-Performance Flash SSDs

고성능 플래시 SSD 환경에서 NoSQL 데이터베이스의 성능 평가 및 최적화

  • 한혁 (동덕여자대학교 컴퓨터학과)
  • Received : 2017.03.06
  • Accepted : 2017.06.27
  • Published : 2017.07.28


Recently, demands for high-performance flash-based storage devices (i.e., flash SSD) have rapidly grown in social network services, cloud computing, super-computing, and enterprise storage systems. The industry and academic communities made the NVMe specification for high-performance storage devices, and NVMe-based flash SSDs can be now obtained in the market. In this article, we evaluate performance of NoSQL databases that social network services and cloud computing services heavily adopt by using NVMe-based flash SSDs. To this end, we use NVMe SSD that Samsung Electronics recently developed, and the SSD used in this study has performance up to 3.5GB/s for sequential read/write operations. We use WiredTiger for NoSQL databases, and it is a default storage engine for MongoDB. Our experimental results show that log processing in NoSQL databases is a major overhead when high-performance NVMe-based flash SSDs are used. Furthermore, we optimize components of log processing and optimized WiredTiger show up to 15 times better performance than original WiredTiger.


Supported by : 동덕여자대학교


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