Title

I/O Stack Optimization of Distributed Storage Nodes Using In-Storage Indexing

Alternative Title

인-스토리지 인덱싱을 활용한 분산 스토리지 노드의 I/O 스택 최적화

DGIST Authors

Han Soyoung ; Sungjin Lee ; Hoonsung Chwa

Advisor

이성진

Co-Advisor(s)

Hoonsung Chwa

Issued Date

2024

Awarded Date

2024-02-01

Citation

Han Soyoung. (2024). I/O Stack Optimization of Distributed Storage Nodes Using In-Storage Indexing. doi: 10.22677/THESIS.200000724956

Type

Thesis

Description

Distributed File Systems; Ceph File System; RADOS Object; Key-value SSD; 분산 파일 시스템; Ceph 파일 시스템; RADOS 오브젝트; 키-밸류 SSD

Table Of Contents

Ⅰ. Introduction 1
Ⅱ. Background
2.1 Ceph RADOS 2
2.2 Ceph MDS 3
2.3 Ceph OSD 4
2.3.1 BlueStore 5
2.4 KVSSD 6
2.4.1 KEVINSSD 7
Ⅲ. Motivation
3.1 Ineffective Dentry Management 8
3.2 Journaling Overhead 9
Ⅳ. Analysis
4.1. Ceph Operation Flow with BlueStore 10
4.2. SET Operation Traffic 11
Ⅴ. Design 12
Ⅵ. Experiments
6.1. Experiments Setup 13
6.2. Removing Dentry Operation 14
6.3 GET Latency 15
Ⅶ. Conclusion 16

URI

http://hdl.handle.net/20.500.11750/48114
http://dgist.dcollection.net/common/orgView/200000724956

DOI

10.22677/THESIS.200000724956

Degree

Master

Department

Department of Electrical Engineering and Computer Science

Publisher

DGIST

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