Advanced Storage SystemsNTHU — Spring 2026
Advanced Storage Systems - LEGO Panorama

Advanced Storage Systems

NTHU — Spring 2026

Build your knowledge, brick by brick.

Are You Laying Bricks Or Building A Cathedral?
NAND Flash Fundamentals

NAND Flash Fundamentals

BasicBasic
Flash Translation Layer

Flash Translation Layer

BasicBasic
SSD Garbage Collection

SSD Garbage Collection

BasicBasic
Write Amplification

Write Amplification

BasicBasic
SSD Steady-State Behavior

SSD Steady-State Behavior

AdvancedAdvanced
Block I/O Fundamentals

Block I/O Fundamentals

BasicBasic
Direct Memory Access

Direct Memory Access

BasicBasic
NVMe Protocol

NVMe Protocol

BasicBasic
io_uring

io_uring

AdvancedAdvanced
Kernel-Bypass I/O

Kernel-Bypass I/O

AdvancedAdvanced
B+Tree

B+Tree

BasicBasic
Slotted Page Layout

Slotted Page Layout

BasicBasic
Bloom Filter

Bloom Filter

BasicBasic
LSM-Tree

LSM-Tree

AdvancedAdvanced
HNSW

HNSW

AdvancedAdvanced
Product Quantization

Product Quantization

AdvancedAdvanced
Inodes & File Metadata

Inodes & File Metadata

BasicBasic
Journaling

Journaling

BasicBasic
Copy-on-Write

Copy-on-Write

BasicBasic
Log-Structured File System

Log-Structured File System

AdvancedAdvanced
Ext4 Internals

Ext4 Internals

AdvancedAdvanced
Error Coding Basics

Error Coding Basics

BasicBasic
Galois Field Arithmetic

Galois Field Arithmetic

BasicBasic
RAID

RAID

BasicBasic
Erasure Coding

Erasure Coding

AdvancedAdvanced
LDPC Codes

LDPC Codes

AdvancedAdvanced
Key-Value Store API

Key-Value Store API

BasicBasic
Buffer Pool

Buffer Pool

BasicBasic
Data Compression

Data Compression

BasicBasic
Inverted Index

Inverted Index

BasicBasic
Deduplication

Deduplication

AdvancedAdvanced
Columnar Storage

Columnar Storage

AdvancedAdvanced
Model Quantization

Model Quantization

AdvancedAdvanced

Projects

To Be Announced

To Be Announced

Papers

SSD-iq: Uncovering the Hidden Side of SSD Performance

SSD-iq: Uncovering the Hidden Side of SSD Performance

PVLDB 2025

ZNS: Avoiding the Block Interface Tax for Flash-based SSDs

ZNS: Avoiding the Block Interface Tax for Flash-based SSDs

USENIX ATC 2021

B-Trees Are Back: Engineering Fast and Pageable Node Layouts

B-Trees Are Back: Engineering Fast and Pageable Node Layouts

SIGMOD 2025

Co-design of B+-Tree Index with Emerging Zone Interfaces

Co-design of B+-Tree Index with Emerging Zone Interfaces

ACM TACO 2025

What Modern NVMe Storage Can Do, And How To Exploit It

What Modern NVMe Storage Can Do, And How To Exploit It

PVLDB 2023

DuckDB on xNVMe

DuckDB on xNVMe

arXiv 2025

Write-Aware Timestamp Tracking: Effective and Efficient Page Replacement

Write-Aware Timestamp Tracking: Effective and Efficient Page Replacement

PVLDB 2023

WiscKey: Separating Keys from Values in SSD-Conscious Storage

WiscKey: Separating Keys from Values in SSD-Conscious Storage

FAST 2016

Fast Commit for Ext4

Fast Commit for Ext4

USENIX ATC 2024

EROFS: A Compression-Friendly Readonly File System for Resource-Scarce Devices

EROFS: A Compression-Friendly Readonly File System for Resource-Scarce Devices

USENIX ATC 2019

Flash-oriented Coded Storage: Research Status and Future Directions

Flash-oriented Coded Storage: Research Status and Future Directions

ACM TOS 2025

AnyBCQ: Unlocking Multi-Precision Quantization via Binary Coded Representation

AnyBCQ: Unlocking Multi-Precision Quantization via Binary Coded Representation

ICLR 2026

LEANN: A Low-Storage Overhead Vector Index

LEANN: A Low-Storage Overhead Vector Index

arXiv 2025