{MIDAS}: Minimizing Write Amplification in {Log-Structured} Systems through Adaptive Group Number and Size Configuration

S Oh, J Kim, S Han, J Kim, S Lee, SH Noh - 22nd USENIX Conference on …, 2024 - usenix.org
Log-structured systems are widely used in various applications because of its high write
throughput. However, high garbage collection (GC) cost is widely regarded as the primary …

Catdog: Cost-age-time data organized garbage collection

D Lee, Y Jin, H Jang, B Lee - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
This paper proposes the Cost-Age-Time Data Organized Garbage Collection (CATDOG)
scheme, which clusters data based on their update frequencies to reduce the overhead of …

An Innovative Bridge Layer Access Control Method to Improve SSD Utilization

F Jiang, Y Cheng, T Zhang - NOMS 2024-2024 IEEE Network …, 2024 - ieeexplore.ieee.org
Due to the characteristics of" erase-before-write" and" page write, block erase", SSDs will
perform out-of-place updates. Out-of-place updates will produce a large number of …

Cost-Age-Time Data Organized Garbage Collection

D Lee - 2022 - ir.library.oregonstate.edu
NAND flash based solid state drives (SSDs) require out-of-place updating due to the
characteristics of flash memories. In addition, due to the mismatched granularity between …