{ALACC}: Accelerating Restore Performance of Data Deduplication Systems Using Adaptive {Look-Ahead} Window Assisted Chunk Caching

Z Cao, H Wen, F Wu, DHC Du - 16th USENIX Conference on File and …, 2018 - usenix.org
Data deduplication has been widely applied in storage systems to improve the efficiency of
space utilization. In data deduplication systems, the data restore performance is seriously …

Sliding {Look-Back} Window Assisted Data Chunk Rewriting for Improving Deduplication Restore Performance

Z Cao, S Liu, F Wu, G Wang, B Li, DHC Du - 17th USENIX Conference …, 2019 - usenix.org
Data deduplication is an effective way of improving storage space utilization. The data
generated by deduplication is persistently stored in data chunks or data containers (a …

Improving restore speed for backup systems that use inline {Chunk-Based} deduplication

M Lillibridge, K Eshghi, D Bhagwat - 11th USENIX Conference on File …, 2013 - usenix.org
Slow restoration due to chunk fragmentation is a serious problem facing inline chunk-based
data deduplication systems: restore speeds for the most recent backup can drop orders of …

Inde: An inline data deduplication approach via adaptive detection of valid container utilization

L Lin, Y Deng, Y Zhou, Y Zhu - ACM Transactions on Storage, 2023 - dl.acm.org
Inline deduplication removes redundant data in real-time as data is being sent to the storage
system. However, it causes data fragmentation: logically consecutive chunks are physically …

Block locality caching for data deduplication

D Meister, J Kaiser, A Brinkmann - … of the 6th International Systems and …, 2013 - dl.acm.org
Data deduplication systems discover and remove redundancies between data blocks by
splitting the data stream into chunks and comparing a hash of each chunk with all previously …

Reducing fragmentation for in-line deduplication backup storage via exploiting backup history and cache knowledge

M Fu, D Feng, Y Hua, X He, Z Chen… - … on Parallel and …, 2015 - ieeexplore.ieee.org
In backup systems, the chunks of each backup are physically scattered after deduplication,
which causes a challenging fragmentation problem. We observe that the fragmentation …

Improving restore performance for in-line backup system combining deduplication and delta compression

Y Zhang, Y Yuan, D Feng, C Wang… - … on Parallel and …, 2020 - ieeexplore.ieee.org
Data deduplication, though being efficient in removing duplicate chunks, introduces chunk
fragmentation which decreases restore performance. Rewriting algorithms are proposed to …

Assuring demanded read performance of data deduplication storage with backup datasets

YJ Nam, D Park, DHC Du - 2012 IEEE 20th International …, 2012 - ieeexplore.ieee.org
Data deduplication has been widely adopted in contemporary backup storage systems. It not
only saves storage space considerably, but also shortens the data backup time significantly …

Read-performance optimization for deduplication-based storage systems in the cloud

B Mao, H Jiang, S Wu, Y Fu, L Tian - ACM Transactions on Storage (TOS …, 2014 - dl.acm.org
Data deduplication has been demonstrated to be an effective technique in reducing the total
data transferred over the network and the storage space in cloud backup, archiving, and …

Improving the performance of deduplication-based storage cache via content-driven cache management methods

Y Tan, C Xu, J Xie, Z Yan, H Jiang… - … on Parallel and …, 2020 - ieeexplore.ieee.org
Data deduplication, as a proven technology for effective data reduction in backup and
archiving storage systems, is also showing promises in increasing the logical space capacity …