A fragmentation-aware redundancy elimination scheme for inline backup systems
Data deduplication is a widely employed technique in backup systems to enhance storage
efficiency by eliminating duplicate chunks. Delta compression is a technique that …
efficiency by eliminating duplicate chunks. Delta compression is a technique that …
Reducing chunk fragmentation for in-line delta compressed and deduplicated backup systems
Chunk-level deduplication, while robust in removing duplicate chunks, introduces chunk
fragmentation which decreases restore performance. Rewriting algorithms are proposed to …
fragmentation which decreases restore performance. Rewriting algorithms are proposed to …
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 …
fragmentation which decreases restore performance. Rewriting algorithms are proposed to …
Ensuring high reliability and performance with low space overhead for deduplicated and delta‐compressed storage systems
Data deduplication is a widely used technique to remove duplicate data to reduce the
storage overhead. However, deduplication typically cannot eliminate the redundancy among …
storage overhead. However, deduplication typically cannot eliminate the redundancy among …
Applying Delta Compression to Packed Datasets for Efficient Data Reduction
Y Zhang, H Jiang, C Wang, W Huang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Backup systems often adopt deduplication techniques for data reduction. Real-world backup
products often group files into larger units (called packed files) before deduplicating them …
products often group files into larger units (called packed files) before deduplicating them …
DASM: A dynamic adaptive forward assembly area method to accelerate restore speed for deduplication-based backup systems
Data deduplication yields an important role in modern backup systems for its demonstrated
ability to improve storage efficiency. However, in deduplication-based backup systems, the …
ability to improve storage efficiency. However, in deduplication-based backup systems, the …
{LoopDelta}: Embedding Locality-aware Opportunistic Delta Compression in Inline Deduplication for Highly Efficient Data Reduction
As a complement to data deduplication, delta compression further reduces the data volume
by compressing non-duplicate data chunks relative to their similar chunks (base chunks) …
by compressing non-duplicate data chunks relative to their similar chunks (base chunks) …
Improving restore speed for backup systems that use inline {Chunk-Based} deduplication
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 …
data deduplication systems: restore speeds for the most recent backup can drop orders of …
Improving restore performance in deduplication-based backup systems via a fine-grained defragmentation approach
In deduplication-based backup systems, the removal of redundant data transforms the
otherwise logically adjacent data chunks into physically scattered chunks on the disks. This …
otherwise logically adjacent data chunks into physically scattered chunks on the disks. This …
Efficient hybrid inline and out-of-line deduplication for backup storage
Backup storage systems often remove redundancy across backups via inline deduplication,
which works by referring duplicate chunks of the latest backup to those of existing backups …
which works by referring duplicate chunks of the latest backup to those of existing backups …