Alleviating garbage collection interference through spatial separation in all flash arrays
We present SWAN, a novel All Flash Array (AFA) management scheme. Recent flash SSDs
provide high I/O bandwidth (eg, 3-10GB/s) so the storage bandwidth can easily surpass the …
provide high I/O bandwidth (eg, 3-10GB/s) so the storage bandwidth can easily surpass the …
GCaR: Garbage collection aware cache management with improved performance for flash-based SSDs
Garbage Collection (GC) is an important performance concern for flash-based SSDs,
because it tends to disrupt the normal operations of an SSD. This problem continues to …
because it tends to disrupt the normal operations of an SSD. This problem continues to …
Improving the SSD performance by exploiting request characteristics and internal parallelism
With the explosive growth in the data volume, the I/O bottleneck has become an increasingly
daunting challenge for big data analytics. It is urgent and important to introduce high …
daunting challenge for big data analytics. It is urgent and important to introduce high …
{BCW}:{Buffer-Controlled} Writes to {HDDs} for {SSD-HDD} Hybrid Storage Server
S Wang, Z Lu, Q Cao, H Jiang, J Yao, Y Dong… - … USENIX Conference on …, 2020 - usenix.org
Hybrid Storage servers combining high-speed SSDs and high-capacity HDDs are designed
for high cost-effectiveness and provide μs-level responsiveness for applications …
for high cost-effectiveness and provide μs-level responsiveness for applications …
Exploration and exploitation for buffer-controlled HDD-Writes for SSD-HDD hybrid storage server
S Wang, Z Lu, Q Cao, H Jiang, J Yao, Y Dong… - ACM Transactions on …, 2022 - dl.acm.org
Hybrid storage servers combining solid-state drives (SSDs) and hard-drive disks (HDDs)
provide cost-effectiveness and μs-level responsiveness for applications. However …
provide cost-effectiveness and μs-level responsiveness for applications. However …
Improving storage availability in cloud-of-clouds with hybrid redundant data distribution
With the increasing utilization and popularity of the cloud infrastructure, more and more data
are moved to the cloud storage systems. This makes the availability of cloud storage …
are moved to the cloud storage systems. This makes the availability of cloud storage …
Parallelism and garbage collection aware I/O scheduler with improved SSD performance
In this paper, we propose PGIS, a parallelism and garbage collection aware I/O Scheduler,
which identifies the hot data based on trace characteristics to exploit the channel level …
which identifies the hot data based on trace characteristics to exploit the channel level …
HyCache: A user-level caching middleware for distributed file systems
One of the bottlenecks of distributed file systems deals with mechanical hard drives (HDD).
Although solid-state drives (SSD) have been around since the 1990's, HDDs are still …
Although solid-state drives (SSD) have been around since the 1990's, HDDs are still …
POD: Performance oriented I/O deduplication for primary storage systems in the cloud
Recent studies have shown that moderate to high data redundancy clearly exists in primary
storage systems in the Cloud. Our experimental studies reveal that data redundancy exhibits …
storage systems in the Cloud. Our experimental studies reveal that data redundancy exhibits …
Patch-based data management for dual-copy buffers in RAID-enabled SSDs
While a dual-copy redundant array of independent disk (RAID) buffering can remove single
point of failure in the buffer of RAID-enabled solid-state drives (SSDs), it loses a half of buffer …
point of failure in the buffer of RAID-enabled solid-state drives (SSDs), it loses a half of buffer …