MittOS: Supporting millisecond tail tolerance with fast rejecting SLO-aware OS interface
MittOS provides operating system support to cut millisecond-level tail latencies for data-
parallel applications. In MittOS, we advocate a new principle that operating system should …
parallel applications. In MittOS, we advocate a new principle that operating system should …
GearDB: A GC-free key-value store on HM-SMR drives with gear compaction
Host-managed shingled magnetic recording drives (HM-SMR)[2] give a capacity advantage
to harness the explosive growth of data. Applications where data is sequentially written and …
to harness the explosive growth of data. Applications where data is sequentially written and …
[PDF][PDF] A light-weight compaction tree to reduce I/O amplification toward efficient key-value stores
Log-Structure merge tree (LSM-tree) has been one of the mainstream indexes in key-value
systems supporting a variety of write-intensive Internet applications in today's data centers …
systems supporting a variety of write-intensive Internet applications in today's data centers …
{SMRSTORE}: A Storage Engine for Cloud Object Storage on {HM-SMR} Drives
S Zhou, E Xu, H Wu, Y Du, J Cui, W Fu, C Liu… - … USENIX Conference on …, 2023 - usenix.org
Cloud object storage vendors are always in pursuit of better cost efficiency. Emerging
Shingled Magnetic Recording (SMR) drives are becoming economically favorable in …
Shingled Magnetic Recording (SMR) drives are becoming economically favorable in …
Evolving ext4 for shingled disks
Drive-Managed SMR (ShingledMagnetic Recording) disks offer a plug-compatible higher-
capacity replacement for conventional disks. For non-sequential workloads, these disks …
capacity replacement for conventional disks. For non-sequential workloads, these disks …
Performance evaluation of host aware shingled magnetic recording (HA-SMR) drives
Shingled Magnetic Recording (SMR) drives can benefit large-scale storage systems by
reducing the Total Cost of Ownership (TCO) of dealing with explosive data growth. Among …
reducing the Total Cost of Ownership (TCO) of dealing with explosive data growth. Among …
Building efficient key-value stores via a lightweight compaction tree
Log-Structure Merge tree (LSM-tree) has been one of the mainstream indexes in key-value
systems supporting a variety of write-intensive Internet applications in today's data centers …
systems supporting a variety of write-intensive Internet applications in today's data centers …
Building GC-free key-value store on HM-SMR drives with ZoneFS
Host-managed shingled magnetic recording drives (HM-SMR) are advantageous in capacity
to harness the explosive growth of data. For key-value (KV) stores based on log-structured …
to harness the explosive growth of data. For key-value (KV) stores based on log-structured …
[HTML][HTML] Efficient key-value data placement for ZNS SSD
G Oh, J Yang, S Ahn - Applied Sciences, 2021 - mdpi.com
Log-structured merge-tree (LSM-Tree)-based key–value stores are attracting attention for
their high I/O (Input/Output) performance due to their sequential write characteristics …
their high I/O (Input/Output) performance due to their sequential write characteristics …
Data management design for interlaced magnetic recording
Interlaced Magnetic Recording (IMR) is a promising technology which achieves higher data
density and lower write amplification than Shingled Magnetic Recording (SMR) when used …
density and lower write amplification than Shingled Magnetic Recording (SMR) when used …