YOSHIDA Hideki
@teikan.bsky.social
nameless writeをバイト単位でやる感じ?
“The magic is that the device assigns sequential addresses to arbitrary strings of data that are streamed to the device, strings of data of arbitrary length. They don’t have to be whole bocks at all. They can be single bytes.”
blocksandfiles.com/2026/02/06/s...
“The magic is that the device assigns sequential addresses to arbitrary strings of data that are streamed to the device, strings of data of arbitrary length. They don’t have to be whole bocks at all. They can be single bytes.”
blocksandfiles.com/2026/02/06/s...
StreamFast: stream arbitrary length data to SSDs with device-assigned addresses and no FTL
Hammerspace founder and EEO David Flynn wants to collapse the data plane into silicon, with zero-DRAM and FTL-free SSDS, and enable sealed, submerged and orbiting data centers in space. He’s set up a...
blocksandfiles.com
February 6, 2026 at 10:34 PM
nameless writeをバイト単位でやる感じ?
“The magic is that the device assigns sequential addresses to arbitrary strings of data that are streamed to the device, strings of data of arbitrary length. They don’t have to be whole bocks at all. They can be single bytes.”
blocksandfiles.com/2026/02/06/s...
“The magic is that the device assigns sequential addresses to arbitrary strings of data that are streamed to the device, strings of data of arbitrary length. They don’t have to be whole bocks at all. They can be single bytes.”
blocksandfiles.com/2026/02/06/s...
どんどん出るのが早くなるASPLOS
dl.acm.org/doi/proceedi...
dl.acm.org/doi/proceedi...
Proceedings of the 31st ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 1 | ACM Conferences
dl.acm.org
December 12, 2025 at 8:29 AM
どんどん出るのが早くなるASPLOS
dl.acm.org/doi/proceedi...
dl.acm.org/doi/proceedi...
普通のサーバの償却期間は前から伸びてますが、高性能GPUで5年以上はさすがに無理がある
xenospectrum.com/michael-burr...
xenospectrum.com/michael-burr...
「世紀の空売り」男マイケル・バーリがファンドを閉鎖：AIへの反逆は失敗か？ | XenoSpectrum
2008年の世界金融危機を正確に予測し、映画『マネー・ショート 華麗なる大逆転』でその名を世界に轟かせた伝説の投資家、Michael
xenospectrum.com
November 15, 2025 at 9:50 PM
普通のサーバの償却期間は前から伸びてますが、高性能GPUで5年以上はさすがに無理がある
xenospectrum.com/michael-burr...
xenospectrum.com/michael-burr...
来週PDSW '25
www.pdsw.org
これが気になる
SlimIO: Lightweight I/O Path Design for Write Isolation in FDP-backed In-Memory Databases
dl.acm.org/doi/10.1145/...
www.pdsw.org
これが気になる
SlimIO: Lightweight I/O Path Design for Write Isolation in FDP-backed In-Memory Databases
dl.acm.org/doi/10.1145/...
Complimentary by FCT
www.pdsw.org
November 11, 2025 at 7:32 AM
来週PDSW '25
www.pdsw.org
これが気になる
SlimIO: Lightweight I/O Path Design for Write Isolation in FDP-backed In-Memory Databases
dl.acm.org/doi/10.1145/...
www.pdsw.org
これが気になる
SlimIO: Lightweight I/O Path Design for Write Isolation in FDP-backed In-Memory Databases
dl.acm.org/doi/10.1145/...
ARM移行じゃなくてマルチISA対応なところがすごい
At Google, the future is multiarch; AI and automation are helping us get there #googlecloud https://cloud.google.com/blog/topics/systems/using-ai-and-automation-to-migrate-between-instruction-sets/
Using AI and automation to migrate between instruction sets | Google Cloud Blog
Google used hard work, automation, and AI to migrate more than 30,000 applications to Arm from x86, advancing the goal of architecture neutrality.
cloud.google.com
October 22, 2025 at 9:26 AM
ARM移行じゃなくてマルチISA対応なところがすごい
APSys '25論文。Linuxカーネルにもう入ったXFSのZNS対応。lifetime hintが効いているらしい
dl.acm.org/doi/abs/10.1...
dl.acm.org/doi/abs/10.1...
Staying in the Zone - Retrofitting Zoned Storage into a Scalable Enterprise File System | Proceedings of the 16th ACM SIGOPS Asia-Pacific Workshop on Systems
dl.acm.org
October 13, 2025 at 8:33 AM
APSys '25論文。Linuxカーネルにもう入ったXFSのZNS対応。lifetime hintが効いているらしい
dl.acm.org/doi/abs/10.1...
dl.acm.org/doi/abs/10.1...
大型投資・買収のニュースにまぎれてますが、Nitro/Trainium/InferentiaのAnnapurnaの人。以前もArmにいたらしい
Exclusive: Arm hires Amazon AI chip director to aid in-house effort reut.rs/4n8KEHF
Exclusive: Arm hires Amazon AI chip director to aid in-house effort
Arm Holdings has hired Amazon.com artificial intelligence chip director Rami Sinno to bolster its plans to develop its own complete chips, according to a person familiar with the matter.
reut.rs
August 19, 2025 at 7:54 AM
大型投資・買収のニュースにまぎれてますが、Nitro/Trainium/InferentiaのAnnapurnaの人。以前もArmにいたらしい
再来週のHotStorageのAccepted Papers
www.hotstorage.org/2025/accepte...
www.hotstorage.org/2025/accepte...
HOTSTORAGE 2025
HOTSTORAGE'25: 17th ACM Workshop on Hot Topics in Storage and File Systems
www.hotstorage.org
June 26, 2025 at 9:16 PM
再来週のHotStorageのAccepted Papers
www.hotstorage.org/2025/accepte...
www.hotstorage.org/2025/accepte...
ハイパースケーラーはまだドライブ物理破壊してるらしい。
従業員が勝手に増設したドライブが見つかるというのも面白い
従業員が勝手に増設したドライブが見つかるというのも面白い
May 26, 2025 at 11:19 PM
ハイパースケーラーはまだドライブ物理破壊してるらしい。
従業員が勝手に増設したドライブが見つかるというのも面白い
従業員が勝手に増設したドライブが見つかるというのも面白い
処理能力が高く省電力な次世代メモリとは
k-tai.watch.impress.co.jp/docs/news/20...
k-tai.watch.impress.co.jp/docs/news/20...
ソフトバンクがAIデータセンター向けの“次世代メモリー”開発に着手、2年間で約30億円を投資
ソフトバンクは8日、同社の2025年3月期 決算説明会で、AIデータセンター向けの“次世代メモリー”の開発に着手すると発表した。製造ではなく、IP（知的財産、ライセンス）事業を想定している。
k-tai.watch.impress.co.jp
May 8, 2025 at 8:22 AM
処理能力が高く省電力な次世代メモリとは
k-tai.watch.impress.co.jp/docs/news/20...
k-tai.watch.impress.co.jp/docs/news/20...
SMRの管理方式の話いろいろ。非SMR領域を真ん中にするとシークが減るとか
dl.acm.org/doi/10.1145/...
dl.acm.org/doi/10.1145/...
Reflecting on the Past 17 Years of Shingled Magnetic Recording for Insights into Future Disk Transitions: A Survey | ACM Transactions on Storage
Shingled magnetic recording (SMR) is a data storage recording technology used in modern
hard disk drives (HDDs) to increase the areal density capacity (ADC) of underlying
media. The research on SMR dr...
dl.acm.org
April 26, 2025 at 9:05 PM
SMRの管理方式の話いろいろ。非SMR領域を真ん中にするとシークが減るとか
dl.acm.org/doi/10.1145/...
dl.acm.org/doi/10.1145/...
handleやdurable appendがCloud Storage FUSEで利用可能に
Colossus: the secret ingredient in Rapid Storage’s high performance #googlecloud https://cloud.google.com/blog/products/storage-data-transfer/how-the-colossus-stateful-protocol-benefits-rapid-storage/
April 10, 2025 at 10:06 PM
handleやdurable appendがCloud Storage FUSEで利用可能に
回転する前提でシステム設計
thessdguy.com/why-ssds-are...
thessdguy.com/why-ssds-are...
Why SSDs are Problematic in Space – The SSD Guy Blog
thessdguy.com
April 1, 2025 at 9:30 PM
回転する前提でシステム設計
thessdguy.com/why-ssds-are...
thessdguy.com/why-ssds-are...
OSDI 2025採択
www.csail.mit.edu/event/tigon-...
www.csail.mit.edu/event/tigon-...
Tigon: A Distributed Transactional Database for a CXL Pod | MIT CSAIL
www.csail.mit.edu
March 30, 2025 at 9:02 PM
OSDI 2025採択
www.csail.mit.edu/event/tigon-...
www.csail.mit.edu/event/tigon-...
CacheSack方式をwrite backキャッシュにも応用
Colossus under the hood: How we deliver SSD performance at HDD prices ##googlecloud https://cloud.google.com/blog/products/storage-data-transfer/how-colossus-optimizes-data-placement-for-performance/
March 26, 2025 at 8:54 PM
CacheSack方式をwrite backキャッシュにも応用
RAGとは違って外部データから直接アテンション作ってLLMに入れる。省資源でハルシネーション少ないそう
Introducing KBLaM, an approach that encodes and stores structured knowledge within an LLM itself. By integrating knowledge without retraining, it offers a scalable alternative to traditional methods. www.microsoft.com/en-us/resear...
March 18, 2025 at 10:11 PM
RAGとは違って外部データから直接アテンション作ってLLMに入れる。省資源でハルシネーション少ないそう
DeepSeek、こんな地味なのもやってたのか
www.tomshardware.com/pc-component...
www.tomshardware.com/pc-component...
DeepSeek brings disruption to AI-optimized parallel file systems, releases powerful new open-source Fire-Flyer File System
3FS brings a new paradigm for AI-HPC training servers, prioritizing random reads above all else
www.tomshardware.com
March 1, 2025 at 11:26 PM
DeepSeek、こんな地味なのもやってたのか
www.tomshardware.com/pc-component...
www.tomshardware.com/pc-component...
SLC/QLCをzoneに見せるのはありそうであまりない
ZnH2: Augmenting ZNS-based Storage System with Host-Managed Heterogeneous Zones
yingjia-wang.github.io/papers/znh2-...
名前が凝ってる…
ZnH2: Augmenting ZNS-based Storage System with Host-Managed Heterogeneous Zones
yingjia-wang.github.io/papers/znh2-...
名前が凝ってる…
February 26, 2025 at 2:18 PM
SLC/QLCをzoneに見せるのはありそうであまりない
ZnH2: Augmenting ZNS-based Storage System with Host-Managed Heterogeneous Zones
yingjia-wang.github.io/papers/znh2-...
名前が凝ってる…
ZnH2: Augmenting ZNS-based Storage System with Host-Managed Heterogeneous Zones
yingjia-wang.github.io/papers/znh2-...
名前が凝ってる…
NetAppはちょっとほしい
ascii.jp/elem/000/004...
ascii.jp/elem/000/004...
今年も出るぞ！「手のひらネットワーク機器」第3弾はF5・NEC・NetApp・シュナイダーが監修
累計販売数25万個以上を超える“ITインフラ機器のカプセルトイ”の新作が、今年も登場する。ターリン・インターナショナルは、「手のひらネットワーク機器」シリーズの第3弾を、2025年6月中旬より全国のカプセルトイ自販機コーナーで発売する。
ascii.jp
February 26, 2025 at 1:29 AM
NetAppはちょっとほしい
ascii.jp/elem/000/004...
ascii.jp/elem/000/004...
ASPLOS Proceedings Volume 1
dl.acm.org/doi/proceedi...
dl.acm.org/doi/proceedi...
Proceedings of the 30th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 1 | ACM Conferences
dl.acm.org
February 7, 2025 at 8:13 AM
ASPLOS Proceedings Volume 1
dl.acm.org/doi/proceedi...
dl.acm.org/doi/proceedi...
dl.acm.org/doi/full/10....
>Compared with other hyperscale infrastructures, we more frequently employ local SSDs to reduce costs, despite the management complexities involved. For instance, imbalanced load distribution can lead to underutilization and stranding of local SSDs.
>Compared with other hyperscale infrastructures, we more frequently employ local SSDs to reduce costs, despite the management complexities involved. For instance, imbalanced load distribution can lead to underutilization and stranding of local SSDs.
Meta’s Hyperscale Infrastructure: Overview and Insights | Communications of the ACM
dl.acm.org
January 23, 2025 at 9:44 PM
dl.acm.org/doi/full/10....
>Compared with other hyperscale infrastructures, we more frequently employ local SSDs to reduce costs, despite the management complexities involved. For instance, imbalanced load distribution can lead to underutilization and stranding of local SSDs.
>Compared with other hyperscale infrastructures, we more frequently employ local SSDs to reduce costs, despite the management complexities involved. For instance, imbalanced load distribution can lead to underutilization and stranding of local SSDs.
持ち上げられる容量で勝負するならM.2とかの方が有利?
spectrum.ieee.org/huge-ssds
spectrum.ieee.org/huge-ssds
AI Is Supersizing Memory Drives
To feed AI's insatiable data appetite, memory drives are getting larger, with no end in sight. Amazingly, this new crop of solid-state drives has the same physical footprint and power budget as their ...
spectrum.ieee.org
January 22, 2025 at 1:21 PM
持ち上げられる容量で勝負するならM.2とかの方が有利?
spectrum.ieee.org/huge-ssds
spectrum.ieee.org/huge-ssds
😢>The various efforts to introduce host-guided data placement present a sorry picture, we see a cycle of new interfaces being introduced, demonstrated, and deprecated within a couple of years.
arxiv.org/abs/2501.00977
arxiv.org/abs/2501.00977
Host-guided data placement: whose job is it anyway?
The increasing demand for SSDs coupled with scaling difficulties have left manufacturers scrambling for newer SSD interfaces which promise better performance and durability. While these interfaces red...
arxiv.org
January 5, 2025 at 11:16 PM
😢>The various efforts to introduce host-guided data placement present a sorry picture, we see a cycle of new interfaces being introduced, demonstrated, and deprecated within a couple of years.
arxiv.org/abs/2501.00977
arxiv.org/abs/2501.00977