A few obvious conclusions are that SLC SSDs are priced roughly the same as memory. In a sense SLC SSDs are better than memory since they are persistent, but if keeping all your data in memory sounds expensive then so will SLCs. And in any cas... 続きを読む
はじめに 皆様こんにちは。ストレージアーキテクトの矢澤祐司です。 Yahoo! JAPANにて利用されているマルチペタバイトなストレージ達と仲良く過ごしている私なのですが、今回はFlashCacheを用いたI/Oの最適化について検証した結果の一部を皆様にご紹介させてい... 続きを読む
SAMSUNG FSWD SAMSUNG Object-based SSD (OSSD): Our Practice and Experience Jaesoo Lee jaesu.lee@samsung.com Flash Solution Team, Memory Division Samsung Electronics Co. SAMSUNG Outline Part 1. OSD and Object-based SSD Introduction Our Practic... 続きを読む
◎PCパーツ SOFMAP、TSUKUMO、ドスパラ、FAITH、PCワンズ、クレバリー ◎BTO可能なPC TSUKUMO、ドスパラ、SYCOM、 クレバリー、FAITH、PCワンズ ◎PCパーツ長者、CPU 価格比較、M/B 価格比較、上海問屋、A-PRICE、Amazon -------------------------------------... 続きを読む
IntelのSerial ATA 6Gbps対応MLC SSDをPCとPS3で動かしてみる Intel SSD 510 Text by 宮崎真一 SSD 510 メーカー:Intel 問い合わせ:インテル カスタマー・サポート 0120-868686(平日9:00〜17:00) 予想実売価格:5万6000〜5万8000円程度,2万6000〜2万800... 続きを読む
tachIOn™ Solid State Disk The widening speed gap between servers and storage hinders application scalability and lowers data center efficiency, slowing down key initiatives such as dynamic cloud computing deployments. This has led to a growi... 続きを読む
[ Path: > Evan Jones' Scratch Pad | Written by Evan Jones ] [ 2010-August-25 10:49 ] I have been testing an Intel SSD (X25-M G2) to see if it stores data durably, meaning that if the disk claims the data has been written, it actually survives... 続きを読む
I wrote about FlashCache there, and since that I run couple benchmarks, to see what performance benefits we can expect. For initial tries I took sysbench oltp tests ( read-only and read-write) and case when data fully fits into L2 cache. I ma... 続きを読む
ioXtreme and ioXtreme Pro The ioXtreme and ioXtreme Pro PCI Express solid state storage devices boost productivity for I/O intensive workstation applications. The ioXtreme Pro adds proprietary X-Link layering technology that allows you to sca... 続きを読む
This is the second in a series of posts from the Last.fm engineering team covering the geekier aspects of our recent Last.fm on Xbox LIVE launch. Part one is here. The music streaming architecture at Last.fm is an area of our infrastructure t... 続きを読む
作者 Carlos Armas , 翻訳者 吉田 英人 投稿日 2009年12月20日 午後3時2分 コミュニティ Architecture トピック デプロイ/データセンター タグ MySpace 原文(投稿日:2009/12/14)へのリンク MySpace と Fusion-io は先日,両社がデータセンタの運営コスト低減に... 続きを読む
Grady Lambert,Director Flash Engineer,MART Modular Technologies Scott Glenn, Senior Staff - Business Development, SanDisk and Somnath Viswanath, Product Marketing Manager, Arasan Chip Systems 続きを読む
8月版 SSDをめぐる議論に浮かび上がるベンダ模様 小崎資広 2009/9/8 お久しぶりです。先月は「セキュリティ&プログラミングキャンプ2009」の準備があまりにも忙しくて、急きょお休みしてしまった筆者です。 8月は、2.6.31がリリース間近なこともあり、実験的... 続きを読む
[米国] SSDだけで100TBの容量を実現するストレージが発売 「HDDで同じ性能を得るには1万5,000回転のFC接続HDD数千台が必要」と開発元 (2009年08月06日) 米国Texas Memory Systemsは8月5日、SSD(Solid State Disk)だけで100TBの容量を実現するストレージ「... 続きを読む
RethinkDB is currently available as a developer pre-alpha. Get notified when RethinkDB is ready for your production servers: 続きを読む
Disruptive technology; it's a term thrown around these days by industry marketing types and quite frankly it's just plain getting worn out as of late. In the mid 90s, a Harvard Business School Professor coined this phrase to describe a produ... 続きを読む
It’s difficult to write storage articles at this time and not focus on the upcoming 2.6.30 kernel. Why? This kernel is loaded with a number of new file systems — some of which we’ve already covered, like ext4 and btrfs. Another of the hot ... 続きを読む
●いつまで続く、NANDフラッシュの急速な大容量化 TBクラスのSSDが一般向け製品として出回り、256GBのSSDが手頃価格になるのはいつなのか。SSDとHDDの価格差はどこまで詰まって行き、SSDはどこまでHDDを置き換えるのか。iPodや携帯電話のフラッシュメモリ容量は... 続きを読む
Flash-based DBMS 1. FlashDB: Dynamic Self-tuning Database for NAND Flash, by Suman Nath, Amen Kansal, IPSN’07 2. LGeDBMS: a Small DBMS for Embedded System with Flash Memory, by Gye-Jeong Kim, Seung-Cheon Baek, VLDB'06 3. On the Use of NAND F... 続きを読む
I recently purchased a new toy, an Intel X25-M SSD, and when I was setting it up initially, I decided I wanted to make sure the file system was aligned on an erase block boundary. This is a generally considered to be a Very Good Thing to do ... 続きを読む