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mooz 2017/09/17
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mooz 2014/07/18
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mooz 2014/06/24
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mooz 2013/10/31
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mooz 2013/10/28
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mooz 2012/06/24
linux_kernel

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mooz 2012/05/21
ãƒãƒƒãƒ•ã‚¡ãƒãƒ¼ãŒ MRAM. ãƒ‘ãƒŠã‚½ãƒ‹ãƒƒã‚¯ãŒ ReRAM.

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mooz 2012/03/18
storage

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æ´å²ï¼šReRAM - Wikipedia
è‹±èªžç‰ˆè¨˜äº‹ã‚’æ—¥æœ¬èªžã¸æ©Ÿæ¢°ç¿»è¨³ã—ãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ï¼ˆGoogleç¿»è¨³ï¼‰ã€‚ ä¸‡ãŒä¸€ç¿»è¨³ã®æ‰‹ãŒã‹ã‚Šã¨ã—ã¦æ©Ÿæ¢°ç¿»è¨³ã‚’ç”¨ã„ãŸå ´åˆã€ç¿»è¨³è€…ã¯å¿…ãšç¿»è¨³å…ƒåŽŸæ–‡ã‚’å‚ç…§ã—ã¦æ©Ÿæ¢°ç¿»è¨³ã®èª¤ã‚Šã‚’è¨‚æ£ã—ã€æ£ç¢ºãªç¿»è¨³ã«ã—ãªã‘ã‚Œã°ãªã‚Šã¾ã›ã‚“ã€‚ã“ã‚ŒãŒæˆã•ã‚Œã¦ã„ãªã„å ´åˆã€è¨˜äº‹ã¯å‰Šé™¤ã®æ–¹é‡G-3ã«åŸºã¥ãã€å‰Šé™¤ã•ã‚Œã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ ä¿¡é ¼æ€§ãŒä½Žã„ã¾ãŸã¯ä½Žå“è³ªãªæ–‡ç« ã‚’ç¿»è¨³ã—ãªã„ã§ãã ã•ã„ã€‚ã‚‚ã—å¯èƒ½ãªã‚‰ã°ã€æ–‡ç« ã‚’ä»–è¨€èªžç‰ˆè¨˜äº‹ã«ç¤ºã•ã‚ŒãŸæ–‡çŒ®ã§æ£ã—ã„ã‹ã©ã†ã‹ã‚’ç¢ºèªã—ã¦ãã ã•ã„ã€‚ å±¥æ´ç¶™æ‰¿ã‚’è¡Œã†ãŸã‚ã€è¦ç´„æ¬„ã«ç¿»è¨³å…ƒã¨ãªã£ãŸè¨˜äº‹ã®ãƒšãƒ¼ã‚¸åãƒ»ç‰ˆã«ã¤ã„ã¦è¨˜è¿°ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚è¨˜è¿°æ–¹æ³•ã«ã¤ã„ã¦ã¯ã€Wikipedia:ç¿»è¨³ã®ã‚¬ã‚¤ãƒ‰ãƒ©ã‚¤ãƒ³#è¦ç´„æ¬„ã¸ã®è¨˜å…¥ã‚’å‚ç…§ãã ã•ã„ã€‚ ç¿»è¨³å¾Œã€{{ç¿»è¨³å‘ŠçŸ¥|en|Resistive random-access memory|â€¦}}ã‚’ãƒŽãƒ¼ãƒˆã«è¿½åŠ ã™ã‚‹ã“ã¨ã‚‚ã§ãã¾ã™ã€‚ Wikipedia:ç¿»è¨³ã®ã‚¬ã‚¤ãƒ‰ãƒ©ã‚¤ãƒ³ã«ã€ã‚ˆã‚Šè©³ç´°ãª
mooz 2012/03/07
non_volatile_memory

storage
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ã€å¾Œè—¤å¼˜èŒ‚ã®Weeklyæµ·å¤–ãƒ‹ãƒ¥ãƒ¼ã‚¹ã€‘ ISSCCã§è¦‹ãˆã¦ããŸNANDãƒ•ãƒ©ãƒƒã‚·ãƒ¥ãƒ¡ãƒ¢ãƒªã®å¤§å®¹é‡åŒ–ã®ãƒˆãƒ¬ãƒ³ãƒ‰
mooz 2012/02/25
Flash memory

storage

memory

flash_memory
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Flash DOOMED to drive itself off a cliff - boffins
mooz 2012/02/23
Flash SSD ã®æœªæ¥ã¯æš—ã„ã¨ã„ã†è©±ï¼Žå®¹é‡ã®å‘ä¸Šã‚’ãã‚‰ã£ã¦ã“ã‚Œä»¥ä¸Šå›žè·¯ã®å¯†åº¦ã‚„ã‚»ãƒ«ã®ãƒ¬ãƒ™ãƒ«ã‚’ä¸Šã’ã‚ˆã†ã¨ã™ã‚Œã°é€Ÿåº¦ã‚„è€æ€§ãŒã‚¬ã‚¯ãƒƒã¨è½ã¡ã‚‹ï¼Žå„ãƒ™ãƒ³ãƒ€ã¯æ¬¡ã®ä¸æ®ç™ºæ€§ãƒ¡ãƒ¢ãƒªã«ç§»ã£ã¦ã„ã‚‹ï¼Ž

flash_memory

storage
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SSDAlloc - Hybrid SSD/RAM Allocation Made Easy
Hybrid SSD/RAM Memory Management Made Easy. A Nearly-Transparent Programming Model for High-Performance Flash in Virtual Memory. What Is It? Flash memory (mostly in the form of SSDs) is fast becoming an integral part of a wide range of systems, including cell phones, netbooks, laptops, desktops and servers. The integration is happening either in the form of an SSD based swap space or SSD based
mooz 2012/01/13
flash_memory

storage

memory

os
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FAST '12 Technical Sessions
Conference full papers and full proceedings are available to conference registrants immediately and to everyone beginning Wednesday, February 15. Everyone can view the abstracts and the proceedings front matter immediately. Proceedings Front Matter: Title Page and List of Organizers | Table of Contents | Message from the Program Co-Chairs| Errata Slip Complete Proceedings (PDF) NEW! E-Book Proceed
mooz 2011/12/13
FAST '12. File and Storage Technologies.

conference

storage
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HDDã®ãƒ—ãƒ©ãƒƒã‚¿å¤–å‘¨éƒ¨ã¨å†…å‘¨éƒ¨ã®æ€§èƒ½å·®ã‚’æ¤œè¨¼ã—ã¦ã¿ãŸ - ã‚·ãƒªã‚³ãƒ³ã®è°·ã®ã‚¾ãƒ³ãƒ“
ã‘ã£ã“ã†å‰ã«ç§‹è‘‰åŽŸã«è¡Œã£ãŸã¨ãã«ä½•ã‚‚è²·ã‚ãšã«å¸°ã‚‹ã®ã‚‚å¤±ç¤¼ã‹ã¨æ€ã„ï¼Œã‚«ãƒƒã¨ãªã£ã¦å€¤å´©ã‚Œã—ãŸHDDã¨SSDã‚’è²·ã£ã¦å¸°ã£ãŸï¼Žè‡ªå®…ã‚µãƒ¼ãƒã§ã„ã‚ã„ã‚éŠã‚“ã§ã¿ã‚‹äºˆå®šã ã£ãŸã®ã ã‘ã‚Œã©ï¼Œãã®ã¾ã¾æ”¾ç½®ã—ã¦3ãƒ¶æœˆè¿‘ãçµŒã£ã¦ã—ã¾ã£ãŸï¼Žæœ€è¿‘ã«ãªã£ã¦ã‚¿ã‚¤ã®æ´ªæ°´ã®å½±éŸ¿ã§HDDãŒé«˜é¨°ã—ã¦ã„ã‚‹ã®ã§ã³ã£ãã‚Šã—ã¦ã„ã‚‹ï¼Ž(2TB HDDãŒ2ä¸‡å††è¶…ãˆãƒ»ãƒ»ãƒ»ã ã¨ãƒ»ãƒ»ãƒ») ã•ã¦ï¼Œã“ã®å®Ÿé¨“ã‚’ã—ãŸããªã£ãŸåŽŸå› ã¯ã ãƒ¼ã„ãƒ¼ã¶å‰ã®WSDM2009ã®Jeff Deanè¬›æ¼”ã®ã¨ãã«ãƒãƒ©ã£ã¨å‡ºã¦ããŸã‚¤ãƒ³ãƒ‡ã‚¯ã‚¹ã®å¤–å‘¨éƒ¨ã¨å†…å‘¨éƒ¨ã®ä½¿ã„åˆ†ã‘ï¼Žå½“ãŸã‚Šå‰ã®ã‚ˆã†ã«ã•ã‚‰ã£ã¨æ›¸ã‹ã‚Œã¦ã„ãŸï¼Ž HDDã®å¤–å‘¨éƒ¨ã¯ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹é«˜ã„ã‚“ã§ï¼Œã‚¤ãƒ³ãƒ‡ã‚¯ã‚¹ã¯ã“ã£ã¡ã«ç½®ãã‚ˆï¼Ž ã¨ã„ã†éƒ¨åˆ†ï¼Žã¸ãƒ¼ï¼Œãã‚“ãªã«æ€§èƒ½ãŒé•ã†ã®ã‹ä»Šåº¦HDDè²·ã£ãŸã‚‰è©¦ã—ã¦ã¿ã‚ˆã†ã¨æ€ã£ã¦ã‹ã‚‰æ—©2å¹´ï¼Žã‚ˆã†ã‚„ãæ€ã„ç«‹ã£ã¦æ¤œè¨¼ã—ãŸï¼Ž ãªãŠï¼ŒJeff Deanã®è¬›æ¼”è³‡æ–™ã¯ä»¥ä¸‹ã«ã‚¢ãƒƒãƒ—ã•ã‚Œã¦ã„ã‚‹ï¼Ž Challenges in
mooz 2011/10/31
ç´ æ™´ã‚‰ã—ã„

hdd

storage

hardware
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ç¤¾å†…ã‚µãƒ¼ãƒã‚¤ãƒ³ãƒ•ãƒ©å‹‰å¼·ä¼š(DB)
2. ä»Šå›žã®ç›®çš„ 1. ã€Œãƒ‡ãƒ¼ã‚¿ã‚’ä¿å˜ã™ã‚‹ã€ã¨ã„ã†ã“ã¨ãŒã€å®Ÿéš›ã«ã© ã†ã„ã†ã“ã¨ãªã®ã‹ã‚’çŸ¥ã‚‹ã€‚ 2. ä¸ã®å‹•ä½œã‚’è¸ã¾ãˆã‚‹ã“ã¨ã§ã€åŠ¹çŽ‡ã®ã‚ˆã„ã‚¢ãƒ— ãƒªã‚’æ›¸ã‘ã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ 3. å•é¡ŒãŒèµ·ããŸã¨ãã«ã€ãã®åŽŸå› ã‚’çªãæ¢ã‚ã‚‰ ã‚Œã‚‹ã‚ˆã†ã«ãªã‚‹ã€‚ ä¸€èˆ¬è«–ã‚’ãƒ¡ã‚¤ãƒ³ã¨ã—ã€MySQLç‰ã®ç´°ã‹ã„ å€‹åˆ¥ãƒŽã‚¦ãƒã‚¦ã¯å–ã‚Šä¸Šã’ã¾ã›ã‚“ã€‚ 3. ãŠã—ãªãŒã 1. ã€Œãƒ‡ãƒ¼ã‚¿ã‚’ä¿å˜ã™ã‚‹ã€ã¨ã¯ã©ã†ã„ã†ã“ã¨ã‹ 2. MySQLãŒãƒ‡ã‚£ã‚¹ã‚¯ã«æ›¸ãã¾ã§ 3. ä»®æƒ³ãƒ¡ãƒ¢ãƒªã¨ãƒšãƒ¼ã‚¸ã‚ãƒ£ãƒƒã‚·ãƒ¥ 4. ã¨ã£ã¦ã‚‚è¤‡é›‘ãªã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã®å‹•ä½œ 5. MySQLã®ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã¨ãƒ¡ãƒ¢ãƒªã®é–¢ä¿‚
mooz 2011/09/30
database

storage

linux_kernel
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IOPS - Wikipedia
The neutrality of this article is disputed. Relevant discussion may be found on the talk page. Please do not remove this message until conditions to do so are met. (August 2016) (Learn how and when to remove this message) Input/output operations per second (IOPS, pronounced eye-ops) is an input/output performance measurement used to characterize computer storage devices like hard disk drives (HDD)
mooz 2011/08/31
IOPS

storage
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Randal Burns
mooz 2011/07/31
Randal Burns. Hopkins Storage Systems Lab.

researcher

database

storage
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Course Schedule Storage Systems Computer Science 600
mooz 2011/07/31
Storage System ã«é–¢ã™ã‚‹è¬›ç¾©

storage

database
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LevelDB Benchmarks
Google, July 2011 In order to test LevelDB's performance, we benchmark it against other well-established database implementations. We compare LevelDB (revision 39) against SQLite3 (version 3.7.6.3) and Kyoto Cabinet's (version 1.2.67) TreeDB (a B+Tree based key-value store). We would like to acknowledge Scott Hess and Mikio Hirabayashi for their suggestions and contributions to the SQLite3 and Kyo
mooz 2011/07/28
LevelDB, SQLite, TreeDB (Kyoto Cabinet).

storage

database

benchmark
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