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DragonFly BSD 2.2ã§å®Ÿç”¨æ®µéšŽã«ãªã£ãŸHAMMER FSã‚’è©¦ã™ | OSDN Magazine
ã‹ã¤ã¦Linuxã¨ä¸¦ã‚“ã§ã€ãƒ•ãƒªãƒ¼ã®PC-UNIXã®ä»£è¡¨ã§ã‚ã£ãŸFreeBSDã‚„NetBSDã¨ã„ã£ãŸBSDç³»ã®UNIXã¯ã€Linuxã®æ€¥é€Ÿãªé€²åŒ–/æ™®åŠã¨æ¯”è¼ƒã™ã‚‹ã¨æˆ‘ãŒé“ã‚’ç€å®Ÿã«æ©ã„ã¦ã„ã‚‹ã¨ã„ã£ãŸæ„Ÿã˜ã ã€‚ä»Šå›žç´¹ä»‹ã™ã‚‹ã€DragonFly BSDã¯ã€FreeBSD 4ï¼ˆ4.8-STABLEï¼‰ã‚’ãƒ™ãƒ¼ã‚¹ã«2003å¹´ã‹ã‚‰Matthew Dillonæ°ãŒä¸å¿ƒã¨ãªã£ã¦é–‹ç™ºã•ã‚Œã¦ã„ã‚‹BSDç³»ã®ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹UNIXã‚·ã‚¹ãƒ†ãƒ ã§ã‚ã‚‹ã€‚ ãã®æœ€æ–°ç‰ˆã¯2009å¹´2æœˆ17æ—¥ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³2.2ã€‚ä»Šå›žã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã§ã¯ã€åŒã˜ãMatthew Dillonæ°ãŒé–‹ç™ºã—æ¬¡ä¸–ä»£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¨ã—ã¦æ³¨ç›®ã‚’é›†ã‚ã¦ã„ã‚‹HAMMERãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãŒè£½å“åŒ–æ®µéšŽï¼ˆproduction-readyï¼‰ã¨ãªã£ãŸã€‚å¾Œã»ã©èª¬æ˜Žã™ã‚‹ãŒã€HAMMERã¯ã‚¹ãƒŠãƒƒãƒ—ã‚·ãƒ§ãƒƒãƒˆãªã©ã®é«˜åº¦ãªæ©Ÿèƒ½ã‚’å‚™ãˆã‚‹ç¾ä»£çš„ãªãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã§ã€ä»–OSã®ãƒ¦ãƒ¼ã‚¶
kazuhooku 2009/03/04
unix
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http://blogs.sun.com/yappri/entry/httpd_bottleneck_cont
kazuhooku 2009/02/23
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administration
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http://blogs.sun.com/yappri/entry/httpd_bottleneck
kazuhooku 2009/02/22
unix

administration
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http://blogs.sun.com/yappri/entry/sys
kazuhooku 2009/01/28
unix

solaris

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ã¯ã‚„ã„TCPã‚µãƒ¼ãƒã®æ›¸ãæ–¹ - nyaxtã®PCä½œæ¥ãƒã‚°
cagraé«˜é€ŸåŒ–ã«ã‚ãŸã£ã¦ã®ãƒŽã‚¦ãƒã‚¦ã‚’ä¸€éƒ¨å…¬é–‹ã—ã¦ã¿ã¾ã™ã€‚ã¾ãŸæ˜Žæ—¥æ ¡æ£/æ›´æ–°ã—ã¾ã™ã€‚ã¤ã£ã“ã¿å¾…ã¡ã§ã™ã€‚ select(2)ã®ä»£ã‚ã‚Šã«epoll_wait(2), kqueue, /dev/epollç‰ã‚’ä½¿ã† ä»–ã«å±±ã»ã©è§£èª¬ãƒšãƒ¼ã‚¸ãŒã‚ã‚‹ã®ã§ç•¥ å¤§é‡ã®ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿ã‚’å‡¦ç†ã™ã‚‹ã‚ˆã†ãªã‚µãƒ¼ãƒã®å ´åˆã€å¤šå°‘åŠ¹æžœãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ã—ã‹ã—ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆæ•°ãŒå°‘ãªã„å ´åˆã€åŠ‡çš„ãªæ€§èƒ½ã®å‘ä¸Šã¯è¦‹è¾¼ã‚ãªã„ã¨ãŠã‚‚ã„ã¾ã™ã€‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆæ•°ãŒå¤šã„å ´åˆã¯ã€ï¼‘ã‚»ãƒƒã‚·ãƒ§ãƒ³ï¼‘ã‚¹ãƒ¬ãƒƒãƒ‰ãªãƒ¢ãƒ‡ãƒ«ã§ã¯OSå´ã®ã‚¿ã‚¹ã‚¯ã‚¹ã‚¤ãƒƒãƒãƒ³ã‚°ã®ã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰ãŒåŠ¹ã„ã¦ãã‚‹ã“ã¨ã‚‚å¤šã„ã§ã™ã€‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆæ•°ã‚’å¢—ã‚„ã™ã«ã¯è¤‡æ•°ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã‚’ï¼‘ã‚¹ãƒ¬ãƒƒãƒ‰ã§å‡¦ç†ã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ã¨è‰¯ã„ã§ã™ã€‚å®Ÿè£…ã«ã‚ãŸã£ã¦ã¯ã€non-blocking ioã‚’æ´»ç”¨ã™ã‚‹ã¨åŠ¹æžœçš„ã§ã™ã€‚ TCP_NODELAYã‚’è¨å®šã™ã‚‹ Nagleã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’ã‚ªãƒ•ã«ã—ã¾ã™ã€‚å¤šå°‘å¿œç”æ€§ãŒè‰¯ããªã‚Šã¾ã™ã€‚ ã“ã‚Œã£
kazuhooku 2009/01/08
TCP_NODELAY ã‚’ã‚»ãƒƒãƒˆã—ã¦ãªã„ã‹ã‚‰ã˜ã‚ƒãªã„ã®ï¼Ÿï¼žã€Œå°ã•ã„ãƒãƒƒãƒ•ã‚¡ã‚’write(2)ã—ãŸå ´åˆã€è¤‡æ•°ã®writeãŒï¼‘ã¤ã®ãƒ‘ã‚±ãƒƒãƒˆã«ã¾ã¨ã‚ã‚‰ã‚Œã¦ã—ã¾ã†ã“ã¨ãŒå¤šã„ã€/æ›¸ã„ãŸ http://d.hatena.ne.jp/kazuhooku/20090108/1231391442

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lftpä¾¿åˆ©ã˜ã‚ƒãªã„ã‹ - ã¨ã»ã»ã®N88-BASICæ—¥è¨˜
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kazuhooku 2008/11/21
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kazuhooku 2008/10/17
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unix

mysql
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An Interview With Linus Torvalds: Linux and Git - Part 1 30 Years Of Linux
kazuhooku 2008/09/29
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unix

storage
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Freenix 2000 USENIX Annual Technical Conference Paper
UBC: An Efficient Unified I/O and Memory Caching Subsystem for NetBSD Chuck Silvers The NetBSD Project [email protected], https://www.netbsd.org/ Abstract This paper introduces UBC ("Unified Buffer Cache"), a design for unifying the filesystem and virtual memory caches of file data, thereby providing increased system performance. In this paper we discuss both the traditional BSD caching interfaces and
kazuhooku 2008/09/29
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unix

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How To Write Shared Libraries
How To Write Shared Libraries Ulrich Drepper drepper@gmail.com December 10, 2011 Abstract Today, shared libraries are ubiquitous. Developers use them for multiple reasons and create them just as they would create application code. This is a probl em, though, since on many platforms some additional techniques must be applied even to generate decent code. Even more knowledge is needed to generate opt
kazuhooku 2008/07/08
linux

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unix
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Apple
kazuhooku 2008/05/20
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unix

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Re: 25 Year old BSD bug Subject: Re: 25 Year old BSD bug From: Terry Lambert <em ail@hidden> Date: Tue, 13 May 2008 14:51:02 -0700 On May 13, 2008, at 8:30 AM, Andre-John Mas wrote: Hi, I came across this article this morning, by way of Gizmodo, and though it might be of interest for the list, since it also apparently effects MacOS X: http://osnews.com/story/19731/The-25-Year-Old-UNIX-Bug The code
kazuhooku 2008/05/14
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unix
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Mac OS X Leopardãƒ†ã‚¯ãƒŽãƒã‚¸ãƒ¼ãƒ¬ãƒãƒ¼ãƒˆç¬¬1å¼¾ã¨ãªã‚‹ ã€Œã€ãƒ¬ãƒãƒ¼ãƒˆã€‘ç§˜ã‚ã‚‰ã‚ŒãŸ"çœŸã®é©æ–°"ã‚’æš´ã - the inner universe of Leopardã€ ã‚‚ã‚ã‚ã›ã¦ãŠæ¥½ã—ã¿ãã ã•ã„ã€‚ Mac OS X Leopardãƒ¬ãƒãƒ¼ãƒˆã€Œthe inner universe of Leopardã€ã‚·ãƒªãƒ¼ã‚ºã®å®Ÿè³ªçš„ãªç¬¬1å›žã«å½“ãŸã‚‹æœ¬ç¨¿ã§ã¯ã€ã¾ãšã¯æ‰‹å§‹ã‚ã¨ã„ã†ã“ã¨ã§ã€OSã®èµ·å‹•å‘¨ã‚Šã®æ”¹å–„ã«ã¤ã„ã¦è§£èª¬ã™ã‚‹ã€‚ Leopardã§ã®éš ã‚ŒãŸå¤§ããªæ”¹å–„ç‚¹ã¨ã—ã¦ã¯ã€ã€Œ/etc/rcãŒãªããªã£ãŸã€ã“ã¨ãŒæŒ™ã’ã‚‰ã‚Œã‚‹ã€‚çš®è‚‰ãªã“ã¨ã ãŒã€UNIXã¨ã—ã¦ã®èªå®šã‚’å—ã‘ãŸLeopardãŒã€UNIXã®è¡€æ—ã§ã‚ã‚‹ä¸€ç•ªã®è¨¼æ˜ŽãŸã‚‹/etc/rcã‚’æ¨ã¦ã¦ã—ã¾ã£ãŸã®ã ã€‚ å˜˜ã§ã¯ãªã„ã€‚Leopardã‚’æ‰‹ã«ã—ãŸã‚‰ã€Œls -l /etc/rc*ã€ã‚’å®Ÿè¡Œã—ã¦ã»ã—ã„(ãƒªã‚¹ãƒˆ1ã€ãƒªã‚¹ãƒˆ2)ã€‚ ãƒªã‚¹ãƒˆ1: Tigerä¸Šã§ã®ã€Œls -l
kazuhooku 2007/12/12
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kazuhooku 2007/10/17
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kazuhooku 2007/09/28
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apache
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DragonFly BSD - Wikipedia
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kazuhooku 2007/09/15
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kazuhooku 2007/09/13
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kazuhooku 2007/09/11
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