[±£Áô] ³¬¸ßÐÔÄÜÍøÂç±à³Ì, Asynchronous network I/O |
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±¾ÌùÄ¿µÄ:
ÌÖÂÛLinuxϵĸßÐÔÄÜÍøÂç±à³Ì.
ÈÈÁÒ»¶Ó²Î¼ÓÌÖÂÛ, »òÌṩ¹Ø¼üµÄ¼¼Êõ²Î¿¼×ÊÁÏ. ×îеÄ×ÊÁÏȷʵ²»ºÃÕÒ.
ÏîÄ¿±³¾°:
Á÷ýÌå½»»»·þÎñÆ÷, µ¥Ì¨·þÎñÆ÷ÅäÖÃ4¸ö1Gbps Íø¿Ú.
ÒªÇó¿Í»§Á¬½Ó³¬¹ý1024, (µ¥¿Í»§Ô¼512kbps), ÍøÂçÂú¸ºÔØÔËÐÐ, ʵʱÐÔºÃ.
²Î¿¼²úÆ·:
»ªÎªÓë3COMºÏ×÷µÄ º¼ÖÞH3C¹«Ë¾µÄ MS8000ýÌå½»»»·þÎñÆ÷, ×î¸ß²¢·¢Á¿Ö»´ïµ½1024·. ʹÓÃË«ºËCPU,4¸ö 1GbpsÍø¿Ú.
[url=http://www.h3c.com.cn/Products%5F%5F%5FTechnology/Products/IP%5FMultimedia/IP%5FSurveillance/MS/MS8000/Home/Detail%5FMaterial%5FList/Specifications/]MS8000ýÌå½»»»·þÎñÆ÷
H3C»¹¿ª·¢ÁËÃæÏòµçÐÅ¸ß¶ËµÄ Ã½Ìå½»»»»ú. »ù±¾¿ò¼ÜÓ¦¸ÃÊÇǶÈëʽ, ÔÚÐÒéÕ»ÖÐʵÏÖÁ÷ýÌå½»»». ÔÚÍøÂçÐÔÄÜÉÏÓ¦¸ÃÊÇÂíÂí»¢»¢.
[url=http://www.h3c.com.cn/Products%5F%5F%5FTechnology/Products/IP%5FMultimedia/IP%5FSurveillance/MS/UMS9005/]H3C UMS9005 ͨÓÃýÌå½»»»»ú
ÍøÂç²¢·¢ÄÜÁ¦ÀíÂÛÉÏÓ¦¸Ã´ïµ½ÎïÀí¼«ÏÞ.
ËùÒÔ·¢´ËÌù, »¹Íû¹úÄÚµÄÍøÂç¸ßÊÖ²»ÁߴͽÌ! H3C MS8000µÄÍøÂçÐÔÄÜÒ²²»¼ûµÃ¾Í×îÓÅ»¯.
ÖØÒª×ÊÁÏ:
[1]¡¢ Dan Kegel - "The C10K problem"
http://www.kegel.com/c10k.html
Ö÷Ìâ: Web servers ͬʱ´¦Àí10000¸ö¿Í»§¶ËµÄ¼¼ÊõÎÊÌâ,°üÀ¨²»Í¬OS.
[2]¡¢ Improving (network) I/O performance ...
http://www.xmailserver.org/linux-patches/nio-improve.html
epollÄ£ÐÍÔÀí¼°ÐÔÄܲâÁ¿½áÂÛ.
[3]¡¢ Drepper's New Network Interface (proposal for Linux 2.6+)
At OLS 2006, Ulrich Drepper proposed a new high-speed asynchronous networking API. See:
his paper, [url=http://people.redhat.com/drepper/newni.pdf]"The Need for Asynchronous, Zero-Copy Network I/O"
his slides :[url=http://people.redhat.com/drepper/newni-slides.pdf]http://people.redhat.com/drepper/newni-slides.pdf
LWN article from July 22 : [url=http://lwn.net/Articles/192410/]http://lwn.net/Articles/192410/
[4]¡¢Benchmarking BSD and Linux
[url=http://bulk.fefe.de/scalability/]http://bulk.fefe.de/scalability/
ÔÚBSD ºÍLinuxϵͳÏ£¬Ò»ÏµÁÐÍøÂçÐÔÄܵIJâÁ¿¶Ô±È¡£
×¢ÊÍ:
AIO: Asynchronous I/O;
ÒÔÉϵÄ×ÊÁÏÖ»µ½2006Äêµ×, ûÕÒµ½×îеÄ.
epoll Ö»ÊÇʼþ֪ͨģÐÍ. ûÓÐÒì²½IO. ʹÓÃepoll ÈÔÈ»ÐèÒªÓû§´¦Àí»º´æ.
Linux ÏÂĿǰµÄAIOʵÏÖ²»Ö§³Ösocket, ¿ÉÒÔÖ§³ÖÎļþAIO.
¹ØÓÚwindows IOCP: ¶ÔÓû§À´½²ÊÇÒ첽ģÐÍ. µ«ÊÇ, ÆäʵÏÖ²¢²»ÊÇÕæÕýµÄÒì²½.
ÕæÕýµÄAIOÊÇÓÉkernelÍê³É, ²»ÐèÒªÏß³ÌÇл», Ó¦µ±ÄÜʵÏÖZero-Copy.[/color]
[color=Green]ÒÔÏÂÊÇÔÚ¸úÌùÖÐÌṩµÄ×ÊÁÏ£¬ÕûÀíһϷ½±ãʹÓãº
[1]¡¢High-Performance Server Architecture
http://pl.atyp.us/content/tech/servers.html[/color]
[2]¡¢ ¸ßÐÔÄÜÍøÂç±à³Ì£¬µÚ 1 ²¿·Ö: ×î´ó³Ì¶ÈµØÀûÓÃÄúµÄÍøÂç×ÊÔ´
http://www.ibm.com/developerworks/cn/aix/library/au-highperform1/index.html
¸ßÐÔÄÜÍøÂç±à³Ì£¬µÚ 2 ²¿·Ö: ¼Ó¿ì¿Í»§»úºÍ·þÎñÆ÷µÄ´¦ÀíËÙ¶È
http://www.ibm.com/developerworks/cn/aix/library/au-highperform2/index.html
[ ±¾Ìû×îºóÓÉ fm971 ÓÚ 2008-7-21 09:15 ±à¼ ]
fm971 »Ø¸´ÓÚ£º2008-07-17 11:06:15
ÈÈÁÒ»¶Ó²Î¼ÓÌÖÂÛ, »òÌṩһЩ×îеÄ×ÊÁÏ.
scutan »Ø¸´ÓÚ£º2008-07-17 11:09:21
ÎÒ¾õµÃÐÔÄܵÄÌáÉýÓ¦¸ÃÊÇ¶à·½ÃæµÄ¡£ÏÂÃæÓÐÒ»¸ö×ÊÁÏ£º
http://www.ibm.com/developerworks/cn/aix/library/au-highperform2/index.html
fm971 »Ø¸´ÓÚ£º2008-07-17 11:12:20
ÒýÓãºÔÌûÓÉ scutan ÓÚ 2008-7-17 11:09 ·¢±í [url=http://bbs.chinaunix.net/redirect.php?goto=findpost&pid=8844968&ptid=1214570]
ÎÒ¾õµÃÐÔÄܵÄÌáÉýÓ¦¸ÃÊÇ¶à·½ÃæµÄ¡£ÏÂÃæÓÐÒ»¸ö×ÊÁÏ£º
http://www.ibm.com/developerworks/cn/aix/library/au-highperform2/index.html
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scutan »Ø¸´ÓÚ£º2008-07-17 11:12:56
ÒýÓãºÔÌûÓÉ fm971 ÓÚ 2008-7-17 11:03 ·¢±í [url=http://bbs.chinaunix.net/redirect.php?goto=findpost&pid=8844892&ptid=1214570]
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ÏîÄ¿±³¾°:
Á÷ýÌå½»»»·þÎñÆ÷, µ¥Ì¨·þÎñÆ÷ÅäÖÃ4¸ö1Gbps Íø¿Ú.
ÒªÇó¿Í»§Á¬½Ó³¬¹ý1024, ÍøÂçÂú¸ºÔØÔËÐÐ, ʵʱÐÔºÃ.
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fm971 »Ø¸´ÓÚ£º2008-07-17 11:20:38
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thanks a lot!
Óйػº´æÐ§ÂʵÄÒ»ÑùÓÐÓÃ. ÊÕ¼¯Ò»ÏÂÒ²ÊǸø±ðÈ˲ο¼Âï!
[attach]274659[/attach]
huggahalli05.pdf
yunhappy »Ø¸´ÓÚ£º2008-07-17 11:24:50
Õâô¿´À´ linux 2.6 µÄ epoll ЧÂʺÜÎȶ¨Âï
converse »Ø¸´ÓÚ£º2008-07-17 11:24:55
»¹ÓÐÕâ¸ö:
http://pl.atyp.us/content/tech/servers.html
fm971 »Ø¸´ÓÚ£º2008-07-17 11:27:43
ÒýÓãºÔÌûÓÉ yunhappy ÓÚ 2008-7-17 11:24 ·¢±í [url=http://bbs.chinaunix.net/redirect.php?goto=findpost&pid=8845177&ptid=1214570]
Õâô¿´À´ linux 2.6 µÄ epoll ЧÂʺÜÎȶ¨Âï
ÊÇ.
linux 2.6 ¼¸ºõÔÚËùÓÐÍøÂç²Ù×÷µÄʱºò£¬Ð§Âʶ¼ÊÇ O(1)£¬ ²»»áÒòÊý¿Í»§ÊýÁ¿ÉÏÉý¶ø½µµÍЧÂÊ¡£
aoegiss »Ø¸´ÓÚ£º2008-07-17 11:38:23
ÒýÓãºÔÌûÓÉ yunhappy ÓÚ 2008-7-17 11:24 ·¢±í [url=http://bbs.chinaunix.net/redirect.php?goto=findpost&pid=8845177&ptid=1214570]
Õâô¿´À´ linux 2.6 µÄ epoll ЧÂʺÜÎȶ¨Âï
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cookis »Ø¸´ÓÚ£º2008-07-17 12:42:19
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freebsd kqueueºÃÓá£
Äãû¿´ÎÒÌùµÄ¶«Î÷. don't jump to conclusion

fm971 »Ø¸´ÓÚ£º2008-07-17 13:25:05
ÒýÓãºÔÌûÓÉ converse ÓÚ 2008-7-17 11:24 ·¢±í [url=http://bbs.chinaunix.net/redirect.php?goto=findpost&pid=8845179&ptid=1214570]
»¹ÓÐÕâ¸ö:
http://pl.atyp.us/content/tech/servers.html
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Äãû¿´ÎÒÌùµÄ¶«Î÷. don't jump to conclusion
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fm971 »Ø¸´ÓÚ£º2008-07-17 16:03:54
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LZ·¢µÄÄÇЩBSDºÍLinuxµÄ±È½ÏÒѾºÜÀÏÁË
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ÏÖÔÚ×îÖØÒªµÄÊÇÍøÂçI/OµÄ²¢·¢ÍÌÍÂÁ¿ÎÊÌâ. ¹ÅÀϵÄsocket API ÓÐÐÔÄÜÏÞÖÆ, Ïñsend()ºÍrecv()ÖÁÉÙÐèÒª¿½±´Ò»´Î»º´æ. ËùÒÔ²ÅÓÐÄÇô¶àÈËÌÖÂÛAIOºÍZero-Copy. µ±È»»¹ÓÐÆäËü²¢·¢ÐÔÄÜÎÊÌâ.
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fm971 »Ø¸´ÓÚ£º2008-07-17 16:20:11
Õâ¾ÍÊÇΪʲôÕâô¶àÈËÌÖÂÛÑо¿socketµÄ²¢·¢ÎÊÌâºÍ¸Ä½ø·½°¸.
Ulrich Drepper ÔÚÂÛÎÄÀïÌáÒéµÄ·½°¸ÊÇÖ±½Ó·ÃÎÊDMA, read()/receive()Ö»ÐèÒª·µ»ØÒ»¸öDMAÄÚ´æÖ¸Õë.
ÕâЩÊÇÑо¿ÐÔÄÚÈÝ, ʵÏÖ˼·¿ÉÒԲο¼.
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zsniper »Ø¸´ÓÚ£º2008-07-17 16:53:49
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