{"id":135,"date":"2008-02-04T15:25:16","date_gmt":"2008-02-04T15:25:16","guid":{"rendered":"http:\/\/newblog.mix1009.net\/?p=135"},"modified":"2008-02-04T15:25:16","modified_gmt":"2008-02-04T15:25:16","slug":"varnish-cache-%ec%86%8c%ec%8a%a4%eb%a1%9c%eb%b6%80%ed%84%b0-%eb%b0%b0%ec%9a%b0%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/mix1009.net\/?p=135","title":{"rendered":"Varnish Cache \uc18c\uc2a4\ub85c\ubd80\ud130 \ubc30\uc6b0\uae30"},"content":{"rendered":"<p>\uc694\uc998 <a href=\"http:\/\/varnish.projects.linpro.no\/\">Varnish Cache<\/a>\ub97c \ubcf8\uaca9\uc801\uc73c\ub85c \ub3c4\uc785\ud558\uae30 \uc704\ud574\uc11c \ub178\ub825\uc911\uc785\ub2c8\ub2e4. <a href=\"http:\/\/varnish.projects.linpro.no\/wiki\/ArchitectNotes\">\uc124\uacc4 \ubb38\uc11c<\/a>\ub97c \ubcf4\uba74 \ub9ce\uc774 \uc0ac\uc6a9\ud558\ub294 Squid\ub294 70\/80\ub144\ub300 \ud558\ub4dc\uc6e8\uc5b4\uc5d0 \uc801\ud569\ud558\uac8c \uc124\uacc4\ub418\uc5c8\uae30 \ub54c\ubb38\uc5d0 \uc694\uc998 \ud558\ub4dc\uc6e8\uc5b4\uc5d0\uc11c\ub294 \ud37c\ud3ec\uba3c\uc2a4\uac00 \uc544\uc8fc \ub9ce\uc774 \ub5a8\uc5b4\uc9c4\ub2e4\ub294 \ud765\ubbf8\ub85c\uc6b4 \uc598\uae30\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>Squid\uc5d0\uc11c\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc801\uc73c\ub85c \uce90\uc2dc\ub97c \ub530\ub85c \uad6c\ud604\ud574\uc11c, \ucee4\ub110\uc5d0\uc11c \uba54\ubaa8\ub9ac \uad00\ub9ac\ud558\ub294 \uac83\uacfc \uac19\uc774 \uc798 \ub3d9\uc791\ud558\uc9c0 \uc54a\ub294\ub2e4\uace0 \ud569\ub2c8\ub2e4. \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc801\uc73c\ub85c \uce90\uc2dc\ub97c \ub530\ub85c \uad6c\ud604\ud558\uba74 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \uba54\ubaa8\ub9ac \uc601\uc5ed\uc744 swap out\ud560\ub54c, \ub611\ub611\ud55c \ucee4\ub110\uc5d0\uc11c \uc774\ubbf8 swap out\ub410\ub358 \ub370\uc774\ud130\ub97c \uba54\ubaa8\ub9ac \uc601\uc5ed\uc73c\ub85c \ubd88\ub7ec\uc654\ub2e4\uac00 \ub2e4\uc2dc swap out \ud558\ub294 \uacfc\uc815\uc774 \uc77c\uc5b4\ub09c\ub2e4\uace0 \ud569\ub2c8\ub2e4. \uc61b\ub0a0 OS\uc5d0\uc11c\ub294 \uba54\ubaa8\ub9ac \uad00\ub9ac\uac00 \ucd5c\uc801\ud654\uac00 \uc548\ub418\uc5b4\uc788\uc5c8\uc9c0\ub9cc \uc694\uc998\uc740 \uba54\ubaa8\ub9ac \uad00\ub9ac\ub97c \ucee4\ub110\uc5d0\uc11c \uc54c\uc544\uc11c \ud558\uac8c \ud558\uba74 \ud37c\ud3ec\uba3c\uc2a4\uac00 \ub9ce\uc774 \ube68\ub77c\uc9c4\ub2e4\uace0 \ud558\ub124\uc694.<\/p>\n<p>Varnish Cache \ucd5c\uc801\ud654\ub294 \ud06c\uac8c 3\uac00\uc9c0 \uc815\ub3c4\ub85c \uc694\uc57d\ud560\uc218 \uc788\uc744\uac70 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p>1. \uba54\ubaa8\ub9ac \uad00\ub9ac\ub97c \ucee4\ub110\uc5d0 \uc704\uc784<br \/>\n2. \uba54\ubaa8\ub9ac \ud560\ub2f9\/\ud574\uc81c \ubd80\ubd84\uc744 \ucd5c\uc18c\ud654 (workspace \ub2e8\uc704 \ud560\ub2f9, \ud55c\ubc88\uc5d0 \ud574\uc81c)<br \/>\n3. \uc124\uc815 \ud30c\uc77c \ucef4\ud30c\uc77c\ub7ec\ub85c \ucef4\ud30c\uc77c<\/p>\n<p>\uba54\ubaa8\ub9ac \uad00\ub9ac\ub294 mmap\uc744 \ud1b5\ud574\uc11c \uad00\ub9ac\ud569\ub2c8\ub2e4. \ud30c\uc77c \uc2dc\uc2a4\ud15c \uc601\uc5ed\uacfc \uba54\ubaa8\ub9ac \uc601\uc5ed\uc744 \uc5f0\uacb0\ud558\uc5ec \uc0ac\uc6a9\ud558\uace0, storage_file.c\uc5d0\uc11c \uc9c1\uc811 \uba54\ubaa8\ub9ac \ucabc\uac1c\uc11c \uad00\ub9ac\ud569\ub2c8\ub2e4. \uba54\ubaa8\ub9ac \uc601\uc5ed\uc744 \ucabc\uac1c\uc11c free list(VTAILQ)\uc5d0 \ub123\uace0, \ud560\ub2f9\ud560\ub54c free list\uc5d0\uc11c \uaebc\ub0b4\uc11c \uc4f0\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c\ub294 \ubb34\uc5c7\uc774 \uba54\ubaa8\ub9ac\uc5d0 \uc788\uace0, \ud30c\uc77c\ub85c swap \ud560\uc9c0 \uacb0\uc815\ud558\uc9c0 \uc54a\uace0 \ucee4\ub110\uc774 \ud558\ub3c4\ub85d \ub0b4\ubc84\ub824\ub461\ub2c8\ub2e4.<\/p>\n<p>\uba54\ubaa8\ub9ac \ud560\ub2f9\uc740 workspace \ub2e8\uc704\ub85c \ud558\uace0 \uadf8 \uc548\uc5d0\uc11c \ucabc\uac1c\uc11c \uc4f0\ub294 \uac70 \uac19\uc2b5\ub2c8\ub2e4. \uc774 \ubd80\ubd84\uc740 \uc880\ub354 \ubd84\uc11d\uc774 \ud544\uc694\ud560\uac70 \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc124\uc815 \ud30c\uc77c\uc740 c\ub85c \ubcc0\uacbd\ud55c \ub2e4\uc74c \uc800\uc7a5\ud558\uace0, \uc9c1\uc811 cc\ub97c \ud638\ucd9c\ud574\uc11c \uc624\ube0c\uc81d\ud2b8 \ud30c\uc77c\uc744 \uc0dd\uc131\ud558\uba70, dlopen\uc73c\ub85c \ub85c\ub4dc\ud558\uac8c \ub418\uc5b4\uc788\uc2b5\ub2c8\ub2e4.&nbsp; mgt_vcc.c\uc758 mgt_CallCc \ud568\uc218\ub97c \ucc38\uace0\ud558\uc138\uc694. dlopen\uc744 \uc0ac\uc6a9\ud558\uae30 \uc704\ud574\uc11c \ucef4\ud30c\uc77c\ub7ec\uc5d0 -fpic -shared \ub4f1\uc758 \uc635\uc158\uc744 \ub118\uae30\uac8c \ub418\uc5b4\uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>Varnish\uc758 \uac1c\ubc1c\uc790\uac00 FreeBSD \ucee4\ub110 \uac1c\ubc1c\uc790 \ucd9c\uc2e0\uc785\ub2c8\ub2e4. \uc9c0\uae08\ub3c4 \uac1c\ubc1c\ud558\ub294\uc9c0\ub294 \ubaa8\ub974\uaca0\ub124\uc694..Varnish\ub294 \uc815\ub9d0 BSD\ucee4\ub110 \uc18c\uc2a4\ucc98\ub7fc \uc9dc\ub1a8\ub124\uc694. BSD \ucee4\ub110 \uc18c\uc2a4\ubcf4\uba74 \ub370\uc774\ud0c0 \uad6c\uc870\uac00 \ub300\ubd80\ubd84 queue.h\ub85c \ub418\uc5b4\uc788\ub294\ub370, \uc5ec\uae30\uc11c\ub3c4 VTAILQ \ub4f1\uc73c\ub85c \uc774\ub984\ub9cc \uc870\uae08 \ubc14\uafd4\uc11c \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. queue.h\ub294 \uc5ec\ub7ec\uac00\uc9c0 \ub370\uc774\ud0c0 \uad6c\uc870\ub97c C \ub9e4\ud06c\ub85c\ub9cc\uc73c\ub85c \uad6c\ud604\ud55c \ud5e4\ub354\ud30c\uc77c \ub77c\uc774\ube0c\ub7ec\ub9ac\uc785\ub2c8\ub2e4. \uad6c\ud604\ud560\ub54c struct \uc548\uc5d0 \ud3ec\uc778\ud130\uac00 \ub0b4\uc7a5\ub418\uc11c \uc5ec\ub7ec\uac00\uc9c0 \ubc29\ubc95\uc73c\ub85c \uba54\ubaa8\ub9ac \uc0ac\uc6a9\uc744 \ucd5c\uc801\ud654\ud560\uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucee4\ub110\uc5d0\uc11c\ub294 \ub300\ubd80\ubd84 \ube14\ub7ed\ub2e8\uc704\ub85c \uba54\ubaa8\ub9ac \ud560\ub2f9\ud558\uc5ec, \uadf8\uac78 \ucabc\uac1c\uc11c free \ub9ac\uc2a4\ud2b8\uc5d0 \ub123\uc5b4\ub193\uace0 \uadf8\uac78 \uaebc\ub0b4\uc368\uc11c \uc0ac\uc6a9\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \uba54\ubaa8\ub9ac\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4. \uba54\ubaa8\ub9ac \ud560\ub2f9\uacfc \ud574\uc81c\uac00 \uac04\ub2e8\ud55c \ud3ec\uc778\ud130 \uc5f0\uc0b0\uc73c\ub85c \ub05d\ub098\uae30 \ub54c\ubb38\uc5d0 \ub9e4\uc6b0 \ud6a8\uc728\uc801\uc774\uace0, \uba54\ubaa8\ub9ac fragmentation\ub3c4 \ub9ce\uc774 \uc904\uc5ec\uc90d\ub2c8\ub2e4. \uba54\ubaa8\ub9ac \ud560\ub2f9\uacfc \ud574\uc81c\uac00 \uc790\uc8fc \uc77c\uc5b4\ub098\ub294 \uacbd\uc6b0 \uc544\uc8fc \ud070 \ub3c4\uc6c0\uc774 \ub418\uc8e0.<\/p>\n<p>2000\ub144\uc5d0 FreeBSD\uc5d0\uc11c \ubc29\ud654\ubcbd \ucee4\ub110 \ubaa8\ub4c8\uc744 \uac1c\ubc1c\ud55c \uc801\uc774 \uc788\uc5c8\ub294\ub370, \uba54\ubaa8\ub9ac \uad00\ub9ac\ub97c queue.h\uc640 &#8220;<span><span>Redesigning the BSD Callout and Timer Facilities (1995)&#8221;\ub97c \ucc38\uace0\ud574\uc11c \uad6c\ud604\ud588\uc5c8\uc2b5\ub2c8\ub2e4. \ud37c\ud3ec\uba3c\uc2a4 \ucd5c\uc801\ud654\uc5d0 \uc544\uc8fc \ud070 \ub3c4\uc6c0\uc774 \ub410\uc5c8\uc2b5\ub2c8\ub2e4. Redesigning the BSD Callout&#8230; \ub17c\ubb38\uc744 \uc5b4\ub5bb\uac8c \uc54c\uac8c \ub418\uc5c8\ub294\uc9c0\ub294 \uae30\uc5b5\uc740 \uc548\ub098\uc9c0\ub9cc, \uc815\ub9d0 \ub9ce\uc740 \ub3c4\uc6c0\uc744 \ubc1b\uc558\ub358 \ub17c\ubb38\uc774\ub124\uc694. \uc9c0\uae08 \ucc3e\uc544\ubcf4\ub2c8 <a href=\"http:\/\/www.nicemice.net\/amc\/\">\uccab\ubc88\uc9f8 \uc800\uc790<\/a>\ub294 \uad6c\uae00\uc5d0 \uc788\uace0, <a href=\"http:\/\/www-cse.ucsd.edu\/users\/varghese\/\">\ub450\ubc88\uc9f8 \uc800\uc790<\/a>\ub294 \ubca4\ucc98 \ub9cc\ub4e4\uc5c8\ub2e4\uac00 \uc2dc\uc2a4\ucf54\uc5d0 \uc778\uc218\ub410\ub2e4\uace0 \ud558\ub124\uc694. \uc9c0\uae08\uc740 UCSD \uad50\uc218\ub85c \uc788\ub124\uc694. \uc774 \ub17c\ubb38\uc5d0 \ub300\ud574\uc11c\ub294 \ube14\ub85c\uadf8\uc5d0 \uae00\uc744 \ud55c\ubc88 \uc815\ub9ac\ud574\uc11c \uc62c\ub9ac\ub3c4\ub85d \ub178\ub825\ud558\uaca0\uc2b5\ub2c8\ub2e4.<br \/>\n<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc694\uc998 Varnish Cache\ub97c \ubcf8\uaca9\uc801\uc73c\ub85c \ub3c4\uc785\ud558\uae30 \uc704\ud574\uc11c \ub178\ub825\uc911\uc785\ub2c8\ub2e4. \uc124\uacc4 \ubb38\uc11c\ub97c \ubcf4\uba74 \ub9ce\uc774 \uc0ac\uc6a9\ud558\ub294 Squid\ub294 70\/80\ub144\ub300 \ud558\ub4dc\uc6e8\uc5b4\uc5d0 \uc801\ud569\ud558\uac8c \uc124\uacc4\ub418\uc5c8\uae30 \ub54c\ubb38\uc5d0 \uc694\uc998 \ud558\ub4dc\uc6e8\uc5b4\uc5d0\uc11c\ub294 \ud37c\ud3ec\uba3c\uc2a4\uac00 \uc544\uc8fc \ub9ce\uc774 \ub5a8\uc5b4\uc9c4\ub2e4\ub294 \ud765\ubbf8\ub85c\uc6b4 \uc598\uae30\uac00 \uc788\uc2b5\ub2c8\ub2e4. Squid\uc5d0\uc11c\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc801\uc73c\ub85c \uce90\uc2dc\ub97c \ub530\ub85c \uad6c\ud604\ud574\uc11c, \ucee4\ub110\uc5d0\uc11c \uba54\ubaa8\ub9ac \uad00\ub9ac\ud558\ub294 \uac83\uacfc \uac19\uc774 \uc798 \ub3d9\uc791\ud558\uc9c0 \uc54a\ub294\ub2e4\uace0 \ud569\ub2c8\ub2e4. \uc18c\ud504\ud2b8\uc6e8\uc5b4\uc801\uc73c\ub85c \uce90\uc2dc\ub97c \ub530\ub85c \uad6c\ud604\ud558\uba74 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \uba54\ubaa8\ub9ac \uc601\uc5ed\uc744 swap out\ud560\ub54c, \ub611\ub611\ud55c \ucee4\ub110\uc5d0\uc11c \uc774\ubbf8 swap [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[14,121],"class_list":["post-135","post","type-post","status-publish","format-standard","hentry","category-19","tag-varnish","tag-121"],"_links":{"self":[{"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/posts\/135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mix1009.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135"}],"version-history":[{"count":0,"href":"https:\/\/mix1009.net\/index.php?rest_route=\/wp\/v2\/posts\/135\/revisions"}],"wp:attachment":[{"href":"https:\/\/mix1009.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mix1009.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mix1009.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}