{"id":54585,"date":"2019-12-29T00:00:00","date_gmt":"2019-12-28T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/bitva-web-serverov-chast-2-realistichnyj-stsenarij-https"},"modified":"2020-02-18T14:02:37","modified_gmt":"2020-02-18T11:02:37","slug":"bitva-web-serverov-chast-2-realistichnyj-stsenarij-https","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/bitva-web-serverov-chast-2-realistichnyj-stsenarij-https","title":{"rendered":"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/3002396dbff5ba9ce06a715a7b0c4d2f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nA m\u00f3dszerr\u0151l kor\u00e1bban \u00edrtunk <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ultravds\/blog\/478854\/\">els\u0151 r\u00e9szben<\/a><\/noindex> cikk\u00fcnkben, itt pedig az HTTPS tesztel\u00e9s\u00e9t v\u00e9gezz\u00fck val\u00f3s\u00e1gh\u0171bb forgat\u00f3k\u00f6nyvekben. A tesztel\u00e9shez Let's Encrypt tan\u00fas\u00edtv\u00e1nyt szerezt\u00fcnk be, a Brotli t\u00f6m\u00f6r\u00edt\u00e9st pedig 11-re \u00e1ll\u00edtottuk.<\/p>\n<p>Ez\u00fattal megpr\u00f3b\u00e1ljuk \u00fajraalkotni a VDS-re telep\u00edtett szerver vagy virtu\u00e1lis g\u00e9p forgat\u00f3k\u00f6nyv\u00e9t egy tipikus processzorral rendelkez\u0151 hoston. Ehhez a k\u00f6vetkez\u0151 korl\u00e1tokat \u00e1ll\u00edtottuk be:<\/p>\n<ul>\n<li>25% \u2014 Ez k\u00f6r\u00fclbel\u00fcl 1350 MHz-re ford\u00edtva<\/li>\n<li>35% - 1890 MHz<\/li>\n<li>41% \u2014 2214 MHz<\/li>\n<li>65% \u2014 3510 MHz<\/li>\n<\/ul>\n<p>\nA p\u00e1rhuzamos kapcsolatok sz\u00e1ma 500-r\u00f3l 1, 3, 5, 7 \u00e9s 9-re cs\u00f6kkent.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Results:<\/h2>\n<p><\/p>\n<h3>K\u00e9s\u00e9sek:<\/h3>\n<p>\nA TTFB-t kifejezetten k\u00fcl\u00f6n tesztk\u00e9nt emelt\u00fck ki, mert az HTTPD Tools minden egyes k\u00e9r\u00e9shez szinte \u00faj felhaszn\u00e1l\u00f3t hoz l\u00e9tre. Ez a teszt m\u00e9g mindig el\u00e9g elszakadt a val\u00f3s\u00e1gt\u00f3l, mivel a felhaszn\u00e1l\u00f3k val\u00f3sz\u00edn\u0171leg n\u00e9h\u00e1ny oldalt kattintanak, \u00e9s val\u00f3j\u00e1ban a TTFP j\u00e1tszik itt k\u00f6zponti szerepet.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/cbed8f7c33e16c02d5f4a5b5351ec489.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAz els\u0151, \u00e1ltal\u00e1ban legels\u0151 k\u00e9r\u00e9s a virtu\u00e1lis g\u00e9p IIS els\u0151 ind\u00edt\u00e1sa ut\u00e1n \u00e1tlagosan 120 ms alatt teljes\u00fcl.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/cb1655496a517a21038aa44102872969.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nMinden tov\u00e1bbi k\u00e9r\u00e9s 1,5 ms TTFP-t mutat. Az Apache \u00e9s Nginx e t\u00e9ren lemarad. Szem\u00e9lyesen az \u00edr\u00f3 ezt a tesztet tartja a legmegb\u00edzhat\u00f3bbnak, \u00e9s csak ennek alapj\u00e1n v\u00e1lasztana gy\u0151ztest.<br \/>\nAz eredm\u00e9ny nem meglep\u0151, mivel az IIS m\u00e1r t\u00f6m\u00f6r\u00edtett statikus tartalmat gyors\u00edt\u00f3t\u00e1raz, nem \u00fajra t\u00f6m\u00f6r\u00edti minden alkalommal, amikor hozz\u00e1f\u00e9rnek.<\/p>\n<h3>Az egy \u00fcgyf\u00e9lre ford\u00edtott id\u0151<\/h3>\n<p>\nA teljes\u00edtm\u00e9ny \u00e9rt\u00e9kel\u00e9s\u00e9hez elegend\u0151 egy 1 p\u00e1rhuzamos kapcsolattal v\u00e9gzett teszt. <br \/>\nP\u00e9ld\u00e1ul az IIS a 5000 felhaszn\u00e1l\u00f3ra vonatkoz\u00f3 tesztet 40 m\u00e1sodperc alatt fejezte be, ami 123 k\u00e9r\u00e9s m\u00e1sodpercenk\u00e9nt.<\/p>\n<p>Az al\u00e1bbi grafikonok a weboldal teljes tartalom\u00e1tad\u00e1si idej\u00e9t mutatj\u00e1k. Ez az id\u0151tartam, amennyi alatt a k\u00e9rd\u00e9seket teljes\u00edtett\u00e9k. A mi eset\u00fcnkben a k\u00e9rd\u00e9sek 80%-a 8 ms-on bel\u00fcl ker\u00fclt feldolgoz\u00e1sra az IIS-en, m\u00edg az Apache-on \u00e9s Nginx-en 4,5 ms alatt, az 8 ms-on bel\u00fcli id\u0151intervallumon bel\u00fcl pedig a k\u00e9rd\u00e9sek 98%-\u00e1t teljes\u00edtett\u00e9k az Apache-on \u00e9s Nginx-en.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/6ee8ef5dec443c21561a74bbd4cd9b0b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAz az id\u0151, am\u00edg 5000 k\u00e9rd\u00e9st feldolgoztak:<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/f6501e87858f642406b41e3a94163189.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/b82e5d1bb3e2918ba923ecbea9539bfd.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAz az id\u0151, am\u00edg 5000 k\u00e9rd\u00e9st feldolgoztak:<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/8ce3939b78b35ac5a710482f0929714e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nHa van egy virtu\u00e1lis g\u00e9pe 3,5 GHz-es CPU-val \u00e9s 8 maggal, v\u00e1lassza azt, amit szeretne. A webkiszolg\u00e1l\u00f3k nagyon hasonl\u00f3ak ebben a tesztel\u00e9sben. Arr\u00f3l, hogy melyik webkiszolg\u00e1l\u00f3t v\u00e1lasszuk minden hosthoz, lentebb besz\u00e9l\u00fcnk.<\/p>\n<p>Ha egy kicsit val\u00f3sabb helyzetr\u0151l van sz\u00f3, minden webkiszolg\u00e1l\u00f3 fej-fej mellett halad.<\/p>\n<h3>\u00c1tviteli sebess\u00e9g:<\/h3>\n<p>\nA k\u00e9s\u00e9sek grafikonja az egyidej\u0171 kapcsolatok sz\u00e1m\u00e1t\u00f3l f\u00fcgg\u0151en. Ha sim\u00e1bb \u00e9s alacsonyabb \u2013 az jobb. Az utols\u00f3 2%-ot elt\u00e1vol\u00edtottuk a diagramokb\u00f3l, mert olvashatatlann\u00e1 tenn\u00e9 \u0151ket.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/ec6d8e53ce9ca16daf34d17e1a1cf7c6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/e73da00772632f630cb4e1227c9aa90c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/165b8f56f905727d5bb521196112645e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nMost n\u00e9zz\u00fck meg azt a lehet\u0151s\u00e9get, ahol a szerver virtu\u00e1lis t\u00e1rhelyen van elhelyezve. Vegy\u00fcnk 4 magot 2,2 GHz-el \u00e9s egy magot 1,8 GHz-el.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/f1b1f297f4dee8cd170effb2bf417cd8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/25bf2907b79e07cb97e7810fbab0a81c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/da649793b51fc10c6a7b3957c54f7b1d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/66ee865f013a804c1a6883068849f711.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/eaad6c11a75d6c809c71e0b78e9d0f33.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/7f0d0064d6d270aee7b334f4f6104f8b.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>Hogyan sk\u00e1l\u00e1z\u00f3dnak<\/h2>\n<p>\nHa valaha is l\u00e1ttad, hogyan n\u00e9znek ki az elektroncs\u00f6vek, pent\u00f3dok \u00e9s \u00edgy tov\u00e1bb, ezek a grafikonok ismer\u0151sek lesznek sz\u00e1modra. Ezt pr\u00f3b\u00e1ljuk megragadni \u2013 tel\u00edtetts\u00e9g. Az a hat\u00e1r, amikor b\u00e1rmennyi magot is haszn\u00e1lunk, a teljes\u00edtm\u00e9nyn\u00f6veked\u00e9s m\u00e1r nem lesz \u00e9szrevehet\u0151.<\/p>\n<p>Kor\u00e1bban a kih\u00edv\u00e1s abban \u00e1llt, hogy a lehet\u0151 legkisebb k\u00e9sleltet\u00e9ssel kezelj\u00fck a k\u00e9r\u00e9sek 98%-\u00e1t, \u00e9s a g\u00f6rb\u00e9t a lehet\u0151 legsim\u00e1bb\u00e1 tartsuk. Most egy m\u00e1sik g\u00f6rbe seg\u00edts\u00e9g\u00e9vel megtal\u00e1ljuk az optim\u00e1lis munkapontot minden szerver eset\u00e9ben.<\/p>\n<p>Ehhez vegy\u00fck figyelembe a m\u00e1sodpercenk\u00e9nti k\u00e9r\u00e9sek sz\u00e1m\u00e1t (RPR). A v\u00edzszintes tengelyen a frekvencia, a f\u00fcgg\u0151leges tengelyen pedig a m\u00e1sodpercenk\u00e9nt feldolgozott k\u00e9r\u00e9sek sz\u00e1ma, a vonalak pedig a magok sz\u00e1m\u00e1t jel\u00f6lik.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/a001a085582ae9038cb87fea2fa9dd62.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nItt l\u00e1that\u00f3 a korrel\u00e1ci\u00f3, mennyire j\u00f3l kezeli az Nginx a k\u00e9r\u00e9seket egym\u00e1s ut\u00e1n. 8 mag ebben a tesztel\u00e9sben jobban teljes\u00edt.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/4eec09cee7574f521a0e9fb256053bdc.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nEzen a grafikonon j\u00f3l l\u00e1tszik, mennyivel jobban (nem sokkal) m\u0171k\u00f6dik az Nginx egy magon. Ha az Nginx-et haszn\u00e1lod, \u00e9rdemes elgondolkodnod a magok sz\u00e1m\u00e1nak egyre cs\u00f6kkent\u00e9s\u00e9n, ha csak statikus tartalmat hoszt\u00e1lsz.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/183c211ab1ed69960ab5e606c284b422.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/3197721769223047246cc3b3be2e236b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/c3882b50d227b8e2015700d451b020c8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAz IIS, b\u00e1r a Chrome DevTools szerint a legalacsonyabb TTFB-vel rendelkezik, k\u00e9pes elvesz\u00edteni az Nginx \u00e9s az Apache el\u0151tt egy komoly stresszteszten az Apache Foundation-t\u0151l.<\/p>\n<p><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/964f92a23d85ea58681f481e8fa121e0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nA grafikonok g\u00f6rb\u00fclete vasban reproduk\u00e1lhat\u00f3. <\/p>\n<h2>Valamilyen k\u00f6vetkeztet\u00e9s:<\/h2>\n<p>\nIgen, az Apache vasban rosszabbul teljes\u00edt 1 \u00e9s 8 magon, de 4 magon kiss\u00e9 jobban m\u0171k\u00f6dik. <\/p>\n<p>Igen, az Nginx 8 magon jobban kezeli a k\u00e9r\u00e9seket egym\u00e1s ut\u00e1n, 1 \u00e9s 4 magon pedig rosszabbul teljes\u00edt, amikor sok kapcsolatra van sz\u00fcks\u00e9g.<\/p>\n<p>Igen, az IIS a 4 magot kedveli a t\u00f6bb sz\u00e1las terhel\u00e9sn\u00e9l, \u00e9s a 8 magot kedveli az egy sz\u00e1las terhel\u00e9sn\u00e9l. V\u00e9gs\u0151 soron az IIS kicsit gyorsabb volt mindegyikn\u00e9l 8 magon magas terhel\u00e9s alatt, b\u00e1r minden szerver egyenl\u0151 szinten mozgott.<\/p>\n<p>Ez nem m\u00e9r\u00e9si hiba, a hibahat\u00e1r itt nem t\u00f6bb, mint \u00b11 ms a k\u00e9sleltet\u00e9sekben, \u00e9s nem t\u00f6bb, mint \u00b12-3 k\u00e9r\u00e9s m\u00e1sodpercenk\u00e9nt az RPR eset\u00e9ben.<\/p>\n<p>A 8 magos eredm\u00e9nyek, amikor rosszabbul teljes\u00edtenek, egy\u00e1ltal\u00e1n nem meglep\u0151ek; sok mag \u00e9s SMT\/Hyperthreading jelent\u0151sen rontja a teljes\u00edtm\u00e9nyt, ha van egy id\u0151keret, amelyen bel\u00fcl a teljes pipelinet be kell fejezni.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/ultravds.com\/\"><img decoding=\"async\" alt=\"A WEB szerverek harca. 2. r\u00e9sz \u2013 re\u00e1lis HTTPS forgat\u00f3k\u00f6nyv:\" src=\"\/wp-content\/uploads\/2019\/12\/e530d5d2228f95edcd9c5af9339ee939.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ultravds\/blog\/482230\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e \u043c\u0435\u0442\u043e\u0434\u0438\u043a\u0435 \u043c\u044b \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u044b\u0432\u0430\u043b\u0438 \u0432 \u043f\u0435\u0440\u0432\u043e\u0439 \u0447\u0430\u0441\u0442\u0438 \u0441\u0442\u0430\u0442\u044c\u0438, \u0432 \u044d\u0442\u043e\u0439 \u043c\u044b \u0442\u0435\u0441\u0442\u0438\u0440\u0443\u0435\u043c HTTPS, \u043d\u043e \u0432 \u0431\u043e\u043b\u0435\u0435 \u0440\u0435\u0430\u043b\u0438\u0441\u0442\u0438\u0447\u043d\u044b\u0445 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u044f\u0445. \u0414\u043b\u044f \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u044b\u043b \u043f\u043e\u043b\u0443\u0447\u0435\u043d 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