{"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\/sk\/blog\/administrirovanie\/bitva-web-serverov-chast-2-realistichnyj-stsenarij-https","title":{"rendered":"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/3002396dbff5ba9ce06a715a7b0c4d2f.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nO metodike sme hovorili v <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ultravds\/blog\/478854\/\">prvej \u010dasti<\/a><\/noindex> \u010dl\u00e1nku, v tomto testujeme HTTPS, ale v realistickej\u0161\u00edch scen\u00e1roch. Na testovanie bol z\u00edskan\u00fd certifik\u00e1t Let's Encrypt a zapnuto kompresiu Brotli na 11.<\/p>\n<p>Tentoraz sa pok\u00fasime reprodukova\u0165 sc\u00e9nar nasadenia servera na VDS alebo ako virtu\u00e1lny stroj na hostingu s typick\u00fdm procesorom. Na tento \u00fa\u010del sme nastavili limit na:<\/p>\n<ul>\n<li>25% \u2014 \u010co v prepo\u010dte na frekvenciu ~ 1350 MHz<\/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>\nPo\u010det s\u00fa\u010dasn\u00fdch pripojen\u00ed sa zn\u00ed\u017eil zo 500 na 1, 3, 5, 7 a 9,<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>V\u00fdsledky:<\/h2>\n<p><\/p>\n<h3>Zdr\u017eanie:<\/h3>\n<p>\nTTFB bol osobitne vy\u010dlenen\u00fd ako samostatn\u00fd test, preto\u017ee HTTPD Tools pre ka\u017ed\u00fd jednotliv\u00fd dotaz vytv\u00e1ra akoby nov\u00e9ho pou\u017e\u00edvate\u013ea. Tento test je st\u00e1le dos\u0165 odtrhnut\u00fd od reality, preto\u017ee pou\u017e\u00edvate\u013e aj tak klikne na nieko\u013eko str\u00e1nok a v skuto\u010dnosti zohr\u00e1va hlavn\u00fa \u00falohu TTFP.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/cbed8f7c33e16c02d5f4a5b5351ec489.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nPrv\u00fd, vlastne \u00faplne prv\u00fd dotaz po prvom spusten\u00ed virtu\u00e1lneho stroja IIS sa sprac\u00fava v priemere za 120 ms.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/cb1655496a517a21038aa44102872969.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nV\u0161etky \u010fal\u0161ie dotazy vykazuj\u00fa TTFP 1,5 ms. Apache a Nginx zaost\u00e1vaj\u00fa. Osobne autor pova\u017euje tento test za najpukt\u00edvnej\u0161\u00ed a vyberal by v\u00ed\u0165aza len na jeho z\u00e1klade.<br \/>\nV\u00fdsledok nie je prekvapiv\u00fd, preto\u017ee IIS cache-uje u\u017e komprimovan\u00fd statick\u00fd obsah a nekomprimuje ho zaka\u017ed\u00fdm, ke\u010f je na\u0148 odkazovan\u00e9.<\/p>\n<h3>\u010cas str\u00e1ven\u00fd na jedn\u00e9ho klienta<\/h3>\n<p>\nNa hodnotenie v\u00fdkonu sta\u010d\u00ed aj test s 1 s\u00fa\u010dasn\u00fdm pripojen\u00edm. <br \/>\nNapr\u00edklad, IIS dokon\u010dil testovanie dlh\u00e9ho 5000 pou\u017e\u00edvate\u013eov za 40 sek\u00fand, to je 123 dotazov za sekundu.<\/p>\n<p>V grafoch ni\u017e\u0161ie je uveden\u00fd \u010das do \u00fapln\u00e9ho prenesenia obsahu str\u00e1nky. Toto je podiel dotazov vykonan\u00fdch v ur\u010ditom \u010dase. V na\u0161om pr\u00edpade 80% v\u0161etk\u00fdch dotazov bolo spracovan\u00fdch za 8 ms na IIS a za 4,5 ms na Apache a Nginx, a interval do 8 milisek\u00fand bol splnen\u00fd 98% v\u0161etk\u00fdch dotazov na Apache a Nginx.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/6ee8ef5dec443c21561a74bbd4cd9b0b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n\u010cas, za ktor\u00fd bolo spracovan\u00fdch 5000 dotazov:<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/f6501e87858f642406b41e3a94163189.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/b82e5d1bb3e2918ba923ecbea9539bfd.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n\u010cas, za ktor\u00fd bolo spracovan\u00fdch 5000 dotazov:<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/8ce3939b78b35ac5a710482f0929714e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nAk m\u00e1te virtu\u00e1lny stroj s 3,5 GHz CPU a 8 jadrami, vyberte si to, \u010do chcete. V\u0161etky webov\u00e9 servery s\u00fa ve\u013emi podobn\u00e9 v tomto testovan\u00ed. O tom, ak\u00fd webov\u00fd server vybra\u0165 pre ka\u017ed\u00fd hosting budeme diskutova\u0165 ni\u017e\u0161ie.<\/p>\n<p>Ak ide o trochu realistickej\u0161iu situ\u00e1ciu, v\u0161etky webov\u00e9 servery id\u00fa nos do nosa.<\/p>\n<h3>Priepustnos\u0165:<\/h3>\n<p>\nGraf zdr\u017eania v z\u00e1vislosti od po\u010dtu s\u00fa\u010dasn\u00fdch pripojen\u00ed. \u010c\u00edm rovnej\u0161ie a ni\u017e\u0161ie \u2013 t\u00fdm lep\u0161ie. Posledn\u00e9 2% boli vyhoden\u00e9 z grafov, preto\u017ee by ich spravili ne\u010ditate\u013en\u00fdmi.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/ec6d8e53ce9ca16daf34d17e1a1cf7c6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/e73da00772632f630cb4e1227c9aa90c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/165b8f56f905727d5bb521196112645e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nTeraz sa pozrieme na mo\u017enos\u0165, kde je server umiestnen\u00fd na virtu\u00e1lnom hostingu. Berieme 4 jadr\u00e1 po 2,2 GHz a jedno jadro na 1,8 GHz.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/f1b1f297f4dee8cd170effb2bf417cd8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/25bf2907b79e07cb97e7810fbab0a81c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/da649793b51fc10c6a7b3957c54f7b1d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/66ee865f013a804c1a6883068849f711.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/eaad6c11a75d6c809c71e0b78e9d0f33.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/7f0d0064d6d270aee7b334f4f6104f8b.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>Ako sa \u0161k\u00e1luj\u00fa<\/h2>\n<p>\nAk ste niekedy videli, ako vyzeraj\u00fa VAH elektrovakuov\u00e9 triody, pent\u00f3dy a podobne, tieto grafy v\u00e1m bud\u00fa zn\u00e1me. Pr\u00e1ve to sa sna\u017e\u00edme vystihn\u00fa\u0165 \u2013 satur\u00e1ciu. Hranicu, kedy ak\u00e9ko\u013evek mno\u017estvo jadier u\u017e nezaznamen\u00e1 \u017eiadny rast v\u00fdkonu.<\/p>\n<p>Predt\u00fdm bol celkov\u00fd cie\u013e spracova\u0165 98 % po\u017eiadaviek s minim\u00e1lnou latenciou pre v\u0161etky po\u017eiadavky, pri\u010dom krivka by mala by\u0165 \u010do najvyrovnanej\u0161ia. Teraz s pomocou vytvorenia inej krivky n\u00e1jdeme optim\u00e1lny pracovn\u00fd bod pre ka\u017ed\u00fd zo serverov.<\/p>\n<p>Za t\u00fdmto \u00fa\u010delom vezmeme ukazovate\u013e Requests per second (RPR). Na vodorovnej osi je frekvencia, na zvislej osi \u2013 po\u010det po\u017eiadaviek spracovan\u00fdch za sekundu, \u010diary \u2013 po\u010det jadier.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/a001a085582ae9038cb87fea2fa9dd62.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nZobrazuje sa korel\u00e1cia, ak\u00fdm sp\u00f4sobom Nginx spracov\u00e1va po\u017eiadavky jednu po druhej. 8 jadier v takomto teste sa ukazuje lep\u0161ie.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/4eec09cee7574f521a0e9fb256053bdc.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nNa tomto grafe je jasne vidie\u0165, ako je Nginx na jednom jadre len trochu lep\u0161\u00ed. Ak pou\u017e\u00edvate Nginx, mali by ste zv\u00e1\u017ei\u0165 zn\u00ed\u017eenie po\u010dtu jadier na jedno, ak host\u00edte len statiku.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/183c211ab1ed69960ab5e606c284b422.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/3197721769223047246cc3b3be2e236b.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/c3882b50d227b8e2015700d451b020c8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nIIS, hoci m\u00e1 najni\u0161\u00ed TTFB pod\u013ea DevTools v Chrome, sa v seri\u00f3znej s\u00fa\u0165a\u017ei so stresov\u00fdm testom od Apache Foundation ukazuje hor\u0161ie ne\u017e Nginx a Apache.<\/p>\n<p><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/964f92a23d85ea58681f481e8fa121e0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nCel\u00e1 krivos\u0165 grafov sa reprodukuje presne. <\/p>\n<h2>Dalo by sa poveda\u0165:<\/h2>\n<p>\n\u00c1no, Apache jednozna\u010dne pracuje hor\u0161ie na 1 a 8 jadr\u00e1ch, na 4 v\u0161ak pracuje o nie\u010do lep\u0161ie. <\/p>\n<p>\u00c1no, Nginx na 8 jadr\u00e1ch lep\u0161ie spracov\u00e1va po\u017eiadavky jednu po druhej, na 1 a 4 jadr\u00e1ch a hor\u0161ie funguje, ak je ve\u013ea pripojen\u00ed.<\/p>\n<p>\u00c1no, IIS preferuje 4 jadr\u00e1 pre viacvl\u00e1knov\u00fa z\u00e1\u0165a\u017e a preferuje 8 jadier pre jednovl\u00e1knov\u00fa. Na konci sa uk\u00e1zalo, \u017ee IIS bol trochu r\u00fdchlej\u0161\u00ed ako ostatn\u00e9 na 8 jadr\u00e1ch pri vysokej z\u00e1\u0165a\u017ei, hoci v\u0161etky servery boli na rovnakom leveli.<\/p>\n<p>Toto nie je chyba merania, odch\u00fdlka tu nie je viac ako \u00b11 ms v latenci\u00e1ch a nie viac ako \u00b12-3 po\u017eiadavky za sekundu pre RPR.<\/p>\n<p>V\u00fdsledky, ke\u010f sa 8 jadier prejavuje hor\u0161ie, nie s\u00fa prekvapuj\u00face, ve\u013ea jadier a SMT\/Hyperthreading zna\u010dne zhor\u0161uj\u00fa v\u00fdkon, ak m\u00e1me \u010dasov\u00e9 r\u00e1mce, v ktor\u00fdch mus\u00edme dokon\u010di\u0165 cel\u00fd pipeline.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/ultravds.com\/\"><img decoding=\"async\" alt=\"Bitka WEB serverov. \u010cas\u0165 2 \u2013 realistick\u00fd scen\u00e1r HTTPS:\" src=\"\/wp-content\/uploads\/2019\/12\/e530d5d2228f95edcd9c5af9339ee939.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><br \/>\n<br \/>Zdroj: <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 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442 Let\u2019s Encrypt, \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043e \u0441\u0436\u0430\u0442\u0438\u0435 Brotli \u043d\u0430 11. \u041d\u0430 \u044d\u0442\u043e\u0442 \u0440\u0430\u0437 \u043f\u043e\u043f\u0440\u043e\u0431\u0443\u0435\u043c \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0441\u0442\u0438 \u0441\u0446\u0435\u043d\u0430\u0440\u0438\u0439 \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u044b\u0432\u0430\u043d\u0438\u044f \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u043d\u0430 VDS \u0438\u043b\u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0448\u0438\u043d\u044b \u043d\u0430 \u0445\u043e\u0441\u0442\u0435 \u0441 \u0442\u0438\u043f\u043e\u0432\u044b\u043c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u043c. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u043b\u0438 \u043b\u0438\u043c\u0438\u0442 \u0432: [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-54585","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/bitva-web-serverov-chast-2-realistichnyj-stsenarij-https\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.5\" \/>\n\t\t<meta property=\"og:locale\" content=\"sk_SK\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c 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