{"id":53623,"date":"2019-12-06T00:00:00","date_gmt":"2019-12-05T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/bitva-web-serverov-chast-1-otorvannyj-ot-realnosti-http"},"modified":"2020-02-18T14:01:33","modified_gmt":"2020-02-18T11:01:33","slug":"bitva-web-serverov-chast-1-otorvannyj-ot-realnosti-http","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/bitva-web-serverov-chast-1-otorvannyj-ot-realnosti-http","title":{"rendered":"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V tomto \u010dl\u00e1nku se pokus\u00edme o reverzn\u00ed in\u017een\u00fdrstv\u00ed, d\u00e1 se \u0159\u00edct. Nahl\u00e9dneme na\u0161imi \u0161pinav\u00fdmi rukama pod kapotu ka\u017ed\u00e9ho z webov\u00fdch server\u016f a vyu\u017eijeme je tak, jak by je nikdo jin\u00fd nikdy nevyu\u017eil.<\/p>\n<p>Tento test je m\u011b\u0159en\u00edm sf\u00e9rick\u00e9ho kon\u011b ve vakuu, jsou to jen data, kter\u00e1 byla z\u00edsk\u00e1na, a nyn\u00ed nev\u00edme, co s nimi d\u011blat.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ultravds\/blog\/478854\/\"><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/3a7956c368c3ba63ef6373674804acaa.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>Metodika<\/h2>\n<p>\nJako opera\u010dn\u00ed syst\u00e9m pro Nginx a Apache slou\u017e\u00ed Ubuntu 18.04 LTS, pro IIS Windows Server Core 2019. V\u0161echny opera\u010dn\u00ed syst\u00e9my p\u0159ed testy dostaly posledn\u00ed aktualizace k datu 04.12.2019.<\/p>\n<p>Testy byly prov\u00e1d\u011bny v\u00fdhradn\u011b po HTTP. Na ka\u017ed\u00e9m z webov\u00fdch server\u016f b\u011b\u017eela stejn\u00e1 str\u00e1nka, zdarma dostupn\u00e1 \u0161ablona pro Jekyll od Codrops. <noindex><a rel=\"nofollow\" href=\"https:\/\/tympanus.net\/codrops\/2018\/04\/20\/freebie-oasis-jekyll-website-template\/\">Odkaz<\/a><\/noindex>. Na ka\u017ed\u00e9m z webov\u00fdch server\u016f bylo vypnuto komprese gzip.<\/p>\n<p>Test propustnosti byl prov\u00e1d\u011bn s Httpd-tools s argumenty:<\/p>\n<pre><code class=\"plaintext\">ab -n 50000 -c 500 http:\/\/192.168.76.204:80\/<\/code><\/pre>\n<p>\nNa servery byl nastaven limit 10, 5 a 1 procento od j\u00e1dra na 8, 4 a jednom j\u00e1d\u0159e. Testovac\u00ed stanice byla po\u010d\u00edta\u010d s 9900K@5400MHz, co\u017e znamen\u00e1, \u017ee server, kter\u00fd dostal omezen\u00ed 10%, z\u00edsk\u00e1v\u00e1 p\u0159ibli\u017en\u011b 540MHz na j\u00e1dro.<\/p>\n<p>Test TTFB byl proveden p\u0159i prvn\u00edm na\u010dten\u00ed serveru a m\u011b\u0159il se pomoc\u00ed DevTools, po z\u00edsk\u00e1n\u00ed v\u00fdsledku byl server vypnut a vr\u00e1cen na p\u0159edchoz\u00ed kontroln\u00ed bod, aby se vylou\u010dila jak\u00e1koliv forma cache.<\/p>\n<p>Tester a webov\u00fd server byly na stejn\u00e9m hostiteli a na stejn\u00e9m virtu\u00e1ln\u00edm p\u0159ep\u00edna\u010di.<\/p>\n<p>Abychom hned vyhodnotili diskov\u00fd subsyst\u00e9m, v\u00fdsledky benchmark\u016f ATTO a CrystalDIskMark, abychom m\u011bli p\u0159edstavu o \u00fazk\u00fdch m\u00edstech.<\/p>\n<p><b class=\"spoiler_title\">Data byla z\u00edsk\u00e1na z virtu\u00e1ln\u00edho stroje:<\/b><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/c2a464331084fc9abc85c78801d6fdcd.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/a991f1269577e0d518d9d8d7e8781504.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/a016306c7758bcb9552543ce9b650821.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/14d0219d1316ea478d65106658e0da73.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<h2>V\u00fdsledky:<\/h2>\n<p>\nTTFB:<\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/49a5364dae59253537c31b128472c018.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Pr\u016fm\u011brn\u00fd TTFB u IIS je nejni\u017e\u0161\u00ed, 0,5ms, oproti 1,4ms u Apache a 4ms u Nginx.<\/i><\/p>\n<p><b>Pr\u016fchodnost:<\/b><\/p>\n<p>Nejprve se pod\u00edv\u00e1me, jak dob\u0159e se ka\u017ed\u00fd ze server\u016f \u0161k\u00e1luje podle po\u010dtu jader.<\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/9f6f221213d37a9349eac889ad6a1c86.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nNa grafu je zn\u00e1zorn\u011bn po\u010det po\u017eadavk\u016f testuj\u00edc\u00edho na webov\u00fd server a latence. Na grafu je vid\u011bt, \u017ee NGINX zpracoval 98% v\u0161ech po\u017eadavk\u016f a poskytl str\u00e1nku za 20ms a m\u00e9n\u011b. IIS, stejn\u011b jako Apache, zpracoval posledn\u00edch 5% ze v\u0161ech po\u017eadavk\u016f za 76ms a 14ms respektive.<\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/903b294d00e5c7b65cf0380c012e1a24.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/6a0822bb8261a40514fa899a0eb33145.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/e66a72b5c84a70867085f6967dc58f51.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nNa grafu je zn\u00e1zorn\u011bn pr\u016fm\u011brn\u00fd \u010das zpracov\u00e1n\u00ed jednoho po\u017eadavku b\u011bhem z\u00e1t\u011b\u017eov\u00e9ho testu.<\/p>\n<p>Jak je mo\u017en\u00e9 vid\u011bt z graf\u016f, IIS prohr\u00e1l s ob\u011bma, Apache a Nginx, zna\u010dn\u011b zpomalil p\u0159i vysok\u00e9 z\u00e1t\u011b\u017ei.\u00a0<\/p>\n<p>IIS o\u010dividn\u011b preferoval 4 j\u00e1dra p\u0159ed osmi, vykazoval men\u0161\u00ed latenci na \u010dty\u0159ech, ale tak\u00e9 p\u0159\u00edli\u0161 neschvaloval ani jedno j\u00e1dro.<\/p>\n<p>NGINX se skv\u011ble \u0161k\u00e1luje na v\u0161ech 8 j\u00e1drech, zat\u00edmco pro Apache se zd\u00e1, \u017ee jednoj\u00e1drov\u00fd sc\u00e9n\u00e1\u0159 je t\u00edm nejlep\u0161\u00edm \u0159e\u0161en\u00edm.<\/p>\n<h2>\u0160k\u00e1lovatelnost:<\/h2>\n<p>\n<b>Nginx:<\/b><\/p>\n<p>Nyn\u00ed se pod\u00edv\u00e1me na \u0161k\u00e1lovatelnost podle frekvence a po\u010dtu jader.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/526bc9786e458b40d8831d46a7773ada.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nTesty s omezen\u00edm na 1% na 4 a 1 j\u00e1dru Nginx nepro\u0161el, po p\u0159ekro\u010den\u00ed 2000 po\u017eadavk\u016f p\u0159eru\u0161il spojen\u00ed s testerem.<\/p>\n<p><b>Apache:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/be0862743523ff3dc334904987922b86.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nApache, stejn\u011b jako Nginx, po zpracov\u00e1n\u00ed 2500 po\u017eadavk\u016f vzdal a p\u0159eru\u0161il spojen\u00ed. Apache nepro\u0161el testem na 8, 4 a 1 j\u00e1dru s limitem 1%, nav\u00edc nepro\u0161el ani testem s 5% omezen\u00edm na jednom j\u00e1dru, co\u017e je hor\u0161\u00ed ne\u017e Nginx.<\/p>\n<p><b>IIS:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/d16bfc3ad3bcae98c8d37cc7b34d5fe9.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nIIS b\u011bhem test\u016f vytvo\u0159il obrovskou frontu po\u017eadavk\u016f, ale zpracoval ka\u017ed\u00fd z nich. Z\u0159ejm\u011b v n\u011bm nen\u00ed standardn\u011b nastaven timeout pro zpracov\u00e1n\u00ed po\u017eadavku.<\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/ee9f7af9f881c15a165b1b68eb4950d6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nNa diagramu je zn\u00e1zorn\u011bn \u010das, za kter\u00fd byl test dokon\u010den. Byly vylou\u010deny zcela absurdn\u00ed konfigurace testov\u00e1n\u00ed. Z diagramu je vid\u011bt, jak velmi IIS vy\u017eaduje hardware a jak vynikaj\u00edc\u00ed je NGINX.<\/p>\n<h2>\u0160k\u00e1lovatelnost podle disku:<\/h2>\n<p>\n<b>Nginx:<\/b><\/p>\n<p>Nyn\u00ed se pod\u00edv\u00e1me na \u0161k\u00e1lovatelnost podle frekvence, po\u010dtu jader a rychlosti disku.\u00a0<\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/978b210f1f8bb8b8b4f64b9882385f8c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nTentokr\u00e1t Nginx nepro\u0161el 4 testy, m\u00edsto dvou.<\/p>\n<p><b>Apache:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/eaa85257cd0c15b8184c1094ff070049.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nApache selhal v r\u00e1mci stejn\u00e9ho po\u010dtu test\u016f jako naposledy.<\/p>\n<p><b>IIS:<\/b><\/p>\n<p><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/553764705cf7fba6e341cc82c4c7f5b6.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nIIS ukazuje t\u00e9m\u011b\u0159 identick\u00fd graf, jako by \u017e\u00e1dn\u00e9 omezen\u00ed na disk neexistovalo. Celkov\u011b se grafy v\u0161ech server\u016f moc nezm\u011bnily, co\u017e znamen\u00e1, \u017ee ka\u017ed\u00fd z nich si uchoval statiku v opera\u010dn\u00ed pam\u011bti a poskytoval ji odtud. Zde vid\u00edme hlavn\u00ed \u00fazk\u00e9 m\u00edsto \u2013 samotn\u00fd webov\u00fd server.<\/p>\n<p>Je p\u0159\u00edli\u0161 brzy na to, abychom vyvodili z\u00e1v\u011bry z tohoto testov\u00e1n\u00ed, je\u0161t\u011b jsme netestovali HTTPS, kompresi a HTTP\/2 s \u017eiv\u00fdm certifik\u00e1tem od Let\u2019s Encrypt. O tom budeme hovo\u0159it v dal\u0161\u00edm \u010dl\u00e1nku.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/ultravds.com\/\"><img decoding=\"async\" alt=\"Bitva webov\u00fdch server\u016f. \u010c\u00e1st 1 \u2013 odtr\u017een\u00fd od reality HTTP:\" src=\"\/wp-content\/uploads\/2019\/12\/dd11cfe995504ef694c618e2f9318523.jpeg\" 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\/478854\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b \u043f\u043e\u043f\u0440\u043e\u0431\u0443\u0435\u043c \u0441\u0435\u0431\u044f \u0432 \u0440\u0435\u0432\u0435\u0440\u0441-\u0438\u043d\u0436\u0438\u043d\u0438\u0440\u0438\u043d\u0433\u0435, \u043c\u043e\u0436\u043d\u043e \u0441\u043a\u0430\u0437\u0430\u0442\u044c. \u041c\u044b \u0437\u0430\u0433\u043b\u044f\u043d\u0435\u043c \u0441\u0432\u043e\u0438\u043c\u0438 \u0433\u0440\u044f\u0437\u043d\u044b\u043c\u0438 \u0440\u0443\u043a\u0430\u043c\u0438 \u043f\u043e\u0434 \u043a\u0430\u043f\u043e\u0442 \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0438\u0437 \u0432\u0435\u0431-\u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u044f \u0438\u0445 \u0442\u0430\u043a, \u043a\u0430\u043a \u043d\u0438\u043a\u0442\u043e \u0431\u044b \u043d\u0438\u043a\u043e\u0433\u0434\u0430 \u043d\u0435 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043b. \u042d\u0442\u043e\u0442 \u0442\u0435\u0441\u0442 \u2013 \u0437\u0430\u043c\u0435\u0440 \u0441\u0444\u0435\u0440\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043a\u043e\u043d\u044f \u0432 \u0432\u0430\u043a\u0443\u0443\u043c\u0435, \u043d\u0435 \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u044b\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u044b, \u0438 \u043c\u044b \u0442\u0435\u043f\u0435\u0440\u044c \u043d\u0435 \u0437\u043d\u0430\u0435\u043c, \u0447\u0442\u043e \u0441 \u043d\u0438\u043c\u0438 \u0434\u0435\u043b\u0430\u0442\u044c. \u041c\u0435\u0442\u043e\u0434\u0438\u043a\u0430 \u0412 [&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-53623","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u044d\u0442\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b 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