{"id":78254,"date":"2020-04-18T01:42:42","date_gmt":"2020-04-17T23:42:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/veb-highload-kak-my-upravlyaem-trafikom-desyatkov-tysyach-domenov"},"modified":"2026-05-20T17:45:17","modified_gmt":"2026-05-20T15:45:17","slug":"veb-highload-kak-my-upravlyaem-trafikom-desyatkov-tysyach-domenov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/veb-highload-kak-my-upravlyaem-trafikom-desyatkov-tysyach-domenov","title":{"rendered":"Veeb-HighLoad \u2014 kuidas me haldame k\u00fcmnete tuhandete domeenide liiklust","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Legitiimne liiklus DDoS-Guardi v\u00f5rgus on hiljuti \u00fcletanud saja gigabiti sekundis. Praegu genereerivad 50% kogu meie liiklusest klientide veebiteenused. Need on k\u00fcmned tuhanded domeenid, v\u00e4ga erinevad ja enamikul juhtudel n\u00f5uavad individuaalset l\u00e4henemist.<\/p>\n<p>Allpool \u2014 kuidas me hallame eesnode ja v\u00e4ljastame <a class=\"wpil_keyword_link\" title=\"SSL-sertifikaadid\" href=\"https:\/\/prohoster.info\/et\/ssl-sertifikat\/\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"357\">SSL-sertifikaadid<\/a> sajale tuhandele veebisaidile.<\/p>\n<p><img decoding=\"async\" style=\"display: block; margin: 0 auto;\" src=\"\/wp-content\/uploads\/2020\/04\/5e4fece0f5039f0fb1af5ead9e0e0089.jpg\" alt=\"Veeb-HighLoad \u2014 kuidas me haldame k\u00fcmnete tuhandete domeenide liiklust\" \/><\/p>\n<p><a rel=\"nofollow\" name=\"habracut\"><\/a><\/p>\n<p>Eesnode seadmine \u00fche veebisaidi jaoks, isegi kui see on v\u00e4ga suur, on lihtne. V\u00f5tame nginx'i v\u00f5i haproxy v\u00f5i lighttpd, seadistame juhiste j\u00e4rgi ja unustame. Kui on vaja midagi muuta - teeme reload'i ja j\u00e4lle unustame.<\/p>\n<p>K\u00f5ik muutub, kui te t\u00f6\u00f6tlete suures mahus liiklust reaalajas, hindate p\u00e4ringute legitiimsust, tihendate ja vahetate kasutajasisu, ja samas muudate parameetreid mitu korda sekundis. Kasutaja soovib n\u00e4ha tulemusi k\u00f5igil v\u00e4liste nodede jooksul kohe p\u00e4rast seda, kui ta on oma isiklikus kabinetis seadeid muutnud. Ja kasutaja v\u00f5ib ka API kaudu \u00fcles laadida mitu tuhat (m\u00f5nikord ka k\u00fcmneid tuhandeid) domeene individuaalsete liikluse t\u00f6\u00f6tlemise parameetritega. See k\u00f5ik peab ka kohe toimima nii Ameerikas, Euroopas kui ka Aasias - \u00fclesanne pole sugugi triviaalne, arvestades, et \u00fcksi Moskvas on mitu f\u00fc\u00fcsiliselt, geograafiliselt eraldatud filtreerimise s\u00f5lme.<\/p>\n<h3>Miks on \u00fcle kogu maailma nii palju suuri ja usaldusv\u00e4\u00e4rseid s\u00f5lmi?<\/h3>\n<ul>\n<li>Kliendiliikluse teenindamise kvaliteet - USA-st tulevaid p\u00e4ringuid tuleb t\u00f6\u00f6delda just Ameerikas (ka r\u00fcnnakute, andmete kaevandamise ja muude anomaaliate osas), mitte tuua neid Moskvasse v\u00f5i Euroopasse, et ettearvamatu viivituse protsessi suurendada.<\/li>\n<li>R\u00fcndeliiklust tuleb lokaliseerida - \u00fcleminekute operaatorid v\u00f5ivad r\u00fcnnakute ajal kehvast t\u00f6\u00f6 kvaliteedist kannatada, mille mahud \u00fcletavad sageli 1Tbps. R\u00fcndeliiklust transatlantiliste v\u00f5i transaasia linkide kaudu transportida - ei ole parim idee. Meil on olnud reaalsed juhtumid, kus Tier-1 operaatorid \u00fctlesid: 'R\u00fcnnakute mahud, mida te vastu v\u00f5tate, on meile ohtlikud'. Just seep\u00e4rast aktsepteerime sisse tulevaid voogusid nii l\u00e4hedal nende allikatele kui v\u00f5imalik.<\/li>\n<li>Ranged maintainability requirements are crucial \u2014 the clean centers should not depend on each other or the local events in our rapidly changing world. Power was cut to all 11 floors of MMT-9 for a week? \u2014 No problem. Not a single client not physically connected in this location will be affected, and web services will remain intact under any circumstances.<\/li>\n<\/ul>\n<h3>How to manage all of this?<\/h3>\n<p>Service configurations must propagate to all front nodes as quickly as possible (ideally instantly). You can't just rebuild text configs and restart daemons at every change \u2014 nginx holds terminating processes (worker shutting down) for several minutes (or even hours if there are lengthy websocket sessions).<\/p>\n<p>When reloading nginx configuration, the following scenario is perfectly normal:<\/p>\n<p><img decoding=\"async\" style=\"display: block; margin: 0 auto;\" src=\"\/wp-content\/uploads\/2020\/04\/6a1ffc01ad9bac1e51d46c3130ea2a37.jpg\" alt=\"Veeb-HighLoad \u2014 kuidas me haldame k\u00fcmnete tuhandete domeenide liiklust\" \/><\/p>\n<p>Regarding memory utilization:<\/p>\n<p><img decoding=\"async\" style=\"display: block; margin: 0 auto;\" src=\"\/wp-content\/uploads\/2020\/04\/d356134b0866b8c92a3d5f7a3a8df208.jpg\" alt=\"Veeb-HighLoad \u2014 kuidas me haldame k\u00fcmnete tuhandete domeenide liiklust\" \/><\/p>\n<p>Old workers consume memory, including memory not linearly dependent on the number of connections \u2014 this is normal. When client connections close, this memory will be freed.<\/p>\n<p>Why wasn't this a problem when nginx first started evolving? There was neither HTTP\/2, nor WebSocket, nor large numbers of long keep-alive connections. 70% of our web traffic is HTTP\/2, which involves very long connections.<\/p>\n<p>The solution is simple \u2014 do not use nginx, do not manage fronts based on text files, and definitely do not run zipped text configurations across transpacific channels. These channels are guaranteed and reserved, but that doesn\u2019t make them any less transcontinental.<\/p>\n<p>Meil on oma oma eesmine server-balanseer, mille sisust r\u00e4\u00e4gin j\u00e4rgmistes artiklites. Peamine asi, mida ta oskab, on rakendada tuhandeid konfiguratsioonimuutusi sekundis reaalajas, ilma taask\u00e4ivituste, laadimiste v\u00f5i j\u00e4rskude m\u00e4lu tarbimise t\u00f5usudeta. See sarnaneb v\u00e4ga Hot Code Reload'iga, n\u00e4iteks Erlangis. Andmed salvestatakse geov\u00e4\u00e4rise key-value andmebaasi ja loetakse koheselt ette t\u00e4itmismehhanismide poolt. St, te laadisite SSL-sertifikaadi l\u00e4bi veebiliidese v\u00f5i API Moskvas ja m\u00f5ne sekundi p\u00e4rast on see juba valmis t\u00f6\u00f6tamiseks meie puhastuspunktis Los Angeleses. Kui peaks juhtuma maailmas\u00f5da ja internet kaoks \u00fcle kogu maailma, siis meie nodid j\u00e4tkavad autonoomset t\u00f6\u00f6tamist ja parandavad split-brain'i, kui \u00fcks meie p\u00fchendatud kanalitest Los Angeles-Amsterdam-Moskva, Moskva-Amsterdam-Hongkong-Los Angeles v\u00f5i v\u00e4hemalt \u00fcks varu\u00fclekande GRE on j\u00e4lle saadaval.<\/p>\n<p>Sama mehhanism v\u00f5imaldab meil koheselt v\u00e4ljastada ja pikendada <a href=\"https:\/\/prohoster.info\/et\/\">Let&#8217;s Encrypti sertifikaadid.<\/a> V\u00e4ga lihtsustatult t\u00f6\u00f6tab see nii:<\/p>\n<ol>\n<li>Niipea, kui me n\u00e4eme v\u00e4hemalt \u00fchte HTTPS-p\u00e4ringut meie kliendi domeeni kohta ilma sertifikaadita (v\u00f5i aegunud sertifikaadiga), teavitab p\u00e4ringu vastu v\u00f5tav v\u00e4line node sisemist sertifitseerimiskeskust.\n<p><img decoding=\"async\" style=\"display: block; margin: 0 auto;\" src=\"\/wp-content\/uploads\/2020\/04\/20830ee7c4ea57ec1d0833f0bc25412d.jpg\" alt=\"Veeb-HighLoad \u2014 kuidas me haldame k\u00fcmnete tuhandete domeenide liiklust\" \/><\/li>\n<li>Kui kasutaja ei keela Let&#8217;s Encrypt'i v\u00e4ljastamist, genereerib sertifitseerimiskeskus CSR-i, saab LE-st kinnitustokeni ja saadab selle k\u00f5ikidele frontidele kr\u00fcpteeritud kanali kaudu. N\u00fc\u00fcd v\u00f5ib iga s\u00f5lm kinnitada LE-st valideerimise taotluse.\n<p><img decoding=\"async\" style=\"display: block; margin: 0 auto;\" src=\"\/wp-content\/uploads\/2020\/04\/1c8b295065f27c1b69c810ff74ce4018.jpg\" alt=\"Veeb-HighLoad \u2014 kuidas me haldame k\u00fcmnete tuhandete domeenide liiklust\" \/><\/li>\n<li>M\u00f5ne hetke p\u00e4rast saame \u00f5ige sertifikaadi ja privaatv\u00f5tme ning saadame need samuti frontidele. Taaskord ilma demonite taask\u00e4ivitamiseta.\n<p><img decoding=\"async\" style=\"display: block; margin: 0 auto;\" src=\"\/wp-content\/uploads\/2020\/04\/e4fc349089fbf7cbe7824ea539865daf.jpg\" alt=\"Veeb-HighLoad \u2014 kuidas me haldame k\u00fcmnete tuhandete domeenide liiklust\" \/><\/li>\n<li>Seitsme p\u00e4eva p\u00e4rast kehtivuse l\u00f5ppt\u00e4htaega algatatakse sertifikaadi uuesti saamise protseduur.<\/li>\n<\/ol>\n<p>Praegu rotatsioonime reaalajas 350 000 sertifikaati t\u00e4iesti l\u00e4bipaistvalt kasutajatele.<\/p>\n<p>J\u00e4rgmistes artiklite ts\u00fcklites r\u00e4\u00e4gin muudest reaalajas t\u00f6\u00f6tlemise erip\u00e4radest suure veebiliikluse osas \u2014 n\u00e4iteks RTT anal\u00fc\u00fcsist mittet\u00e4ielike andmete p\u00f5hjal, et parandada \u00fcleminek klientide teenuse kvaliteeti, ja \u00fcldiselt, transitiliikluse kaitset terabiti r\u00fcnnakute eest, liikluse edastamisest ja kogumisest, WAF-ist, peaaegu piiritust CDN-ist ja paljusid sisu esitamise optimeerimise mehhanisme.<\/p>\n<p class=\"for_users_only_msg\">Ainult registreeritud kasutajad saavad k\u00fcsitluses osaleda. <a href=\"https:\/\/habr.com\/ru\/auth\/login\/\" rel=\"nofollow\">Logige sisse<\/a>, palun.<\/p>\n<h2 class=\"default-block__polling-title\">Millest sooviksite k\u00f5igepealt teada?<\/h2>\n<ul class=\"poll-result\">\n<li class=\"poll-result__item\"><strong class=\"poll-result__data-percent\">14,3%<\/strong>Klastri ja veebiliikluse kvaliteedi anal\u00fc\u00fcs<\/li>\n<li class=\"poll-result__item\"><strong class=\"poll-result__data-percent  poll-result__data-percent_winner\">33,3%<\/strong>DDoS-Guard balansseerijate sisemus<\/li>\n<li class=\"poll-result__item\"><strong class=\"poll-result__data-percent\">9,5%<\/strong>L3\/L4 transiitt\u00e4ienduste kaitse<\/li>\n<li class=\"poll-result__item\"><strong class=\"poll-result__data-percent\">0,0%<\/strong>Veebisaitide kaitse transiidiliikluse puhul<\/li>\n<li class=\"poll-result__item\"><strong class=\"poll-result__data-percent\">14,3%<\/strong>Veebirakenduse tulem\u00fc\u00fcri kaitse<\/li>\n<li class=\"poll-result__item\"><strong class=\"poll-result__data-percent\">28,6%<\/strong>Kaitse kraapimise ja klikkide eest<\/li>\n<\/ul>\n<p>21 kasutajat h\u00e4\u00e4letas. 6 kasutajat ei h\u00e4\u00e4letanud.<\/p>\n<p>Allikas: <a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/ddosguard\/blog\/497632\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041b\u0435\u0433\u0438\u0442\u0438\u043c\u043d\u044b\u0439 \u0442\u0440\u0430\u0444\u0438\u043a \u0432 \u0441\u0435\u0442\u0438 DDoS-Guard \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u043f\u0440\u0435\u0432\u044b\u0441\u0438\u043b \u0441\u043e\u0442\u043d\u044e \u0433\u0438\u0433\u0430\u0431\u0438\u0442 \u0432 \u0441\u0435\u043a\u0443\u043d\u0434\u0443. \u0421\u0435\u0439\u0447\u0430\u0441 50% \u0432\u0441\u0435\u0433\u043e \u043d\u0430\u0448\u0435\u0433\u043e \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u044e\u0442 \u0432\u0435\u0431-\u0441\u0435\u0440\u0432\u0438\u0441\u044b \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432. \u042d\u0442\u043e \u043c\u043d\u043e\u0433\u0438\u0435 \u0434\u0435\u0441\u044f\u0442\u043a\u0438 \u0442\u044b\u0441\u044f\u0447 \u0434\u043e\u043c\u0435\u043d\u043e\u0432, \u043e\u0447\u0435\u043d\u044c \u0440\u0430\u0437\u043d\u044b\u0445 \u0438 \u0432 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0435 \u0441\u043b\u0443\u0447\u0430\u0435\u0432 \u0442\u0440\u0435\u0431\u0443\u044e\u0449\u0438\u0445 \u0438\u043d\u0434\u0438\u0432\u0438\u0434\u0443\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u043e\u0434\u0445\u043e\u0434\u0430. \u041f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c \u2014 \u043a\u0430\u043a \u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c \u0444\u0440\u043e\u043d\u0442-\u043d\u043e\u0434\u0430\u043c\u0438 \u0438 \u0432\u044b\u0434\u0430\u0435\u043c SSL-\u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0434\u043b\u044f \u0441\u043e\u0442\u0435\u043d \u0442\u044b\u0441\u044f\u0447 \u0441\u0430\u0439\u0442\u043e\u0432. \u041d\u0430\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0444\u0440\u043e\u043d\u0442 \u0434\u043b\u044f \u043e\u0434\u043d\u043e\u0433\u043e \u0441\u0430\u0439\u0442\u0430, \u043f\u0443\u0441\u0442\u044c \u0434\u0430\u0436\u0435 \u043e\u0447\u0435\u043d\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":78255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-78254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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