{"id":69346,"date":"2020-02-18T14:44:04","date_gmt":"2020-02-18T11:44:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/rabbitmq-chast-1-introduction-erlang-amqp"},"modified":"2020-03-03T16:14:59","modified_gmt":"2020-03-03T13:14:59","slug":"rabbitmq-chast-1-introduction-erlang-amqp","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/rabbitmq-chast-1-introduction-erlang-amqp","title":{"rendered":"RabbitMQ. \u010cas\u0165 1. \u00davod. Erlang, AMQP","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dobr\u00fd de\u0148, Habr! Chcem sa podeli\u0165 o pr\u00edru\u010dku, ktor\u00fa som zostavil o <code>RabbitMQ<\/code> a zhrnu\u0165 do kr\u00e1tkych odpor\u00fa\u010dan\u00ed a z\u00e1verov. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h3 id=\"oglavlenie\">Obsah<\/h3>\n<p><\/p>\n<ul>\n<li>RabbitMQ. \u010cas\u0165 1. \u00davod. Erlang, AMQP a RPC<\/li>\n<li>RabbitMQ. \u010cas\u0165 2. Rozoberieme si Exchanges<\/li>\n<li>RabbitMQ. \u010cas\u0165 3. Pochopenie Queues a Bindings<\/li>\n<li>RabbitMQ. \u010cas\u0165 4. Zaober\u00e1me sa t\u00fdm, \u010do s\u00fa spr\u00e1vy a r\u00e1mce<\/li>\n<li>RabbitMQ. \u010cas\u0165 5. V\u00fdkon publikovania a spotreby spr\u00e1v<\/li>\n<li>RabbitMQ. \u010cas\u0165 6. Preh\u013ead modulov Federation a Shovel<\/li>\n<li>RabbitMQ. \u010cas\u0165 7. Podrobne o Connection a Channel<\/li>\n<li>RabbitMQ. \u010cas\u0165 8. RabbitMQ v .NET<\/li>\n<li>RabbitMQ. \u010cas\u0165 9. Monitorovanie<\/li>\n<\/ul>\n<p><\/p>\n<h3 id=\"kratko-pro-amqp\">Stru\u010dne o AMQP<\/h3>\n<p><\/p>\n<blockquote><p>AMQP (Advanced Message Queuing Protocol) \u2014 otvoren\u00fd protokol na prenos spr\u00e1v medzi komponentmi syst\u00e9mu. Hlavn\u00e1 my\u0161lienka spo\u010d\u00edva v tom, \u017ee jednotliv\u00e9 subsyst\u00e9my (alebo nez\u00e1visl\u00e9 aplik\u00e1cie) m\u00f4\u017eu medzi sebou vymie\u0148a\u0165 spr\u00e1vy prostredn\u00edctvom AMQP brokera, ktor\u00fd vykon\u00e1va preposielanie, m\u00f4\u017ee zaru\u010di\u0165 doru\u010denie, rozde\u013eovanie pr\u00fadov d\u00e1t, predplatn\u00e9 na po\u017eadovan\u00e9 typy spr\u00e1v.<\/p><\/blockquote>\n<p>Protokol <code>AMQP<\/code> zav\u00e1dza tri pojmy:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"RabbitMQ. \u010cas\u0165 1. \u00davod. Erlang, AMQP\" src=\"\/wp-content\/uploads\/2020\/02\/bb523c277776ca1ae13fcb9eb10788df.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<ul>\n<li><code>exchange<\/code> (v\u00fdmena) \u2014 je to miesto, kam sa posielaj\u00fa spr\u00e1vy. V\u00fdmena <strong>distribuuje spr\u00e1vy<\/strong> do jednej alebo viacer\u00fdch front. Ona <strong>smeruje spr\u00e1vy do fronty<\/strong> na z\u00e1klade vytvoren\u00fdch v\u00e4zieb (<code>binding<\/code>) medzi \u0148ou a frontou<\/li>\n<li><code>queue<\/code> (fronta) \u2014 d\u00e1tov\u00e1 \u0161trukt\u00fara na disku alebo v opera\u010dnej pam\u00e4ti, ktor\u00e1 <strong>uchov\u00e1va odkazy na spr\u00e1vy a poskytuje k\u00f3pie spr\u00e1v <code>consumers<\/code><\/strong> (spotrebite\u013eom)<\/li>\n<li><code>binding<\/code> (v\u00e4zba) \u2014 pravidlo, ktor\u00e9 <strong>oznamuje v\u00fdmene, do ktorej fronty by tieto spr\u00e1vy mali \u00eds\u0165<\/strong><\/li>\n<\/ul>\n<p><\/p>\n<p>Protokol funguje nad <noindex><a rel=\"nofollow\" href=\"https:\/\/www.amqp.org\/product\/architecture\">TCP\/IP<\/a><\/noindex>.<\/p>\n<p><\/p>\n<h3 id=\"kratko-pro-erlang\">Stru\u010dne o Erlang<\/h3>\n<p><\/p>\n<p>Zdrojov\u00fd k\u00f3d projektu sa nach\u00e1dza v repozit\u00e1ri na <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rabbitmq\">GitHub<\/a><\/noindex>. Architekt\u00fara <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rabbitmq\/rabbitmq-server\">RabbitMQ-server<\/a><\/noindex> je zalo\u017een\u00e1 na <noindex><a rel=\"nofollow\" href=\"https:\/\/www.erlang.org\/\">Erlang<\/a><\/noindex> a BEAM.<\/p>\n<p><\/p>\n<blockquote><p><code>Erlang<\/code> vyvinula spolo\u010dnos\u0165 <code>Ericsson<\/code> v polovici 80. rokov ako distribuovan\u00fd, odoln\u00fd vo\u010di poruch\u00e1m, re\u00e1lny syst\u00e9m pre aplik\u00e1cie, ktor\u00e9 vy\u017eaduj\u00fa bezporuchov\u00fa prev\u00e1dzku 99,999%. <code>Erlang<\/code> pou\u017e\u00edva sa v r\u00f4znych odvetviach a modern\u00fdch aplik\u00e1ci\u00e1ch, napr\u00edklad v <code>WhatsApp<\/code>. Viac sa m\u00f4\u017eete do\u010d\u00edta\u0165 v \u010dl\u00e1nku <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/276951\/\">architekt\u00fara WhatsApp, ktor\u00fa Facebook zak\u00fapil za 19 mili\u00e1rd dol\u00e1rov<\/a><\/noindex><\/p><\/blockquote>\n<p><\/p>\n<h3 id=\"kratko-pro-rabbitmq\">Stru\u010dne o RabbitMQ<\/h3>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.rabbitmq.com\/\">RabbitMQ<\/a><\/noindex> je broker spr\u00e1v s otvoren\u00fdm zdrojov\u00fdm k\u00f3dom. Smeruje spr\u00e1vy pod\u013ea v\u0161etk\u00fdch z\u00e1kladn\u00fdch princ\u00edpov protokolu <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/AMQP\">AMQP<\/a><\/noindex> pop\u00edsan\u00fdch v <noindex><a rel=\"nofollow\" href=\"http:\/\/www.amqp.org\/resources\/download\">\u0161pecifik\u00e1cie<\/a><\/noindex>. <code>RabbitMQ<\/code> realizuje a dop\u013a\u0148a protokol <code>AMQP<\/code>.<\/p>\n<p><\/p>\n<p>Hlavn\u00e1 my\u0161lienka modelu v\u00fdmeny spr\u00e1v v <code>RabbitMQ<\/code> spo\u010d\u00edva v tom, \u017ee <code>producer<\/code> (vydavate\u013e) neodosiela spr\u00e1vy priamo do fronty. V skuto\u010dnosti a dos\u0165 \u010dasto vydavate\u013e ani nevie, \u010di bude spr\u00e1va v\u00f4bec doru\u010den\u00e1 do nejakej fronty. <\/p>\n<p><\/p>\n<p>Namiesto toho m\u00f4\u017ee vydavate\u013e odosiela\u0165 spr\u00e1vy iba na v\u00fdmenn\u00edk. Na jednej strane v\u00fdmenn\u00edk prij\u00edma spr\u00e1vy od vydavate\u013eov, na druhej strane ich odosiela do front. V\u00fdmenn\u00edk mus\u00ed presne vedie\u0165, \u010do robi\u0165 s prijatou spr\u00e1vou. M\u00e1 by\u0165 pridan\u00e1 do ur\u010ditej fronty? M\u00e1 by\u0165 pridan\u00e1 do nieko\u013ek\u00fdch front? Alebo m\u00e1 by\u0165 spr\u00e1va ignorovan\u00e1.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"RabbitMQ. \u010cas\u0165 1. \u00davod. Erlang, AMQP\" src=\"\/wp-content\/uploads\/2020\/02\/1deaebddebde216b8f706953ddf2d3c6.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Pr\u00e1cu <code>RabbitMQ<\/code> je mo\u017en\u00e9 op\u00edsa\u0165 nasledovne:<\/p>\n<p><\/p>\n<ol>\n<li>Vydavate\u013e odosiela spr\u00e1vu ur\u010dit\u00e9mu v\u00fdmenn\u00edku<\/li>\n<li>V\u00fdmenn\u00edk, ktor\u00fd prijme spr\u00e1vu, ju smeruje do jednej alebo viacer\u00fdch front pod\u013ea pravidiel viazania medzi n\u00edm a frontou.<\/li>\n<li>Fronta uchov\u00e1va odkaz na t\u00fato spr\u00e1vu. Samotn\u00e1 spr\u00e1va sa uchov\u00e1va v opera\u010dnej pam\u00e4ti alebo na disku.<\/li>\n<li>Ke\u010f je spotrebite\u013e pripraven\u00fd prija\u0165 spr\u00e1vu z fronty, server vytvor\u00ed k\u00f3piu spr\u00e1vy pod\u013ea odkazu a odo\u0161le ju.<\/li>\n<li>Spotrebite\u013e prij\u00edma spr\u00e1vu a posiela brokerovi potvrdenie.<\/li>\n<li>Broker, ktor\u00fd dostane potvrdenie, odstra\u0148uje k\u00f3piu spr\u00e1vy z fronty. Potom ju odstr\u00e1ni z opera\u010dnej pam\u00e4te a z disku.<\/li>\n<\/ol>\n<p><\/p>\n<h4 id=\"rpc\"><em>RPC<\/em><\/h4>\n<p><\/p>\n<p>Proces <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A3%D0%B4%D0%B0%D0%BB%D1%91%D0%BD%D0%BD%D1%8B%D0%B9_%D0%B2%D1%8B%D0%B7%D0%BE%D0%B2_%D0%BF%D1%80%D0%BE%D1%86%D0%B5%D0%B4%D1%83%D1%80\">RPC (remote procedure call)<\/a><\/noindex> tvor\u00ed z\u00e1klad takmer v\u0161etk\u00fdch interakci\u00ed s jadrom <code>RabbitMQ<\/code>. Napr\u00edklad po\u010diato\u010dn\u00e9 diskusie o podmienkach klienta s <code>RabbitMQ<\/code>, demon\u0161truje ur\u010dit\u00fd proces <code>RPC<\/code>. Ke\u010f je t\u00e1to sekvencia dokon\u010den\u00e1, <code>RabbitMQ<\/code> bude pripraven\u00fd prij\u00edma\u0165 po\u017eiadavky od klienta:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"RabbitMQ. \u010cas\u0165 1. \u00davod. Erlang, AMQP\" src=\"\/wp-content\/uploads\/2020\/02\/059f37304f45a1f0ff625b671f6462ee.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Tie\u017e v \u0161pecifik\u00e1cii <code>AMQP<\/code> a klient a server m\u00f4\u017eu vyvola\u0165 pr\u00edkazy. To znamen\u00e1, \u017ee klient o\u010dak\u00e1va interakciu so serverom. Pr\u00edkazy s\u00fa triedy a met\u00f3dy. Napr\u00edklad, <code>Connection.Start<\/code> \u2013 vyvolanie met\u00f3dy <code>Spusti\u0165<\/code> triedy <code>Pripojenie<\/code>.<\/p>\n<p><\/p>\n<h4 id=\"podklyuchenie-i-kanaly\"><em>Pripojenia a kan\u00e1ly<\/em><\/h4>\n<p><\/p>\n<p>Na tak\u00fato v\u00fdmenu inform\u00e1ci\u00ed medzi klientom a serverom sa pou\u017e\u00edvaj\u00fa <strong>kan\u00e1ly<\/strong>. Kan\u00e1ly sa vytv\u00e1raj\u00fa v r\u00e1mci <strong>ur\u010dit\u00e9ho pripojenia<\/strong>. Ka\u017ed\u00fd kan\u00e1l je izolovan\u00fd od ostatn\u00fdch kan\u00e1lov. V synchronnom pr\u00edpade nie je mo\u017en\u00e9 vykona\u0165 \u010fal\u0161\u00ed pr\u00edkaz, k\u00fdm sa nedostane odpove\u010f. <\/p>\n<p><\/p>\n<p>Aby bolo mo\u017en\u00e9 odosiela\u0165 pr\u00edkazy paralelne, je potrebn\u00e9 otvori\u0165 nieko\u013eko kan\u00e1lov. Ka\u017ed\u00fd kan\u00e1l vytv\u00e1ra samostatn\u00fd <code>Erlang<\/code> proces. Jedno pripojenie m\u00f4\u017ee ma\u0165 mnoh\u00e9 kan\u00e1ly (<noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9C%D1%83%D0%BB%D1%8C%D1%82%D0%B8%D0%BF%D0%BB%D0%B5%D0%BA%D1%81%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5\">multiplexing<\/a><\/noindex>). Pre ka\u017ed\u00e9ho kan\u00e1la existuj\u00fa ur\u010dit\u00e9 \u0161trukt\u00fary a objekty v pam\u00e4ti. Preto \u010d\u00edm viac kan\u00e1lov je v r\u00e1mci spojenia, t\u00fdm <strong>viac pam\u00e4te vyu\u017e\u00edva RabbitMQ<\/strong> na spr\u00e1vu tak\u00e9hoto spojenia.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"RabbitMQ. \u010cas\u0165 1. \u00davod. Erlang, AMQP\" src=\"\/wp-content\/uploads\/2020\/02\/9bc388200f4f82eb8f98cb1dd1580675.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Jednoduch\u00fd pr\u00edklad vytvorenia pripojenia a kan\u00e1la pomocou <noindex><a rel=\"nofollow\" href=\"https:\/\/www.rabbitmq.com\/dotnet.html\">RabbitMQ.Client<\/a><\/noindex>:<\/p>\n<p><\/p>\n<pre><code class=\"cs\">\/\/ ...\nprivate void TryConnect()\n{\n    var factory = new ConnectionFactory() \n    {\n        HostName = &quot;host_name&quot;,\n        UserName = &quot;user_name&quot;,\n        Password = &quot;p@ssword&quot;,\n        \/\/ \u0412\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u043a\u043e\u0433\u043e \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\n        \/\/ \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u043f\u043e\u0441\u043b\u0435 \u0441\u0431\u043e\u0435\u0432 \u0441\u0435\u0442\u0438 \n        AutomaticRecoveryEnabled = true\n    };\n    _connection = factory.CreateConnection();\n}\n\/\/ ...\npublic void CreateChanel()\n{\n    _channel = _connection.CreateModel();\n    \/\/ other options \n}<\/code><\/pre>\n<p><\/p>\n<p>Otvorenie nov\u00e9ho spojenia pre ka\u017ed\u00fa oper\u00e1ciu sa d\u00f4razne neodpor\u00fa\u010da, preto\u017ee to <strong>vedie k vysok\u00fdm n\u00e1kladom<\/strong>. Kan\u00e1ly by mali by\u0165 tie\u017e trval\u00e9, ale mnoh\u00e9 protokolov\u00e9 chyby ved\u00fa k uzavretiu kan\u00e1la, preto m\u00f4\u017ee ma\u0165 kan\u00e1l krat\u0161iu \u017eivotnos\u0165 ako spojenie.<\/p>\n<p><\/p>\n<h4 id=\"gde-ispolzuetsya-rabbitmq\"><em>Kde sa pou\u017e\u00edva RabbitMQ?<\/em><\/h4>\n<p><\/p>\n<p>V kontexte mikroservisov sa protokol <code>AMQP<\/code> a jeho implement\u00e1cia v <code>RabbitMQ<\/code> \u010dasto pou\u017e\u00edva na <strong>asynchr\u00f3nnu interakciu<\/strong> medzi servisami.<\/p>\n<p><\/p>\n<p>V kontexte <code>IIOT<\/code> protokol <code>AMQP<\/code> a jeho implement\u00e1cia v <code>RabbitMQ<\/code> sa pou\u017e\u00edva na v\u00fdmenu d\u00e1t medzi servermi (server-server). Taktie\u017e sa pou\u017e\u00edva plugin <noindex><a rel=\"nofollow\" href=\"https:\/\/www.rabbitmq.com\/mqtt.html\">MQTT Plugin RabbitMQ<\/a><\/noindex> ktor\u00fd je implement\u00e1ciou protokolu <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/MQTT\">MQTT<\/a><\/noindex> pre prenos d\u00e1t medzi sn\u00edma\u010dom a serverom v n\u00edzkorychlostn\u00fdch prostrediach s vysokou latenciou (kompletn\u00fd zoznam podporovan\u00fdch protokolov je uveden\u00fd na <noindex><a rel=\"nofollow\" href=\"https:\/\/www.rabbitmq.com\/protocols.html\">webovej str\u00e1nke projektu<\/a><\/noindex>).<\/p>\n<p><\/p>\n<p>V nasleduj\u00facom \u010dl\u00e1nku sa podrobnej\u0161ie zaober\u00e1me Exchanges.<\/p>\n<p><\/p>\n<h3 id=\"ssylki\">Odkazy<\/h3>\n<p><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.rabbitmq.com\/\">Webov\u00e1 str\u00e1nka projektu RabbitMQ<\/a><\/noindex><\/li>\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/488654\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0431\u0440\u044b\u0439 \u0434\u0435\u043d\u044c, \u0425\u0430\u0431\u0440! \u0425\u043e\u0447\u0443 \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u0443\u0447\u0435\u0431\u043d\u0438\u043a\u043e\u043c-\u0441\u043f\u0440\u0430\u0432\u043e\u0447\u043d\u0438\u043a\u043e\u043c \u0437\u043d\u0430\u043d\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043d\u0435 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u043f\u043e RabbitMQ \u0438 \u0441\u0436\u0430\u0442\u044c \u0432 \u043a\u043e\u0440\u043e\u0442\u043a\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u0438 \u0432\u044b\u0432\u043e\u0434\u044b. \u041e\u0433\u043b\u0430\u0432\u043b\u0435\u043d\u0438\u0435 RabbitMQ. \u0427\u0430\u0441\u0442\u044c 1. Introduction. Erlang, AMQP \u0438 RPC RabbitMQ. \u0427\u0430\u0441\u0442\u044c 2. \u0420\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u043c\u0441\u044f \u0441 Exchanges RabbitMQ. \u0427\u0430\u0441\u0442\u044c 3. \u0420\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u043c\u0441\u044f \u0441 Queues \u0438 Bindings RabbitMQ. \u0427\u0430\u0441\u0442\u044c 4. \u0420\u0430\u0437\u0431\u0438\u0440\u0430\u0435\u043c\u0441\u044f \u0441 \u0442\u0435\u043c, \u0447\u0442\u043e-\u0442\u0430\u043a\u043e\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0438 \u0444\u0440\u0435\u0439\u043c\u044b RabbitMQ. \u0427\u0430\u0441\u0442\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":69347,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-69346","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0431\u0440\u044b\u0439 \u0434\u0435\u043d\u044c, \u0425\u0430\u0431\u0440! \u0425\u043e\u0447\u0443 \u043f\u043e\u0434\u0435\u043b\u0438\u0442\u044c\u0441\u044f \u0443\u0447\u0435\u0431\u043d\u0438\u043a\u043e\u043c-\u0441\u043f\u0440\u0430\u0432\u043e\u0447\u043d\u0438\u043a\u043e\u043c \u0437\u043d\u0430\u043d\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043d\u0435 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0441\u043e\u0431\u0440\u0430\u0442\u044c \u043f\u043e RabbitMQ \u0438 \u0441\u0436\u0430\u0442\u044c \u0432 \u043a\u043e\u0440\u043e\u0442\u043a\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0438 \u0438 \u0432\u044b\u0432\u043e\u0434\u044b.\" \/>\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\/rabbitmq-chast-1-introduction-erlang-amqp\" \/>\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 \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47RabbitMQ. \u0427\u0430\u0441\u0442\u044c 1. 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