{"id":90548,"date":"2020-08-02T13:42:53","date_gmt":"2020-08-02T11:42:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-platformy-dlya-raspredelyonnoj-obrabotki-dannyh-apache-hadoop-3-3"},"modified":"2020-08-02T13:42:53","modified_gmt":"2020-08-02T11:42:53","slug":"reliz-platformy-dlya-raspredelyonnoj-obrabotki-dannyh-apache-hadoop-3-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/reliz-platformy-dlya-raspredelyonnoj-obrabotki-dannyh-apache-hadoop-3-3","title":{"rendered":"Az Apache Hadoop 3.3-as verzi\u00f3ja adatfeldolgoz\u00f3 platformk\u00e9nt jelent meg","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>M\u00e1sf\u00e9l \u00e9v fejleszt\u00e9s ut\u00e1n az Apache Software Foundation <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.apache.org\/hadoop\/entry\/announce-apache-hadoop-3-3\">kiadta<\/a><\/noindex> kiad\u00e1s <noindex><a rel=\"nofollow\" href=\"http:\/\/hadoop.apache.org\">Apache Hadoop 3.3.0<\/a><\/noindex>, egy szabad platform, amely lehet\u0151v\u00e9 teszi a nagy mennyis\u00e9g\u0171 adat elosztott feldolgoz\u00e1s\u00e1t a <noindex><a rel=\"nofollow\" href=\"http:\/\/ru.wikipedia.org\/wiki\/MapReduce\">map\/reduce<\/a><\/noindex>paradigm\u00e1j\u00e1nak seg\u00edts\u00e9g\u00e9vel, amelyben a feladat sz\u00e1mos kisebb, elk\u00fcl\u00f6n\u00fclt r\u00e9szre oszlik, mindegyik k\u00fcl\u00f6n klasztercsom\u00f3ponton futtathat\u00f3. A Hadoop-alap\u00fa t\u00e1rol\u00f3 ezer csom\u00f3pontot is lefedhet \u00e9s exab\u00e1jt adatmennyis\u00e9get tartalmazhat.<\/p>\n<p>A Hadoop r\u00e9sze a Hadoop elosztott f\u00e1jlrendszer (HDFS) megval\u00f3s\u00edt\u00e1sa, amely automatikusan biztos\u00edtja az adatok m\u00e1solat\u00e1t, \u00e9s optimaliz\u00e1lt a MapReduce alkalmaz\u00e1sokhoz. Az adatokhoz val\u00f3 egyszer\u0171bb hozz\u00e1f\u00e9r\u00e9s \u00e9rdek\u00e9ben a Hadoop t\u00e1rol\u00f3ban kifejlesztett\u00e9k az HBase adatb\u00e1zist \u00e9s a SQL-szer\u0171 Pig nyelvet, amely egyfajta SQL a MapReduce sz\u00e1m\u00e1ra, \u00e9s amelynek lek\u00e9rdez\u00e9sei p\u00e1rhuzamosan futtathat\u00f3k \u00e9s t\u00f6bb Hadoop-platformon feldolgozhat\u00f3k. A projektet teljes m\u00e9rt\u00e9kben stabilnak \u00e9s ipari haszn\u00e1latra alkalmasnak \u00e9rt\u00e9kelik. A Hadoopot akt\u00edvan haszn\u00e1lj\u00e1k nagy ipari projektekben, hasonl\u00f3 lehet\u0151s\u00e9geket k\u00edn\u00e1lva, mint a Google Bigtable\/GFS\/MapReduce platformja, mik\u00f6zben a Google hivatalosan <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=26398\">deleg\u00e1lta<\/a><\/noindex> a Hadoopnak \u00e9s m\u00e1s Apache projekteknek a MapReduce m\u00f3dszerhez kapcsol\u00f3d\u00f3 szabadalmak \u00e1ltal v\u00e9dett technol\u00f3gi\u00e1k haszn\u00e1lati jog\u00e1t. <\/p>\n<p>A Hadoop az Apache t\u00e1rol\u00f3k k\u00f6z\u00fcl az elv\u00e9gzett v\u00e1ltoztat\u00e1sok sz\u00e1m\u00e1ban els\u0151, a k\u00f3dalap m\u00e9ret\u00e9t tekintve pedig \u00f6t\u00f6dik helyen \u00e1ll (kb. 4 milli\u00f3 k\u00f3dsor). A Hadoop nagyobb bevezet\u00e9sei k\u00f6z\u00e9 tartozik a Netflix t\u00e1rhelye (napi t\u00f6bb mint 500 milli\u00e1rd esem\u00e9nyt t\u00e1rol), a Twitter (10 ezer csom\u00f3pontos klaszter val\u00f3s id\u0151ben t\u00f6bb mint zettab\u00e1jt adatot t\u00e1rol, \u00e9s napi t\u00f6bb mint 5 milli\u00e1rd munkamenetet dolgoz fel), a Facebook (4 ezer csom\u00f3pontos klaszter t\u00f6bb mint 300 petab\u00e1jt adatot t\u00e1rol, naponta pedig 4 petab\u00e1jttal n\u00f6vekszik).<\/p>\n<p>F\u0151 <noindex><a rel=\"nofollow\" href=\"https:\/\/hadoop.apache.org\/docs\/r3.3.0\/hadoop-project-dist\/hadoop-common\/release\/3.3.0\/CHANGELOG.3.3.0.html\">v\u00e1ltoz\u00e1sok<\/a><\/noindex> az Apache Hadoop 3.3-ban:<\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva az ARM architekt\u00far\u00e1ra alapozott platformok t\u00e1mogat\u00e1sa.\n<li class=\"l\"> A form\u00e1tum megval\u00f3s\u00edt\u00e1sa <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/protocolbuffers\/protobuf\">Protobuf<\/a><\/noindex> (Protokollpufferek), amely a struktur\u00e1lt adatok soros\u00edt\u00e1s\u00e1ra szolg\u00e1l, friss\u00edtve lett a 3.7.1 kiad\u00e1sra, tekintettel a protobuf-2.5.0 \u00e1gon a t\u00e1mogat\u00e1s megsz\u0171n\u00e9s\u00e9re.\n<li class=\"l\"> B\u0151v\u00fclt az S3A csatlakoz\u00f3 lehet\u0151s\u00e9gei: hozz\u00e1adva a tokenekkel t\u00f6rt\u00e9n\u0151 hiteles\u00edt\u00e9s t\u00e1mogat\u00e1sa (<noindex><a rel=\"nofollow\" href=\"https:\/\/blog.cloudera.com\/hadoop-delegation-tokens-explained\/\">Deleg\u00e1ci\u00f3s token<\/a><\/noindex>), javult a 404-es k\u00f3d\u00fa v\u00e1laszok cache-el\u00e9s\u00e9nek t\u00e1mogat\u00e1sa, n\u00f6vekedett az S3guard teljes\u00edtm\u00e9nye \u00e9s megb\u00edzhat\u00f3s\u00e1ga.\n<li class=\"l\"> Az ABFS f\u00e1jlrendszer automatikus hangol\u00e1s\u00e1val kapcsolatos probl\u00e9m\u00e1k megold\u00f3dtak.\n<li class=\"l\"> Be\u00e9p\u00edtett t\u00e1mogat\u00e1s ker\u00fclt hozz\u00e1ad\u00e1sra a Tencent Cloud COS f\u00e1jlrendszerhez a COS objektumt\u00e1rol\u00f3hoz val\u00f3 hozz\u00e1f\u00e9r\u00e9shez.\n<li class=\"l\"> Teljes k\u00f6r\u0171 t\u00e1mogat\u00e1s ker\u00fclt hozz\u00e1ad\u00e1sra a Java 11-hez.\n<li class=\"l\"> Stabiliz\u00e1lva lett a HDFS RBF (Router-alap\u00fa F\u00e9der\u00e1ci\u00f3) megval\u00f3s\u00edt\u00e1s. Az HDFS Routerhez biztons\u00e1gi kezel\u00e9si eszk\u00f6z\u00f6k ker\u00fcltek hozz\u00e1ad\u00e1sra.\n<li class=\"l\"> DNS Felold\u00e1s szolg\u00e1ltat\u00e1s ker\u00fclt hozz\u00e1ad\u00e1sra, amely lehet\u0151v\u00e9 teszi a kliensek sz\u00e1m\u00e1ra a szerverek DNS-en kereszt\u00fcli n\u00e9v alapj\u00e1n t\u00f6rt\u00e9n\u0151 azonos\u00edt\u00e1s\u00e1t, elker\u00fclve a hosztok list\u00e1z\u00e1s\u00e1t a be\u00e1ll\u00edt\u00e1sokban.\n<li class=\"l\"> Hozz\u00e1adva a fut\u00e1s \u00fctemez\u00e9s\u00e9nek t\u00e1mogat\u00e1sa <noindex><a rel=\"nofollow\" href=\"https:\/\/issues.apache.org\/jira\/browse\/YARN-5220\">opportunisztikus kont\u00e9nerek<\/a><\/noindex> centraliz\u00e1lt er\u0151forr\u00e1skezel\u0151n (ResourceManager) kereszt\u00fcl, bele\u00e9rtve a kont\u00e9nerek terhel\u00e9s alap\u00fa eloszt\u00e1s\u00e1t minden egyes csom\u00f3ponton.\n<li class=\"l\"> YARN (Yet Another Resource Negotiator) alkalmaz\u00e1skatal\u00f3gus ker\u00fclt hozz\u00e1ad\u00e1sra, amely keres\u00e9si lehet\u0151s\u00e9geket k\u00edn\u00e1l.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53476\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Apache Software Foundation \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u043b\u0438\u0437 Apache Hadoop 3.3.0, \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u043e\u0431\u044a\u0451\u043c\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0430\u0440\u0430\u0434\u0438\u0433\u043c\u044b map\/reduce, \u043f\u0440\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0430 \u0434\u0435\u043b\u0438\u0442\u0441\u044f \u043d\u0430 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u0431\u043e\u043b\u0435\u0435 \u043c\u0435\u043b\u043a\u0438\u0445 \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u044b\u0445 \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442\u043e\u0432, \u043a\u0430\u0436\u0434\u044b\u0439 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0437\u0430\u043f\u0443\u0449\u0435\u043d \u043d\u0430 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u043c \u0443\u0437\u043b\u0435 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u0430. \u0425\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435 \u043d\u0430 \u0431\u0430\u0437\u0435 Hadoop \u043c\u043e\u0436\u0435\u0442 \u043e\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u0442\u044b\u0441\u044f\u0447\u0438 \u0443\u0437\u043b\u043e\u0432 \u0438 [&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":[702],"tags":[],"class_list":["post-90548","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 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