{"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\/sk\/blog\/news\/reliz-platformy-dlya-raspredelyonnoj-obrabotki-dannyh-apache-hadoop-3-3","title":{"rendered":"Uvo\u013enenie platformy pre distribuovan\u00e9 spracovanie d\u00e1t Apache Hadoop 3.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po viac ako roku a pol v\u00fdvoja organiz\u00e1cia Apache Software Foundation <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.apache.org\/hadoop\/entry\/announce-apache-hadoop-3-3\">publikovala<\/a><\/noindex> uvo\u013enenie <noindex><a rel=\"nofollow\" href=\"http:\/\/hadoop.apache.org\">Apache Hadoop 3.3.0<\/a><\/noindex>, vo\u013en\u00e1 platforma pre organiz\u00e1ciu distribuovan\u00e9ho spracovania ve\u013ek\u00fdch objemov \u00fadajov pomocou paradigmy <noindex><a rel=\"nofollow\" href=\"http:\/\/ru.wikipedia.org\/wiki\/MapReduce\">map\/reduce<\/a><\/noindex>, pri ktorej sa \u00faloha del\u00ed na mno\u017estvo men\u0161\u00edch oddelen\u00fdch fragmentov, z ktor\u00fdch ka\u017ed\u00fd m\u00f4\u017ee by\u0165 spusten\u00fd na samostatnom uzle klastera. \u00dalo\u017eisko na b\u00e1ze Hadoop m\u00f4\u017ee pokr\u00fdva\u0165 tis\u00edce uzlov a obsahova\u0165 exabajty \u00fadajov.<\/p>\n<p>S\u00fa\u010das\u0165ou Hadoop je implement\u00e1cia distribuovanej s\u00faborovej syst\u00e9mu Hadoop Distributed Filesystem (HDFS), ktor\u00e1 automaticky poskytuje z\u00e1lohovanie \u00fadajov a je optimalizovan\u00e1 pre MapReduce aplik\u00e1cie. Pre zjednodu\u0161enie pr\u00edstupu k \u00fadajom v Hadoop \u00falo\u017eisku bola vyvinut\u00e1 DB HBase a SQL-podobn\u00fd jazyk Pig, ktor\u00fd je ak\u00fdmsi SQL pre MapReduce, pri\u010dom jeho dotazy m\u00f4\u017eu by\u0165 paralelizovan\u00e9 a spracovan\u00e9 viacer\u00fdmi Hadoop platformami. Projekt je hodnoten\u00fd ako \u00faplne stabiln\u00fd a pripraven\u00fd na priemyseln\u00fa prev\u00e1dzku. Hadoop sa akt\u00edvne vyu\u017e\u00edva vo ve\u013ek\u00fdch priemyseln\u00fdch projektoch, poskytuj\u00fac mo\u017enosti, ktor\u00e9 s\u00fa podobn\u00e9 platforme Google Bigtable\/GFS\/MapReduce, pri\u010dom spolo\u010dnos\u0165 Google ofici\u00e1lne <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=26398\">delegovala<\/a><\/noindex> Hadoop a \u010fal\u0161\u00edm projektom Apache pr\u00e1vo na pou\u017e\u00edvanie technol\u00f3gi\u00ed, na ktor\u00e9 sa vz\u0165ahuj\u00fa patenty t\u00fdkaj\u00face sa met\u00f3dy MapReduce. <\/p>\n<p>Hadoop je na prvom mieste medzi repozit\u00e1rmi Apache pod\u013ea po\u010dtu vykonan\u00fdch zmien a na piatom mieste pod\u013ea ve\u013ekosti k\u00f3dovej z\u00e1kladne (asi 4 mili\u00f3ny riadkov k\u00f3du). Medzi ve\u013ek\u00e9 implement\u00e1cie Hadoop patr\u00ed \u00falo\u017eisko Netflix (uchov\u00e1va viac ako 500 mili\u00e1rd udalost\u00ed denne), Twitter (klaster z 10 tis\u00edc uzlov v re\u00e1lnom \u010dase uchov\u00e1va viac ako zettabyte \u00fadajov a spracov\u00e1va viac ako 5 mili\u00e1rd rel\u00e1ci\u00ed denne), Facebook (klaster z 4 tis\u00edc uzlov uchov\u00e1va viac ako 300 petabajtov a denne sa zvy\u0161uje o 4 PB).<\/p>\n<p>Hlavn\u00e9 <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\">zmeny<\/a><\/noindex> v Apache Hadoop 3.3:<\/p>\n<ul>\n<li class=\"l\"> Pridan\u00e1 podpora platforiem na b\u00e1ze architekt\u00fary ARM.\n<li class=\"l\"> Implement\u00e1cia form\u00e1tu <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/protocolbuffers\/protobuf\">Protobuf<\/a><\/noindex> (Protocol buffers), ktor\u00fd sa pou\u017e\u00edva na serializ\u00e1ciu \u0161trukt\u00farovan\u00fdch \u00fadajov, bola aktualizovan\u00e1 na verziu 3.7.1 v s\u00favislosti s koncom \u017eivotn\u00e9ho cyklu vetvy protobuf-2.5.0.\n<li class=\"l\"> Roz\u0161\u00edren\u00e9 mo\u017enosti konektora S3A: pridan\u00e1 podpora autentifik\u00e1cie pomocou tokenov (<noindex><a rel=\"nofollow\" href=\"https:\/\/blog.cloudera.com\/hadoop-delegation-tokens-explained\/\">Delegation Token<\/a><\/noindex>), vylep\u0161en\u00e1 podpora vyrovn\u00e1vania chybn\u00fdch odpoved\u00ed s k\u00f3dom 404, zv\u00fd\u0161en\u00fd v\u00fdkon S3guard, zv\u00fd\u0161en\u00e1 spo\u013eahlivos\u0165 prev\u00e1dzky.\n<li class=\"l\"> V s\u00faborovom syst\u00e9me ABFS s\u00fa vyrie\u0161en\u00e9 probl\u00e9my s automatick\u00fdm laden\u00edm.\n<li class=\"l\"> Pridan\u00e1 vstavan\u00e1 podpora s\u00faborov\u00e9ho syst\u00e9mu Tencent Cloud COS na pr\u00edstup k objektov\u00e9mu \u00falo\u017eisku COS.\n<li class=\"l\"> Pridan\u00e1 pln\u00e1 podpora Java 11.\n<li class=\"l\"> Stabilizovan\u00e1 implement\u00e1cia HDFS RBF (Feder\u00e1cia zalo\u017een\u00e1 na routeri). Do HDFS Routera boli pridan\u00e9 prostriedky na spr\u00e1vu bezpe\u010dnosti.\n<li class=\"l\"> Pridan\u00e1 slu\u017eba DNS Resolution na ur\u010dovanie serverov klientom cez DNS pod\u013ea n\u00e1zvov uzlov, \u010do umo\u017e\u0148uje ob\u00eds\u0165 potrebu vypisovania v\u0161etk\u00fdch hostite\u013eov v nastaveniach.\n<li class=\"l\"> Pridan\u00e1 podpora pl\u00e1novania spustenia <noindex><a rel=\"nofollow\" href=\"https:\/\/issues.apache.org\/jira\/browse\/YARN-5220\">opportunistick\u00fdch kontajnerov<\/a><\/noindex> cez centralizovan\u00fd spr\u00e1vca zdrojov (ResourceManager), vr\u00e1tane mo\u017enosti rozdelenia kontajnerov s oh\u013eadom na za\u0165a\u017eenie ka\u017ed\u00e9ho uzla.\n<li class=\"l\"> Pridan\u00fd adres\u00e1r aplik\u00e1ci\u00ed YARN (Yet Another Resource Negotiator) s mo\u017enos\u0165ou vyh\u013ead\u00e1vania.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <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 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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