{"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\/sl\/blog\/news\/reliz-platformy-dlya-raspredelyonnoj-obrabotki-dannyh-apache-hadoop-3-3","title":{"rendered":"Izdanje platforme za distribuiranu obradu podataka Apache Hadoop 3.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po ve\u010d kot letu in pol razvoja je organizacija Apache Software Foundation <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.apache.org\/hadoop\/entry\/announce-apache-hadoop-3-3\">je objavilo<\/a><\/noindex> izdanje <noindex><a rel=\"nofollow\" href=\"http:\/\/hadoop.apache.org\">Apache Hadoop 3.3.0<\/a><\/noindex>, prosta platforma za organizacijo porazdeljenega obdelovanja velikih koli\u010din podatkov z uporabo paradigme <noindex><a rel=\"nofollow\" href=\"http:\/\/ru.wikipedia.org\/wiki\/MapReduce\">map\/reduce<\/a><\/noindex>, pri kateri se naloga razdeli na \u0161tevilne manj\u0161e, lo\u010dene dele, ki jih je mogo\u010de izvajati na posameznih vozli\u0161\u010dih v grozdu. Shrambi, temelji na Hadoopu, lahko obsegajo tiso\u010de vozli\u0161\u010d in vsebujejo eksabajte podatkov.<\/p>\n<p>Hadoop vklju\u010duje implementacijo porazdeljenega datote\u010dnega sistema Hadoop Distributed Filesystem (HDFS), ki samodejno zagotavlja rezerviranje podatkov in je optimiziran za delovanje MapReduce aplikacij. Za poenostavitev dostopa do podatkov v Hadoop shrambi je bila razvita baza podatkov HBase in SQL-podobni jezik Pig, ki je nekak\u0161en SQL za MapReduce, katerih poizvedbe se lahko paralelizirajo in obdelujejo na ve\u010d Hadoop platformah. Projekt je ocenjen kot popolnoma stabilen in pripravljen za industrijsko uporabo. Hadoop se aktivno uporablja v velikih industrijskih projektih in nudi zmogljivosti, primerljive s platformo Google Bigtable\/GFS\/MapReduce, pri \u010demer je podjetje Google uradno <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=26398\">delegiralo<\/a><\/noindex> Hadoop in drugim projektem Apache pravico do uporabe tehnologij, ki jih pokrivajo patenti v zvezi z metodo MapReduce. <\/p>\n<p>Hadoop zaseda prvo mesto med repozitoriji Apache po \u0161tevilu vlo\u017eenih sprememb in peto mesto po velikosti kode (pribli\u017eno 4 milijone vrstic kode). Med velikimi implementacijami Hadoop so izpostavljeni skladi\u0161\u010dni sistemi Netflix (shranjuje ve\u010d kot 500 milijard dogodkov na dan), Twitter (grozd s 10.000 vozli\u0161\u010di v realnem \u010dasu hrani ve\u010d kot zetabajt podatkov in obdela ve\u010d kot 5 milijard sej na dan), Facebook (grozd s 4.000 vozli\u0161\u010di hrani ve\u010d kot 300 petabajtov in se vsak dan pove\u010duje za 4 PB na dan).<\/p>\n<p>Glavne <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\">spremembe<\/a><\/noindex> v Apache Hadoop 3.3:<\/p>\n<ul>\n<li class=\"l\"> Dodana podpora za platforme, ki temeljijo na arhitekturi ARM.\n<li class=\"l\"> Izvedba formata <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/protocolbuffers\/protobuf\">Protobuf<\/a><\/noindex> (Protocol buffers), ki se uporablja za serializacijo strukturiranih podatkov, je bila posodobljena na izdajo 3.7.1 zaradi konca \u017eivljenjskega cikla veje protobuf-2.5.0.\n<li class=\"l\"> Raz\u0161irjene so mo\u017enosti povezovalnika S3A: dodana je bila podpora za avtentikacijo s pomo\u010djo \u017eetonov (<noindex><a rel=\"nofollow\" href=\"https:\/\/blog.cloudera.com\/hadoop-delegation-tokens-explained\/\">Delegation Token<\/a><\/noindex>), izbolj\u0161ana podpora za predpomnjenje odgovorov s kodo 404, pove\u010dana zmogljivost S3guard, izbolj\u0161ana zanesljivost delovanja.\n<li class=\"l\"> V datote\u010dnem sistemu ABFS so bili re\u0161eni problemi z avtomatskim prilagajanjem.\n<li class=\"l\"> Dodana je vgrajena podpora za datote\u010dni sistem Tencent Cloud COS za dostop do objektskega skladi\u0161\u010da COS.\n<li class=\"l\"> Dodana je popolna podpora za Java 11.\n<li class=\"l\"> Stabilizirana je implementacija HDFS RBF (Federacija, zgrajena na usmerjevalniku). V HDFS usmerjevalnik so dodana orodja za upravljanje varnosti.\n<li class=\"l\"> Dodana je storitev DNS Resolution za dolo\u010ditev stre\u017enikov s strani strank preko DNS z uporabo imen vozli\u0161\u010d, kar omogo\u010da, da se izognemo na\u0161tevanju vseh gostiteljev v nastavitvah.\n<li class=\"l\"> Dodana je podpora za na\u010drtovanje zagonov <noindex><a rel=\"nofollow\" href=\"https:\/\/issues.apache.org\/jira\/browse\/YARN-5220\">oprportunisti\u010dnih kontejnerjev<\/a><\/noindex> prek centraliziranega upravljavca virov (ResourceManager), vklju\u010dno z mo\u017enostjo razporejanja kontejnerjev ob upo\u0161tevanju obremenitve vsakega vozli\u0161\u010da.\n<li class=\"l\"> Dodana je aplikacijska mapa YARN (Yet Another Resource Negotiator) z mo\u017enostjo iskanja.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <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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