{"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\/es\/blog\/news\/reliz-platformy-dlya-raspredelyonnoj-obrabotki-dannyh-apache-hadoop-3-3","title":{"rendered":"Lanzamiento de la plataforma para procesamiento distribuido de datos Apache Hadoop 3.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Despu\u00e9s de un a\u00f1o y medio de desarrollo, la organizaci\u00f3n Apache Software Foundation <noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.apache.org\/hadoop\/entry\/announce-apache-hadoop-3-3\">ha publicado<\/a><\/noindex> lanzamiento <noindex><a rel=\"nofollow\" href=\"http:\/\/hadoop.apache.org\">Apache Hadoop 3.3.0<\/a><\/noindex>, una plataforma libre para la organizaci\u00f3n del procesamiento distribuido de grandes cantidades de datos utilizando la par\u00e1bola <noindex><a rel=\"nofollow\" href=\"http:\/\/ru.wikipedia.org\/wiki\/MapReduce\">map\/reduce<\/a><\/noindex>, donde la tarea se divide en numerosos fragmentos m\u00e1s peque\u00f1os, cada uno de los cuales puede ser ejecutado en un nodo separado del cl\u00faster. El almacenamiento basado en Hadoop puede abarcar miles de nodos y contener exabytes de datos.<\/p>\n<p>Hadoop incluye la implementaci\u00f3n de un sistema de archivos distribuido, Hadoop Distributed Filesystem (HDFS), que proporciona autom\u00e1ticamente la redundancia de datos y est\u00e1 optimizado para aplicaciones MapReduce. Para simplificar el acceso a los datos en el almacenamiento Hadoop, se desarroll\u00f3 la base de datos HBase y un lenguaje similar a SQL llamado Pig, que es una especie de SQL para MapReduce, cuyas consultas pueden ser paralelizadas y procesadas por varias plataformas Hadoop. El proyecto se considera completamente estable y listo para explotaci\u00f3n industrial. Hadoop se utiliza activamente en grandes proyectos industriales, proporcionando capacidades similares a la plataforma de Google Bigtable\/GFS\/MapReduce, y la empresa Google ha <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=26398\">delegado<\/a><\/noindex> a Hadoop y otros proyectos de Apache el derecho a utilizar tecnolog\u00edas cubiertas por patentes relacionadas con el m\u00e9todo MapReduce. <\/p>\n<p>Hadoop ocupa el primer lugar entre los repositorios de Apache por el n\u00famero de cambios realizados y el quinto lugar por el tama\u00f1o de su base de c\u00f3digo (aproximadamente 4 millones de l\u00edneas de c\u00f3digo). Entre las implementaciones importantes de Hadoop se encuentran los almacenes de Netflix (que almacenan m\u00e1s de 500 mil millones de eventos al d\u00eda), Twitter (un cl\u00faster de 10,000 nodos en tiempo real que almacena m\u00e1s de un zetabyte de datos y procesa m\u00e1s de 5 mil millones de sesiones al d\u00eda) y Facebook (un cl\u00faster de 4,000 nodos que almacena m\u00e1s de 300 petabytes y aumenta diariamente en 4 PB).<\/p>\n<p>Principales <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\">cambios<\/a><\/noindex> en Apache Hadoop 3.3:<\/p>\n<ul>\n<li class=\"l\"> Se agreg\u00f3 soporte para plataformas basadas en la arquitectura ARM.\n<li class=\"l\"> La implementaci\u00f3n del formato <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/protocolbuffers\/protobuf\">Protobuf<\/a><\/noindex> (Protocol Buffers), utilizado para la serializaci\u00f3n de datos estructurados, se actualiz\u00f3 a la versi\u00f3n 3.7.1 debido al final del ciclo de vida de la rama protobuf-2.5.0.\n<li class=\"l\"> Se ampliaron las capacidades del conector S3A: se agreg\u00f3 soporte para autenticaci\u00f3n mediante tokens (<noindex><a rel=\"nofollow\" href=\"https:\/\/blog.cloudera.com\/hadoop-delegation-tokens-explained\/\">Delegation Token<\/a><\/noindex>), mejorada la capacidad de almacenamiento en cach\u00e9 de respuestas con c\u00f3digo 404, aumentada la eficiencia de S3guard y mejorada la fiabilidad del funcionamiento.\n<li class=\"l\"> En el sistema de archivos ABFS se han resuelto problemas con la sintonizaci\u00f3n autom\u00e1tica.\n<li class=\"l\"> Se agreg\u00f3 soporte incorporado para el sistema de archivos Tencent Cloud COS para acceder al almacenamiento de objetos COS.\n<li class=\"l\"> Se agreg\u00f3 soporte completo para Java 11.\n<li class=\"l\"> Se estabiliz\u00f3 la implementaci\u00f3n de HDFS RBF (Federaci\u00f3n basada en routers). Se a\u00f1adieron herramientas de gesti\u00f3n de seguridad al Router HDFS.\n<li class=\"l\"> Se a\u00f1adi\u00f3 el servicio de Resoluci\u00f3n DNS para que los clientes identifiquen servidores a trav\u00e9s de DNS por nombres de host, lo que elimina la necesidad de enumerar todos los hosts en la configuraci\u00f3n.\n<li class=\"l\"> Se agreg\u00f3 soporte para la planificaci\u00f3n de arranques <noindex><a rel=\"nofollow\" href=\"https:\/\/issues.apache.org\/jira\/browse\/YARN-5220\">de contenedores oportunistas<\/a><\/noindex> a trav\u00e9s del administrador de recursos centralizado (ResourceManager), incluida la capacidad de distribuir contenedores teniendo en cuenta la carga de cada nodo.\n<li class=\"l\"> Se a\u00f1adi\u00f3 un cat\u00e1logo de aplicaciones YARN (Yet Another Resource Negotiator) con capacidades de b\u00fasqueda.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <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 5.0.2 - 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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