Apache Oozie: The Workflow Scheduler for Hadoop by Mohammad Kamrul Islam, Aravind Srinivasan PDF

By Mohammad Kamrul Islam, Aravind Srinivasan

ISBN-10: 1449369928

ISBN-13: 9781449369927

Get an outstanding grounding in Apache Oozie, the workflow scheduler method for handling Hadoop jobs. With this hands-on consultant, skilled Hadoop practitioners stroll you thru the intricacies of this robust and versatile platform, with quite a few examples and real-world use cases.

Once you put up your Oozie server, you’ll dive into concepts for writing and coordinating workflows, and methods to write complicated info pipelines. complicated issues aid you deal with shared libraries in Oozie, in addition to tips to enforce and deal with Oozie’s safety capabilities.
- set up and configure an Oozie server, and get an summary of uncomplicated concepts
- trip in the course of the international of writing and configuring workflows
- learn the way the Oozie coordinator schedules and executes workflows in keeping with triggers
- know how Oozie manages information dependencies
- Use Oozie bundles to package deal numerous coordinator apps right into a information pipeline
- know about safety features and shared library management
- enforce customized extensions and write your personal EL features and actions
- Debug workflows and deal with Oozie’s operational information

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Additional info for Apache Oozie: The Workflow Scheduler for Hadoop

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Computer Management раскройте узел Services And Applications (Службы и приложения) и щелкните значок Internet Information Services (рис. 2-3). Оснастка автоматически подключается к локальным службам US (если таковые имеются); кроме того, можно подключаться и к удаленным компьютерам. Компьютеры, к которым вы подключаетесь, представлены в виде отдельных узлов, позволяющих управлять их ресурсами. После выбора узла в левой панели оснастки в правой панели отобразится информация о текущих подключениях компьютера: 26 Часть 1 Основы Web-администрирования Windows 2000 Connection Туре (Тип подключения) — тип сетевого подключения: TCP/IP (Transmission Control Protocol/Internet Protocol) или UDP (User Datagram Protocol); Status (Состояние) — состояние компьютера: например, Unavailable (Недоступен) или Restarting (Перезапуск); Computer (Компьютер) — имя подключенного компьютера; Local (Локальный) указы нает тип подключенной установки: локальная или удаленная; если значение этого поля - Yes (Да), вы подключены к локальной установке, и противном случае — работаете с удаленным компьютером.

2. Из меню Action (Действие) выберите команду Restart IIS (Перезапуск IIS). Откроется диалоговое окно Stop/Start/ Reboot (Остановка/запуск/перезагрузка) (рис. 2-5). 3. Выберите из списка команду: • Start Internet Services (Запуск служб Интернета) запуск всех остановленных служб Интернета; • Stop Internet Services (Остановка служб Интернета) — остановка исех запущенных, приостановленных или находящихся в неизвестном состоянии служб Интернета; Основы администрирования IIS Глава 2 29 • Reboot (Перезагрузка) — перезагрузка компьютера; команда аналогична команде Restart (Перезагрузка) из диалогового окна Windows Shutdown (Завершение работы Windows); • Restart Internet Services (Перезапуск служб Интернета) — остановка и перезапуск служб Интернета.

1. Запустите оснастку Internet Information Services, 2. В левой панели щелкните значок нужного компьютера. Если компьютер и оснастке не отображается, подключитесь к нему в соответствии с инструкциями раздела «Подключение к другим серверам» этой главы.

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Apache Oozie: The Workflow Scheduler for Hadoop by Mohammad Kamrul Islam, Aravind Srinivasan


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