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Sreekanth Iyer (Ushta Te Consultancy Services)
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articles/hdinsight/hbase/query-hbase-with-hbase-shell.md

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## Clean up resources
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After you complete the quickstart, you may want to delete the cluster. With HDInsight, your data is stored in Azure Storage, so you can safely delete a cluster when it is not in use. You are also charged for a HDInsight cluster, even when it is not in use. Since the charges for the cluster are many times more than the charges for storage, it makes economic sense to delete clusters when they are not in use.
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After you complete the quickstart, you may want to delete the cluster. With HDInsight, your data is stored in Azure Storage, so you can safely delete a cluster when it is not in use. You are also charged for an HDInsight cluster, even when it is not in use. Since the charges for the cluster are many times more than the charges for storage, it makes economic sense to delete clusters when they are not in use.
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To delete a cluster, see [Delete an HDInsight cluster using your browser, PowerShell, or the Azure CLI](../hdinsight-delete-cluster.md).
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articles/hdinsight/hdinsight-apps-install-custom-applications.md

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In this article, you'll learn how to install an [Apache Hadoop](https://hadoop.apache.org/) application on Azure HDInsight, which hasn't been published to the Azure portal. The application you'll install in this article is [Hue](https://gethue.com/).
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A HDInsight application is an application that users can install on a HDInsight cluster. These applications can be developed by Microsoft, independent software vendors (ISV) or by yourself.
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An HDInsight application is an application that users can install on a HDInsight cluster. These applications can be developed by Microsoft, independent software vendors (ISV) or by yourself.
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## Prerequisites
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If you want to install HDInsight applications on an existing HDInsight cluster, you must have a HDInsight cluster. To create one, see [Create clusters](hadoop/apache-hadoop-linux-tutorial-get-started.md). You can also install HDInsight applications when you create a HDInsight cluster.
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If you want to install HDInsight applications on an existing HDInsight cluster, you must have an HDInsight cluster. To create one, see [Create clusters](hadoop/apache-hadoop-linux-tutorial-get-started.md). You can also install HDInsight applications when you create a HDInsight cluster.
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## Install HDInsight applications
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HDInsight applications can be installed when you create a cluster or to an existing HDInsight cluster. For defining Azure Resource Manager templates, see [MSDN: Install a HDInsight application](/rest/api/hdinsight/hdinsight-application).
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The files needed for deploying this application (Hue):
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* [azuredeploy.json](https://github.com/hdinsight/Iaas-Applications/blob/master/Hue/azuredeploy.json): The Resource Manager template for installing HDInsight application. See [MSDN: Install a HDInsight application](/rest/api/hdinsight/hdinsight-application) for developing your own Resource Manager template.
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* [azuredeploy.json](https://github.com/hdinsight/Iaas-Applications/blob/master/Hue/azuredeploy.json): The Resource Manager template for installing HDInsight application. See [MSDN: Install an HDInsight application](/rest/api/hdinsight/hdinsight-application) for developing your own Resource Manager template.
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* [hue-install_v0.sh](https://github.com/hdinsight/Iaas-Applications/blob/master/Hue/scripts/Hue-install_v0.sh): The Script action being called by the Resource Manager template for configuring the edge node.
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* [hue-binaries.tgz](https://hdiconfigactions.blob.core.windows.net/linuxhueconfigactionv01/hue-binaries-14-04.tgz): The hue binary file being called from hui-install_v0.sh.
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* [hue-binaries-14-04.tgz](https://hdiconfigactions.blob.core.windows.net/linuxhueconfigactionv01/hue-binaries-14-04.tgz): The hue binary file being called from hui-install_v0.sh.
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<a href="https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2Fhdinsight%2FIaas-Applications%2Fmaster%2FHue%2Fazuredeploy.json" target="_blank"><img src="./media/hdinsight-apps-install-custom-applications/hdi-deploy-to-azure1.png" alt="Deploy to Azure button for new cluster"></a>
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The Resource Manager template is located at [https://github.com/hdinsight/Iaas-Applications/tree/master/Hue](https://github.com/hdinsight/Iaas-Applications/tree/master/Hue). To learn how to write this Resource Manager template, see [MSDN: Install a HDInsight application](/rest/api/hdinsight/hdinsight-application).
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The Resource Manager template is located at [https://github.com/hdinsight/Iaas-Applications/tree/master/Hue](https://github.com/hdinsight/Iaas-Applications/tree/master/Hue). To learn how to write this Resource Manager template, see [MSDN: Install an HDInsight application](/rest/api/hdinsight/hdinsight-application).
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1. Select the existing **Resource group** that contains your cluster from the drop-down list. It's required to use the same resource group as the cluster.
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<a href="https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fhditutorialdata.blob.core.windows.net%2Fhdinsightapps%2Fcreate-linux-based-hadoop-cluster-in-hdinsight.json" target="_blank"><img src="./media/hdinsight-apps-install-custom-applications/hdi-deploy-to-azure1.png" alt="Deploy to Azure button for new cluster"></a>
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To learn how to write this Resource Manager template, see [MSDN: Install a HDInsight application](/rest/api/hdinsight/hdinsight-application).
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To learn how to write this Resource Manager template, see [MSDN: Install an HDInsight application](/rest/api/hdinsight/hdinsight-application).
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2. Follow the instruction to create cluster and install Hue. For more information on creating HDInsight clusters, see [Create Linux-based Hadoop clusters in HDInsight](hdinsight-hadoop-provision-linux-clusters.md).
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## Next steps
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* [MSDN: Install a HDInsight application](/rest/api/hdinsight/hdinsight-application): learn how to develop Resource Manager templates for deploying HDInsight applications.
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* [Install HDInsight applications](hdinsight-apps-install-applications.md): Learn how to install a HDInsight application to your clusters.
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* [MSDN: Install an HDInsight application](/rest/api/hdinsight/hdinsight-application): learn how to develop Resource Manager templates for deploying HDInsight applications.
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* [Install HDInsight applications](hdinsight-apps-install-applications.md): Learn how to install an HDInsight application to your clusters.
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* [Publish HDInsight applications](hdinsight-apps-publish-applications.md): Learn how to publish your custom HDInsight applications to Azure Marketplace.
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* [Customize Linux-based HDInsight clusters using Script Action](hdinsight-hadoop-customize-cluster-linux.md): learn how to use Script Action to install additional applications.
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* [Create Linux-based Apache Hadoop clusters in HDInsight using Resource Manager templates](hdinsight-hadoop-create-linux-clusters-arm-templates.md): learn how to call Resource Manager templates to create HDInsight clusters.

articles/hdinsight/hdinsight-changing-configs-via-ambari.md

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:::image type="content" source="./media/hdinsight-changing-configs-via-ambari/apache-ambari-dashboard.png" alt-text="Apache Ambari user dashboard displayed.":::
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The Ambari web UI is used to manage hosts, services, alerts, configurations, and views. Ambari can't be used to create a HDInsight cluster, or upgrade services. Also can't manage stacks and versions, decommission or recommission hosts, or add services to the cluster.
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The Ambari web UI is used to manage hosts, services, alerts, configurations, and views. Ambari can't be used to create an HDInsight cluster, or upgrade services. Also can't manage stacks and versions, decommission or recommission hosts, or add services to the cluster.
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## Manage your cluster's configuration
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articles/hdinsight/hdinsight-operationalize-data-pipeline.md

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5. Select **Execute** to create the table.
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:::image type="content" source="./media/hdinsight-operationalize-data-pipeline/hdi-ambari-services-hive-query.png" alt-text="Screebshot of HDInsight Ambari services hive query.":::
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:::image type="content" source="./media/hdinsight-operationalize-data-pipeline/hdi-ambari-services-hive-query.png" alt-text="Screenshot of HDInsight Ambari services hive query.":::
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6. To create the `flights` table, replace the text in the query text area with the following statements. The `flights` table is a Hive-managed table that partitions data loaded into it by year, month, and day of month. This table will contain all historical flight data, with the lowest granularity present in the source data of one row per flight.
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articles/hdinsight/kafka/kafka-troubleshoot-insufficient-domains.md

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## Cause
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A fault domain is a logical grouping of underlying hardware in an Azure data center. Each fault domain shares a common power source and network switch. The virtual machines and managed disks that implement the nodes within a HDInsight cluster are distributed across these fault domains. This architecture limits the potential impact of physical hardware failures.
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A fault domain is a logical grouping of underlying hardware in an Azure data center. Each fault domain shares a common power source and network switch. The virtual machines and managed disks that implement the nodes within an HDInsight cluster are distributed across these fault domains. This architecture limits the potential impact of physical hardware failures.
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Each Azure region has a specific number of fault domains. For a list of domains and the number of fault domains they contain, refer to documentation on [Availability Sets](/azure/virtual-machines/availability).
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