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Merge pull request #266785 from v-akarnase/patch-37
Update hdinsight-faq.yml
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articles/hdinsight/hdinsight-faq.yml

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ms.service: hdinsight
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ms.custom: hdinsightactive
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ms.topic: faq
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ms.date: 02/06/2023
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ms.date: 02/21/2024
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title: "Azure HDInsight: Frequently asked questions"
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summary: |
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This article provides answers to some of the most common questions about how to run [Azure HDInsight](https://azure.microsoft.com/services/hdinsight/).
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1. Recommend setting up HDInsight clusters with a [Custom Ambari DB](./hdinsight-custom-ambari-db.md) to improve the cluster scalability.
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2. Use [Azure Data Lake Storage Gen2](./hdinsight-hadoop-use-data-lake-storage-gen2.md) to create HDInsight clusters to take advantage of higher bandwidth and other performance characteristics of Azure Data Lake Storage Gen2.
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3. Headnodes should be sufficiently large to accommodate multiple master services running on these nodes.
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4. Some specific workloads such as Interactive Query will also need larger Zookeeper nodes. Please consider minimum of 8 core VMs.
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4. Some specific workloads such as Interactive Query will also need larger Zookeeper nodes. Please consider minimum of eight core VMs.
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5. In the case of Hive and Spark, use [External Hive metastore](./hdinsight-use-external-metadata-stores.md).
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- name: Individual Components
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- [Enable Microsoft Entra Domain Services](domain-joined/apache-domain-joined-configure-using-azure-adds.md#enable-azure-ad-ds)
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- [Tutorial: Configure secure LDAP for an Microsoft Entra Domain Services managed domain](../active-directory-domain-services/tutorial-configure-ldaps.md)
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- [Tutorial: Configure secure LDAP for Microsoft Entra Domain Services managed domain](../active-directory-domain-services/tutorial-configure-ldaps.md)
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- question: |
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Can I install Data Analytics Studio (DAS) as an ESP cluster?
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If you call the Curl command in the same virtual network or a peered virtual network, the command is:
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```curl
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curl -u <cluster login username> -sS -G
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http://<headnodehost>:8080/api/v1/clusters/<ClusterName>/services/YARN/components/NODEMANAGER?fields=metrics/cpu
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```
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- For a non-ESP cluster:
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```curl
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curl -u <cluster login username> -sS -G
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https://<ClusterName>.azurehdinsight.net/api/v1/clusters/<ClusterName>/services/YARN/components/NODEMANAGER?fields=metrics/cpu
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```
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- For an ESP cluster:
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```curl
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curl -u <cluster login username>-sS -G
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https://<ClusterName>.azurehdinsight.net/api/v1/clusters/<ClusterName>/services/YARN/components/NODEMANAGER?fields=metrics/cpu
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```
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> [!NOTE]
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> Curl will prompt you for a password. You must enter a valid password for the cluster login username.
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> Curl prompts you for a password. You must enter a valid password for the cluster login username.
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- name: Billing
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questions:

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