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Questions tagged [ambari]

The Apache Ambari project is aimed at making Hadoop management simpler by developing software for provisioning, managing, and monitoring Apache Hadoop clusters. Ambari provides an intuitive, easy-to-use Hadoop management web UI backed by its RESTful APIs.

The Apache Ambari project is aimed at making Hadoop management simpler by developing software for provisioning, managing, and monitoring Apache Hadoop clusters. Ambari provides an intuitive, easy-to-use Hadoop management web UI backed by its RESTful APIs.

Ambari enables System Administrators to:

  • Provision a Hadoop Cluster:

    • Ambari provides a step-by-step wizard for installing Hadoop services across any number of hosts.
    • Ambari handles configuration of Hadoop services for the cluster.

  • Manage a Hadoop Cluster

    • Ambari provides central management for starting, stopping, and reconfiguring Hadoop services across the entire cluster.

  • Monitor a Hadoop Cluster

    • Ambari provides a dashboard for monitoring health and status of the Hadoop cluster.
    • Ambari leverages Ambari Metrics System for metrics collection.

    • Ambari leverages Ambari Alert Framework for system alerting and will notify you when your attention is needed (e.g., a node goes down, remaining disk space is low, etc). Ambari enables Application Developers and System Integrators to:

    • Easily integrate Hadoop provisioning, management, and monitoring capabilities to their own applications with the Ambari REST APIs.

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Failed to get D-Bus connection: Operation not permitted

I'm trying to install ambari 2.6 on a docker centos7 image but in the the ambari setup step and exactly while initializing the postgresql db I receive this error: Failed to get D-Bus connection: Operation not permitted I've got this error every…
fadhloun anis
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Can not read large data from phoenix table

Hi All i am getting below error message while running phoenix count query on a large table. 0: jdbc:phoenix:hadoopm1:2181> select Count(*) from PJM_DATASET; +------------+ | COUNT(1) | +------------+ java.lang.RuntimeException:…
user3683741
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How to disable Transparent Huge Pages (THP) in Ubuntu 16.04LTS

I am setting up an ambari cluster with 3 virtualbox VMs running Ubuntu 16.04LTS. However I get the below warning: The following hosts have Transparent Huge Pages (THP) enabled. THP should be disabled to avoid potential Hadoop performance…
thanuja
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Ext JS library not installed correctly in Oozie

I'm getting the following message when I access to the oozie UI. Oozie web console is disabled. To enable Oozie web console install the Ext JS library. I'm using HDP distribution and installed through ambari service installer. I tried to follow…
JaviOverflow
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Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password) during ambari hadoop installation

I am trying to deploy a hadoop cluster using ambari, but when i select the hostnames with FQDN and proceed to configure I get the permission denied error for ssh. STEPS: 1. generated rsa key using ssh-keygen as root. changed permission for…
Abhi.G
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zookeeper server not running

I'm trying to start an hbase master from ambari. It can't start it because it can't connect to zookeper server. Ambari marks all the zookeper servers (3 nodes) as running. The application server (tomcat¿?) that runs the zookeper server application…
NotGaeL
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HiveServer2: Thrift SASL related exception when using custom PasswdAuthenticationProvider

I've created a custom implementation of the PasswdAuthenticationProvider interface, based on OAuth2. I think the code is irrelevant for the problem I'm experiencing, nevertheless, it can be found here. I've configured hive-site.xml with the…
frb
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/bin/sh: /usr/jdk64/jdk1.7.0_45/bin/java: cannot execute binary file

I installed Ambari server successfully, But when I try to start that server it says, /bin/sh: /usr/jdk64/jdk1.7.0_45/bin/java: cannot execute binary file So could you please help me to resolve this. Thank You.
Madura Dissanayake
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-bash: bin/kafka-topics.sh: No such file or directory installed via ambari

Im new in hadoop and apache environment. Now I'm trying to learn about kafka I've installed hadoop via ambari. And i can see that there are some services installed. Including zookeeper . When i click on that service it shows zookeeper server started…
yuliansen
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URI to access a file in HDFS

I have setup a cluster using Ambari that includes 3 nodes . Now I want to access a file in a HDFS using my client application. I can find all node URIs under Data Nodes in Amabari. What is the URI + Port I need to use to access a file ? I have used…
nish1013
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Ambari Name Node Startup Fails when safe mode is on.

I'm having a weird issue trying to restart my hadoop cluster in Ambari after a reboot of all nodes. Despite not making any configuration changes the name node service fails to start with the error below. > Fail: Execution of 'su -s /bin/bash - hdfs…
Duncan Krebs
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kafka logs + how to limit the logs size

in my ambari cluster ( version 2.6 ) we have master machines and workers machines while kafka installed on the master machines the partition /data is only 15G and kafka log folder is - /data/var/kafka/kafka-logs most of the folders under …
King David
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Switching from Capacity Scheduler to Fair Scheduler on Hortonworks Data Platform

My organization is currently using Hortonworks HDP to manage our Hadoop Cluster. The default YARN scheduler is the Capacity Scheduler. I would like to switch to a Fair Scheduler. I am completely new to HDP. In the absence of a cluster management…
Soham
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Ambari 2.0 installation fails, ""

Trying to establish a Hadoop cluster via Ambari 2.0, however failure occurs at installation phase. Here are failure logs from one of the datanodes: stderr: /var/lib/ambari-agent/data/errors-416.txt Traceback (most recent call last): File…
gunererd
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Apache Ambari retired. What next?

Apache Ambari moved into the Attic in January 2022. So Apache Ambari has retired, and the only reliable alternative that I know is Cloudera Manager, but Cloudera Manager is a paid service and because of that is not very helpful for small and medium…
Cosmin
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