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Can we use VMware Storage (virtual disks) in Hadoop Cluster Installation?

 

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Reply To: Ambari 2.1 on Centos 7 Fails to create a cluster

Hi, I am using a 2 node cluster and facing a similar problem, I am able to establish a ssh connection to the both the nodes successfully and vice versa. but the setup agent script still fails. Any...

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HDP 2.1 to 2.2 upgrade RHEL6 problem and question

Hi everyone! I have a cluster with 1 NameNode and 4 DataNodes on Red Hat Linux Enterprise 6. My HDP version is 2.1. Ambari version was 1.7 but I upgraded it to 2.1. I want to upgrade HDP to version...

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enhanced consumer release dates

Hi All There is enough hype about Kafka coming up with quite improved version of High Level consumer https://cwiki.apache.org/confluence/display/KAFKA/Client+Rewrite#ClientRewrite-ConsumerAPI I did...

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JobHistory: No SysLog and log4j warn for stderr

I’m using HDP 2.2.4.2-2. I have trouble to see loggings from JobHistory. Not sure what is the configuration missed server-side or client-side. So I have a simple wordCount program: public class...

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How do I develop MapReduce programs?

I am looking to develop Hadoop MapReduce programs. So far I’ve done the following: Downloaded and installed the HortonWorks sandbox (2.2, but can upgrade to 2.3). Installed Eclipse on my local Windows...

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Reply To: Unable to run pig script with python UDF in mapreduce mode : ERROR...

I moved the file to: /tmp/test.py; Ran the following pig script: REGISTER jython-standalone-2.7.0.jar ; –REGISTER ‘/user/hue/test.py’ using org.apache.pig.scripting.jython.JythonScriptEngine as...

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Reply To: which JAR files are required for remote JDBC clients

You can use the beeline (embedded in Spark) to connect. See the example in http://hortonworks.com/hadoop-tutorial/apache-spark-1-4-1-technical-preview-with-hdp/ OR you can use any other client that...

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Reply To: which JAR files are required for remote JDBC clients

Hi Vinay, that does not answer my question. Let me phrase it this way. I am aware and connect to the server using the Hive 0.1x JDBC driver. My question was, are there other JAR files which are also...

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memcached and hive terminal issue

After memcached configuration with HDP2.3, not able to connect to Hive terminal. Hive terminal is not opening and hanging after some time. I will be very grateful for your help and advice. -kamal maurya

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Hadoop Cluster Disk Storage

Hello,   We are planning to setup a new Hadoop Cluster in a Virtual Environment. We have checked that this is possible as long as the OS to be used is supported. However for the disk storage ,we have...

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Reply To: IP 127.0.0.1:8888 in place of 192.168.56.101

Please look into the eth0 config While correcting you probably have removed HOSTNAME=”sandbox.hortonworks.com” try it and reboot the machine of network  

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Reply To: Hadoop Cluster Disk Storage

I have built Hadoop clusters on VMWare – that is not a problem. I think I was using VMware storage connecting to a FreeNAS box. Hadoop does not do anything special to access the disks. It uses the...

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Upgrading Hive to allow Update/Delete Transactions

I have created a Hadoop Cluster with Ambari 2.1 including Hive. I would like to be able to do Update and Delete queries within Hive, but it looks like I currently have version 0.12.0.2.0 of Hive. I...

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Cloudbreak Networking in CGP

Hi, I’ve got a fairly vanilla install of HDP 2.3 on GCP using cloudbreak. How does the networking setup work? I am attempting to reach the hdfs service from another hadoop [client] instance. [I...

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Reply To: list of Components in Blueprints

Yes, adding and maintaining this list to the official Ambari wiki would be very helpful. This page provides this information for HDP 2.1 as well as a link to a comprehensive list of cluster option...

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HBASE Java API cannot connect to HDP 2.3

I installed HDP 2.3 (hdp 2.3.0.0-2557 was installed) and am trying to connect my HBase Java API program to HBase on HDP. I was able to verify the following versions – Hadoop 2.7.1.2.3.0.0-2557 HBase...

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Oozie User Privileges in Database

Hi, We gave all privileges for oozie.* to the oozie user. The Oozie database is called ‘oozie’. However, in the HDP manual, the oozie user is given all privileges to all databases in the existing...

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Reply To: JobHistory: No SysLog and log4j warn for stderr

The thing is a have the log4j.properties in the jar file. The structure of jar file is: META-INF/MANIFEST.MF .project .classpath WordCount$IntSumReducer.class WordCount$TokenizerMapper.class...

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Ambari failed in cluster

Hi Team, I am facing problem when i am creating ambari server , it is getting failed . Please find the logs:- STDOUT: Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)....

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