Trending questions in Big Data Hadoop

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What is pig storage and why it is used?

Hello, In pig, there is a default load ...READ MORE

May 8, 2019 in Big Data Hadoop by Gitika
• 65,730 points

edited May 8, 2019 by Gitika • 3,063 views
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What is the necessity of slave node in Oozie workflow?

Hey, A topology runs in a distributed manner, ...READ MORE

Jun 12, 2019 in Big Data Hadoop by Gitika
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• 1,551 views
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Configurations to enable impersonation for Hbase thrift servers

The default configuration suggested in the official ...READ MORE

May 27, 2019 in Big Data Hadoop by Khan
• 2,188 views
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How to change WebHCat default port?

The default port configuration is stored in ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Hari
• 1,850 views
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Which code do we use to open the connection in HBase?

Hey, To open a connection, following code: Configuartion myconf ...READ MORE

May 23, 2019 in Big Data Hadoop by Gitika
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• 2,395 views
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Power of a number in Impala

Suppose you have fetched two values X ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Reshma
• 1,753 views
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How many files can hive create in HDFS duringbMapReduce job?

There is a limit on how many ...READ MORE

May 21, 2019 in Big Data Hadoop by Charuni
• 2,445 views
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Change HDFS Cluster configuration in hue

You have to set this in hue configuration file. ...READ MORE

May 29, 2019 in Big Data Hadoop by Tina
• 2,086 views
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Oozie Uber JARs support configuration

You can configure Oozie to handle Uber ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Karan
• 1,746 views
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1 answer

Hive: Display column to which there is SELECT access

You can use the following query to ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Pratham
• 1,856 views
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Command to initiate MapReduce which provide decent UI?

I am new to MapReduce and want ...READ MORE

Jun 14, 2019 in Big Data Hadoop by Rachna
• 1,424 views
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How to start Command Line Interface in Zookeeper?

Hey, To start the CLI for zookeeper you can ...READ MORE

May 28, 2019 in Big Data Hadoop by Gitika
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• 2,142 views
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How to set history server api in Hue?

You have to set this in hue configuration ...READ MORE

May 30, 2019 in Big Data Hadoop by jana
• 2,053 views
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What is group_name_filter property in Hue file?

The group_name_attr is used to set the username in the ...READ MORE

May 28, 2019 in Big Data Hadoop by Vasu
• 2,103 views
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HiveServer2: Enable LDAP Authentication for managed clusters

Follow the below mentioned steps to enable ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Karan
• 1,836 views
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HiveServer2 connection URL format

The HiveServer2 connection URL has the following ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Giri
• 1,795 views
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How to set job tracker host in Hue?

You have to set this in the hue ...READ MORE

May 30, 2019 in Big Data Hadoop by Raman
• 2,039 views
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Explain to me the difference between name node and secondary name node.

Firstly, You need to understand the major ...READ MORE

Apr 30, 2019 in Big Data Hadoop by ravikiran
• 4,620 points
• 3,299 views
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How to set mapping to java in sqoop?

Hey @Chris, to set the mapping to ...READ MORE

May 15, 2019 in Big Data Hadoop by Reshma
• 2,646 views
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How to set alternate user for new connection in Hue?

You can use the hive.server2.proxy.user property to do ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Lohith
• 1,809 views
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1 answer

Hive: Dynamic partition without using static partition

Hive asks for a static partition as ...READ MORE

May 21, 2019 in Big Data Hadoop by Suman
• 2,362 views
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How to create a Table using HBase shell ?

Hey, You can create a table using the create command, ...READ MORE

May 23, 2019 in Big Data Hadoop by Gitika
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• 2,282 views
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How to set SQLite Query Configurations in Hue?

To set the query configurations, you will ...READ MORE

May 27, 2019 in Big Data Hadoop by Suri
• 2,102 views
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1 answer

Hive: Execute MapReduce jobs locally

You can set Hive to run MapReduce ...READ MORE

May 21, 2019 in Big Data Hadoop by Gani
• 2,351 views
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1 answer

Configure Oozie to use MariaDB

Add the following properties in the oozie-site.xml file, it ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Esha
• 1,722 views
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1 answer

How to make Hue to submit jobs to Yarn?

First, you will have to configure oozie to use ...READ MORE

May 30, 2019 in Big Data Hadoop by Sagar
• 1,969 views
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1 answer

How to set Secret Key for Hue?

You have to set the secret key ...READ MORE

May 24, 2019 in Big Data Hadoop by Yogi
• 2,182 views
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1 answer

Installing WebHCat on Ubuntu

To install WebHCat on ubuntu using apt-get, ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Richard
• 1,747 views
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1 answer

Setting the resource manager port in Hue

Open the hue configuration file and search for the [[yarn_clusters]] sub-section. ...READ MORE

May 30, 2019 in Big Data Hadoop by Khan
• 1,956 views
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High Availability Yarn configuration in Hue

Here's the default configuration suggested by the ...READ MORE

May 30, 2019 in Big Data Hadoop by Rajan
• 1,917 views
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1 answer

How to enable LDAP authenticaition in Hue?

You can enable LDAP authentication with HiveServer2 by ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Bhavan
• 1,741 views
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1 answer

What are Map in pig?

Hey, Map comes under the data mode in ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
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• 2,901 views
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Sqoop import tables to Accumulo

To make sqoop import data into Accumulo, ...READ MORE

May 16, 2019 in Big Data Hadoop by Tina
• 2,484 views
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Issue with GPG Key retrieval which failed Hadoop Bigtop installation process.

 I understood your problem, I hope you can ...READ MORE

May 24, 2019 in Big Data Hadoop by ravikiran
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• 2,132 views
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How is Delete command is different with remove command with znode in zookeeper?

Hey, Delete (delete /path) command is similar to remove command, except the ...READ MORE

May 28, 2019 in Big Data Hadoop by Gitika
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• 1,958 views
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1 answer

Installing WebHCat on a SLES OS

apt-get is used for Ubuntu or other debian ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Emily
• 1,686 views
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1 answer

What is difference between pig and Mapreduce?

Hey, In MapReduce need to writ entire logic ...READ MORE

May 3, 2019 in Big Data Hadoop by Gitika
• 65,730 points
• 3,035 views
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How to configure the metastore service to communicate with the MySQL database in Hive?

Hey, This step shows the configuration properties you ...READ MORE

May 29, 2019 in Big Data Hadoop by Gitika
• 65,730 points
• 1,894 views
0 votes
1 answer

Specify JDBC driver to use with Sqoop

Mention the JDBC driver in the sqoop import ...READ MORE

May 17, 2019 in Big Data Hadoop by Kishan
• 2,413 views
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2 answers

Error:- cannot locate pig-core-hr. jar. do ‘ant -Dhadoopversion=23 jar’

Even I got the same error, I ...READ MORE

Apr 26, 2019 in Big Data Hadoop by disha

edited Apr 29, 2019 by Gitika • 3,269 views
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How to set Sentry server details in Hue?

You have to set the server details ...READ MORE

May 30, 2019 in Big Data Hadoop by Karna
• 1,840 views
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How to set authentication for Kerberos in Hue?

To set the authentication for Solr clients ...READ MORE

May 27, 2019 in Big Data Hadoop by Jimmy
• 1,968 views
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How to compress output of the mapreduce output in Hive?

To compress the output of the MapReduce ...READ MORE

May 20, 2019 in Big Data Hadoop by Hiran
• 2,256 views
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1 answer

HBase configuration in Hue

Hue allows you to point to the ...READ MORE

May 27, 2019 in Big Data Hadoop by Reshma
• 1,951 views
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1 answer

How to set Hbase truncate limit in hue?

Open the Hue configuration file and search for the [hbase] section ...READ MORE

May 27, 2019 in Big Data Hadoop by Harry
• 1,945 views
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1 answer

How to set HBase configuration file to set the heap to 4 GB ?

Hey, The following lines in the hbase-env.sh file shows how ...READ MORE

May 31, 2019 in Big Data Hadoop by Gitika
• 65,730 points
• 1,764 views
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1 answer

Connecting to HiveServer2 with SSL enabled.

The connection URL format to connect to ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Dinesh
• 1,594 views
0 votes
1 answer

Factorial function in Impala

There are two ways to do this: select ...READ MORE

Jun 7, 2019 in Big Data Hadoop by Reshma
• 1,462 views
0 votes
1 answer

Difference between Hadoop Mapreduce in MongoDB versus MangoDB's built-in MapReduce

Let me line up the crucial differences ...READ MORE

Apr 24, 2019 in Big Data Hadoop by ravikiran
• 4,620 points
• 3,351 views
0 votes
1 answer

Can anyone help me out to install the following packages R-MR, R-HDFS, and R-HBase on R-HAdoop?

I have understood your problem, I will ...READ MORE

May 31, 2019 in Big Data Hadoop by ravikiran
• 4,620 points
• 1,748 views