Trending questions in Big Data Hadoop

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What is the syntax for creating bucketing table in hive?

Hi, Syntax for creating bucketed table is as ...READ MORE

May 16, 2019 in Big Data Hadoop by Gitika
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2,264 views
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1 answer

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
1,776 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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1,980 views
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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
1,472 views
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1 answer

Cant connec to zookeeper: KeeperErrorCode = ConnectionLoss for HBase

Mostly HMaster is not running. Enter the ...READ MORE

Dec 28, 2018 in Big Data Hadoop by Omkar
• 69,180 points
8,247 views
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How to set Zookeeper server in Hue?

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

May 30, 2019 in Big Data Hadoop by John
1,638 views
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1 answer

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
2,022 views
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1 answer

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
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edited May 8, 2019 by Gitika 2,617 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
1,717 views
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I have installed Hadoop on Ubuntu but name node is not running.

If you are using Hadoop version-2.7.7, then ...READ MORE

Apr 30, 2019 in Big Data Hadoop by Gitika
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3,023 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
1,652 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
1,381 views
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1 answer

HiveServer2 connection URL format

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

Jun 4, 2019 in Big Data Hadoop by Giri
1,388 views
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Hive: Execute MapReduce jobs locally

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

May 21, 2019 in Big Data Hadoop by Gani
1,985 views
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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
1,615 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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1,695 views
0 votes
1 answer

Where does HDFS stores data on the local file system?

First find the Hadoop directory present in ...READ MORE

May 8, 2018 in Big Data Hadoop by Shubham
• 13,490 points
18,296 views
0 votes
1 answer

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
1,601 views
0 votes
1 answer

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
1,563 views
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1 answer

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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1,868 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
1,385 views
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1 answer

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
1,378 views
0 votes
1 answer

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
1,678 views
0 votes
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
1,352 views
0 votes
1 answer

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
2,175 views
0 votes
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
1,345 views
0 votes
1 answer

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
• 65,730 points
1,592 views
0 votes
1 answer

Sqoop import tables to Accumulo

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

May 16, 2019 in Big Data Hadoop by Tina
2,106 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
1,894 views
0 votes
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
1,332 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
1,756 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
1,535 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
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2,793 views
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Factorial function in Impala

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

Jun 7, 2019 in Big Data Hadoop by Reshma
1,144 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
2,020 views
0 votes
1 answer

Hive: Change data format for DDL output

By default, the DDL output is set ...READ MORE

May 20, 2019 in Big Data Hadoop by Karan
1,873 views
0 votes
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
1,399 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
1,560 views
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1 answer

How to install WebHCat Rest server on Centos?

Open the terminal and run the following ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Harry
1,255 views
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1 answer

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
1,430 views
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1 answer

Hadoop HDFS .jar registration Issue

Please use the register command inside the ...READ MORE

May 23, 2019 in Big Data Hadoop by Yogi
1,732 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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2,427 views
0 votes
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Connecting to HiveServer2 with SSL enabled.

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

Jun 4, 2019 in Big Data Hadoop by Dinesh
1,212 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
1,544 views
0 votes
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
1,541 views
0 votes
1 answer

Setting Job Tracker port in Hue

Open the hue configuration file and under the [[mapred_clusters]] property set ...READ MORE

May 31, 2019 in Big Data Hadoop by Raj
1,412 views
0 votes
1 answer

How to add server-side configuration for secure operation in HBase?

Hey, First, ensure that your underlying HDFS configuration ...READ MORE

May 31, 2019 in Big Data Hadoop by Gitika
• 65,730 points
1,360 views
0 votes
1 answer

Processing BLOB data in Sqoop

This is a common problem while using ...READ MORE

May 15, 2019 in Big Data Hadoop by Vasant
2,054 views
0 votes
1 answer

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
1,833 views
0 votes
1 answer

Run Oozie against a federated Cluster

You can run Oozie against the federated ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Nanda
1,098 views