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
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edited May 8, 2019 by Gitika 2,581 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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1,931 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
1,682 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
1,979 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
1,587 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
1,613 views
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How to add user in supergroup of hdfs in linux?

Yes , now i have whole idea ...READ MORE

Sep 21, 2018 in Big Data Hadoop by Frankie
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12,444 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
1,609 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
1,957 views
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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
8,172 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
1,354 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
1,339 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
1,580 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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2,941 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
1,531 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
1,350 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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1,644 views
0 votes
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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
• 65,730 points
1,826 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
1,336 views
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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
1,635 views
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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
18,222 views
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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
1,319 views
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Hadoop Hive: How to skip the first line of csv while loading in hive table?

You can try this: CREATE TABLE temp ...READ MORE

Nov 8, 2018 in Big Data Hadoop by Omkar
• 69,180 points
10,271 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
1,314 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
1,297 views
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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
1,498 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
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1,545 views
0 votes
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
1,849 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
2,059 views
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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
1,711 views
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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
1,108 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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2,720 views
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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
1,981 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
1,450 views
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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
1,840 views
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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
1,228 views
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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
1,355 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
1,183 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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2,393 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
1,691 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
1,388 views
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HBase configuration in Hue

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

May 27, 2019 in Big Data Hadoop by Reshma
1,512 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
1,514 views
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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
1,384 views
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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
2,026 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
1,498 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
2,015 views
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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
1,797 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
1,319 views
0 votes
1 answer

How to set output path for sqoop generated code?

To set output path for the generated ...READ MORE

May 17, 2019 in Big Data Hadoop by Suman
1,954 views