Trending questions in Big Data Hadoop

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Error: Unable to instantiate

Hi,  There is a possibility that because of ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 900 views
0 votes
1 answer

Is there a possibility to run Apache Spark without Hadoop?

Spark and Hadoop both are the open-source ...READ MORE

Jun 6, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,737 views
0 votes
1 answer

Problem connecting Sqoop to MySql

Perhaps, you have slightly misunderstood the method ...READ MORE

May 15, 2019 in Big Data Hadoop by Ali
 • 2,679 views
0 votes
1 answer

Custom setting of MapReduce tasks in HIVE

When we set number of mappers to ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Ferry
 • 1,161 views
0 votes
1 answer

Differences between Cassandra and Hadoop, Real-time Processing v/s Batch Processing

Hadoop is basically designed including HDFS loaded with ...READ MORE

Jun 18, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,213 views
0 votes
0 answers

flume installation steps on ubuntu [closed]

Jun 27, 2019 in Big Data Hadoop by shraddha
 • 120 points
closed Jun 27, 2019 by Omkar • 888 views
0 votes
1 answer

What are the properties that have to be mentioned in . properties in Oozie?

Hey, These are the listed properties that need ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 889 views
0 votes
0 answers

what are the commonly used Spark ecosystem?

Can someone mention what are the commonly ...READ MORE

Jul 2, 2019 in Big Data Hadoop by ranjan
 • 665 views
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1 answer

Exception: Hadoop security GroupMappingServiceProvider. I have received this exception for running Spark job via Dataproc API

 I hope I understood your issue and ...READ MORE

Jun 24, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 933 views
0 votes
1 answer

What is Oozie Sqoop submit command?

Hey, This is the command you can use: oozie ...READ MORE

Jun 24, 2019 in Big Data Hadoop by Gitika
 • 65,730 points
edited Jun 26, 2019 by Gitika • 941 views
0 votes
1 answer

Hive: Granting roles to groups

You can use the GRANT ROLE statement ...READ MORE

May 31, 2019 in Big Data Hadoop by Roshni
 • 1,961 views
0 votes
1 answer

How to check the directory is present in shell script or not?

Hi, To check the directory is present in ...READ MORE

Jun 25, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 909 views
0 votes
1 answer

What Oozie CLI retries connection used for?

Hi, Oozie CLI retries the connection to Oozie servers ...READ MORE

Jun 24, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 921 views
0 votes
1 answer

What is Oozie Hive submit command?

Hi, You can use this example : oozie hive ...READ MORE

Jun 24, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 915 views
0 votes
1 answer

Can I run Hadoop with Docker for both DEV and PROD environments?

Hadoop Docker Hub provides Hadoop Images, You ...READ MORE

Jun 26, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 829 views
0 votes
1 answer

How to see a running workflow, coordinate or bundle of job in Oozie?

Hey, You can use this example to see, $ ...READ MORE

Jun 18, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,201 views
0 votes
1 answer

Disable dynamic partition in hive

Dynamic partition is set to true by ...READ MORE

May 21, 2019 in Big Data Hadoop by Vishwa
 • 2,357 views
0 votes
1 answer

Parquet to ORC format in Hive

Follow the below steps to load the ...READ MORE

Feb 15, 2019 in Big Data Hadoop by Raj
 • 6,485 views
0 votes
0 answers

How to Execute job in oozie?

Can anyone explain how to execute Job ...READ MORE

Jun 26, 2019 in Big Data Hadoop by ritam
 • 862 views
0 votes
1 answer

How to create Hive tables that can be partitioned Using HiveQL?

Hey, You can create a Hive table using ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 782 views
0 votes
1 answer

What is the syntax for HiveQL SELECT Statement?

Hey,  You can use this  syntax below: SELECT [ALL ...READ MORE

Jun 25, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 861 views
0 votes
1 answer

Is it possible to run Apache Spark without Apache Hadoop?

First of all, Let us get a ...READ MORE

Jun 17, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,165 views
0 votes
1 answer

Error: Tasktracker is not starting

Hey, From the master node, you can start ...READ MORE

Jun 18, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,115 views
0 votes
1 answer

How to access HBase shell and navigate and navigate to the HBase home folder?

Hey, To access the HBase shell, you have ...READ MORE

May 23, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,250 views
0 votes
1 answer

How to see the history of Job output-dir in MapReduce?

Hi, You can use this command to the ...READ MORE

Jun 14, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,278 views
0 votes
1 answer

What is SerDe in Hive?

Hey, The SerDe interface allows you to instruct ...READ MORE

May 14, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,636 views
0 votes
1 answer

Hadoop Warning: Unable to load Native-Hadoop Library for your platform.

Are you sure you're running Hadoop on 32bit ...READ MORE

May 28, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,995 views
0 votes
1 answer

Sqoop installation on Linux

Before installing Sqoop, make sure Hadoop is ...READ MORE

Feb 26, 2019 in Big Data Hadoop by Suman
 • 5,946 views
0 votes
1 answer

Why CREATE EXTERNAL keyword is used in Hive?

Hey, The create external keyword is used to create a ...READ MORE

May 15, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,546 views
0 votes
1 answer

Can anyone help me in installing and configuring a Multi-Node Hadoop Cluster?

To install Hadoop setup on the 4-node ...READ MORE

Jun 4, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,674 views
0 votes
1 answer

Help m setting up a multi node hadoop cluster

I can help you on this one. Requirement: ...READ MORE

Jun 20, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,001 views
0 votes
1 answer

Is no of block equal no of i/p split, no of container, no of mapper ?

Split size is approximately equal to block ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Ron
 • 974 views
0 votes
1 answer

Difference between ensemble and quorum in zookeeper?

Hey, When you want to have high availability ...READ MORE

May 25, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,118 views
0 votes
1 answer

How to create the Oozie DB using the 'ooziedb.sh' command line tool?

This is the command you can use: $ ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,387 views
0 votes
1 answer

Hdfs cluster and Master/standby Machine

Client submits job to Namenode. To achieve this, Client ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Raj
 • 992 views
0 votes
2 answers

Using PHP to get all file names in a folder stored in HDFS

So i found a workaround for the ...READ MORE

Mar 13, 2019 in Big Data Hadoop by Bhavish
 • 370 points
edited Mar 13, 2019 by Omkar • 5,286 views
0 votes
1 answer

Configure Oozie to use MySQL

To configure Oozie to use MySQL, open ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Karan
 • 1,633 views
0 votes
1 answer

Hive: Configure Hue as a proxy user

On your node, go to the hadoop ...READ MORE

May 24, 2019 in Big Data Hadoop by Esha
 • 2,108 views
0 votes
1 answer

zookeeper starting problem

Hey, The QuorumPeerMain service is visible with sudo ...READ MORE

May 31, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,799 views
0 votes
1 answer

How do I handle "Hadoop security GroupMappingServiceProvider exception" while I am running a Spark job via Dataproc API?

I understood your issue and as far ...READ MORE

Jun 7, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,497 views
0 votes
1 answer

How to use data compression in sqoop import?

You can enable data compression from the ...READ MORE

May 15, 2019 in Big Data Hadoop by Rocky
 • 2,486 views
0 votes
1 answer

How Oozie prepares Hadoop configuration file?

Hi, Oozie prepares a Hadoop configuration file which ...READ MORE

Jun 12, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,272 views
0 votes
1 answer

Hive: Display logs on console

You can emit the logs on the ...READ MORE

May 21, 2019 in Big Data Hadoop by Jishnu
 • 2,204 views
0 votes
1 answer

"Write successful" message from Data node to Name Node

What happens is namenode on the basis ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Quill
 • 910 views
0 votes
1 answer

Connect Beeline to Secure Hive Server2

Use the following command to start beeline and connect ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Hanan
 • 1,637 views
0 votes
1 answer

Can you please help with Hive Query to get FirstName, MiddleName, LastName and Suffix from FullName in Hive. Thank you

Hey, You can get first name, middle name, ...READ MORE

May 15, 2019 in Big Data Hadoop by Gitika
 • 65,730 points
edited May 15, 2019 by Gitika • 2,432 views
+1 vote
1 answer

Hadoop: "DEPRECATED: Use of this script to execute hdfs command is deprecated." error

The use of dfs in your command is "Deprecated". ...READ MORE

Nov 26, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 9,720 views
0 votes
1 answer

Explain how the MongoDB MapReduce and Hadoop MapReduce are similar to each other and explain the differences if there are any.

Let us discuss the few differences between ...READ MORE

Jun 18, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 960 views
0 votes
1 answer

SQOOP Import command failure

Try this command where the student table ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Suri
 • 866 views
0 votes
1 answer

Whenever I try to start the yarn daemon. ./start-dfs.sh it says access denied I have even tried changing the file permissions but it didn't work.

Seems like the ssh is not properly ...READ MORE

Mar 8, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 5,348 views
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