Trending questions in Big Data Hadoop

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1 answer

Python read file as stream from HDFS

I could redirect to a Python library ...READ MORE

May 30, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,248 views
0 votes
1 answer

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 • 1,079 views
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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 • 1,911 views
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1 answer

Sqoop Job not working

I have made a little change to ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Vishwa
 • 1,329 views
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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 • 1,368 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
 • 1,313 views
+1 vote
1 answer

which version of sqoop i install for hadoop3.1.1 ?

Hi @lucky! The latest version of Sqoop available ...READ MORE

Feb 7, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 6,987 views
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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 • 1,025 views
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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
 • 2,545 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 • 2,461 views
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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 • 1,077 views
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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 • 1,052 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
 • 2,083 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 • 1,051 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 • 1,037 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 • 1,045 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 • 957 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
 • 6,642 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 • 1,332 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 • 977 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
 • 742 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 • 1,308 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 • 920 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 • 10,031 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 • 1,875 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 • 1,428 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 • 2,323 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 • 1,242 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 • 977 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 • 2,153 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 • 2,785 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 • 2,716 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
 • 6,107 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
 • 2,308 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 • 5,639 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
 • 951 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
 • 1,176 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 • 1,554 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 • 1,966 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 • 1,119 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
 • 2,647 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 • 1,652 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
 • 2,382 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 • 2,636 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 • 1,428 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
 • 1,075 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 • 1,162 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
 • 1,753 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
 • 1,788 views
0 votes
1 answer

Use cases of Apache Oozie?

Hi, Apache Oozie is used by Hadoop system ...READ MORE

Jun 12, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,415 views
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