Trending questions in Big Data Hadoop

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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
 • 531 views
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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
 • 65,770 points • 746 views
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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
 • 65,770 points • 705 views
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1 answer

How to print the counter value in MapReduce?

Hey, You can use this command to print ...READ MORE

Jun 14, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,225 views
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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 • 1,862 views
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How to change the status of Oozie state?

Hi, You can use the command below: $ oozie ...READ MORE

Jun 25, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 755 views
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1 answer

How to remove table scope operators in HBase?

Hi,  Using alter, you can set and remove ...READ MORE

Jun 21, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 921 views
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1 answer

Namenode stops automatically after a while when started Hadoop.

Hi, You can follow these steps which can ...READ MORE

Jun 17, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,059 views
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1 answer

Getting error message on execution of sqoop command to list database

Please use the sqoop list database syntax ...READ MORE

May 23, 2019 in Big Data Hadoop by Rashmi
 • 2,143 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
 • 964 views
+2 votes
1 answer

windows 10 C:\Users\mk>hadoop -version output:- Error: Could not find or load main class P.

Hey, I guess the error you are facing ...READ MORE

May 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 2,610 views
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1 answer

Error: Unable to load native-hadoop library for your platform.

Hi,  You should execute the command hdfs dfs -ls ...READ MORE

Jun 17, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,047 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 • 685 views
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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
 • 1,773 views
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2 answers

Hey for all, how to get on large data i want use in hadoop?

Hi, To work with Hadoop you can also ...READ MORE

Jul 30, 2019 in Big Data Hadoop by Sunny
 • 1,244 views
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2 answers

Not able to run Hive queries.

If you are loading your data from ...READ MORE

Mar 3, 2020 in Big Data Hadoop by chima
edited Mar 4, 2020 by Gitika • 1,673 views
0 votes
1 answer

Impala get current time

You can get the current time using ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Raman
 • 1,495 views
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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
 • 65,770 points • 621 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 • 626 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
 • 65,770 points
edited Jun 26, 2019 by Gitika • 712 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
 • 65,770 points • 692 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
 • 896 views
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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 • 972 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
 • 652 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 • 921 views
0 votes
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 • 646 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
 • 65,770 points • 653 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
 • 65,770 points • 649 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
 • 65,770 points • 931 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
 • 65,770 points • 1,069 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
 • 65,770 points • 2,436 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 • 828 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
 • 2,091 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 • 1,404 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
 • 65,770 points • 605 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
 • 65,770 points • 2,329 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
 • 2,314 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
 • 65,770 points • 1,102 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
 • 789 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 • 1,741 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
 • 1,425 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
 • 737 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
 • 2,285 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
 • 1,449 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 • 1,402 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
 • 1,980 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
 • 65,770 points • 1,101 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
 • 65,770 points • 1,532 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
 • 675 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
 • 5,630 views
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