Trending questions in Big Data Hadoop

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Command to allows polling the Oozie server for an Oozie job?

Hey, You can use this command to see polling ...READ MORE

Jun 18, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,045 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
 • 65,770 points • 737 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 • 1,202 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 • 1,845 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 • 676 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 • 901 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
 • 2,125 views
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1 answer

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 • 728 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
 • 1,762 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
 • 935 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 • 1,018 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 • 664 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 • 1,008 views
0 votes
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 • 1,653 views
0 votes
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
 • 1,207 views
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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 • 619 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
 • 65,770 points • 607 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 • 2,554 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 • 680 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
 • 1,453 views
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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 • 687 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 • 952 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
 • 867 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
 • 633 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 • 822 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 • 889 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 • 623 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 • 622 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 • 2,419 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 • 1,047 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 • 904 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
 • 2,072 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 • 591 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 • 579 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 • 1,360 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 • 1,089 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
 • 776 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 • 2,292 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
 • 2,278 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 • 1,716 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
 • 2,265 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
 • 713 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
 • 1,387 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
 • 1,432 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 • 1,369 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
 • 1,961 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 • 745 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
 • 649 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 • 1,073 views
0 votes
1 answer

What is control flow Nodes defines in Oozie?

Hello, Control flow nodes define the beginning and ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,056 views
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