Trending questions in Big Data Hadoop

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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
2,318 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
2,612 views
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1 answer

What are the extra files we need to run when we run a Hive action in Oozie?

Hi, Below are the extra files that need ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
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1,474 views
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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
2,687 views
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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
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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
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1,476 views
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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
1,746 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
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1,383 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
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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
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1,617 views
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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
2,055 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
1,662 views
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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
7,034 views
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Hadoop Installation error [closed]

Pls help on below error..on MAC OS WARN ...READ MORE

Jul 10, 2019 in Big Data Hadoop by Anshuman
• 130 points

closed Jul 10, 2019 by Omkar 757 views
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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
1,624 views
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1 answer

Hive:Unable to insert values to an array column using "insert".

make a dummy table which has at least one row. INSERT ...READ MORE

Dec 1, 2018 in Big Data Hadoop by Omkar
• 69,180 points
10,296 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
3,207 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
1,690 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
2,412 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
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1,291 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
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1,356 views
0 votes
1 answer

Opening a HDFS file in browser

In HDFS 8020 is IPC port, you ...READ MORE

Oct 29, 2018 in Big Data Hadoop by Frankie
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11,651 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
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1,306 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
1,650 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
2,693 views
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1 answer
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
2,678 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
6,471 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
1,775 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
1,246 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
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edited Jun 26, 2019 by Gitika 1,339 views
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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
2,357 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
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1,328 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
1,573 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
3,040 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
2,183 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 1,256 views
0 votes
1 answer

Why is it necessary to rename the zoo_sample.cfg with zoo.cfg in zookeeper?

Hey, The main reason why we need to ...READ MORE

May 28, 2019 in Big Data Hadoop by Gitika
• 65,730 points
2,484 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
1,271 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
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1,285 views
0 votes
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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
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3,011 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
1,788 views
0 votes
1 answer
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
1,467 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
2,145 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 2,965 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
2,092 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
955 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
2,687 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
1,417 views