Trending questions in Big Data Hadoop

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Merging Files using PIG

In order to merge two or more ...READ MORE

Jul 9, 2019 in Big Data Hadoop by Tina
 • 1,598 views
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1 answer

Error: E0902: Exception occured: [User: oozie is not allowed to impersonate oozie]" when trying to execute sharelib command.

Hey, You can try this, Change the value ...READ MORE

Jun 25, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,218 views
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1 answer

Explain to me the installation procedures for RHadoop packages (RMR, RHDFS, RHBase).

Download packages rhdfs, rhbase, rmr2 and plyrmr ...READ MORE

Jun 28, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,030 views
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1 answer

Enabling TLS/SSL on Hive

To enable TLS/SSL on hive, you have ...READ MORE

May 31, 2019 in Big Data Hadoop by Haran
 • 3,208 views
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1 answer

Which java class handles the output record encoding into files which result from Hive queries?

Hey, This particular class handles the output record ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,089 views
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1 answer

How to create initial database without using Hive schema tool?

Hey, If for some reason you decide not ...READ MORE

May 29, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 3,283 views
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1 answer

How to execute Pig script from HDFS?

Hey, You can do something like executes a Pig ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,062 views
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1 answer

How can we configure remote metastore mode in Hive?

Hey,  Basically, hive-site.xml file has to be configured ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,402 views
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1 answer

Explain to me how to transfer data between Azure tables and Hadoop on Azure

I shall redirect you to a link ...READ MORE

Jul 4, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,723 views
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1 answer

How to set rep to particular user in hdfs?

HDFS does not allocate capacity separately based ...READ MORE

Jul 5, 2019 in Big Data Hadoop by Leena
 • 1,667 views
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1 answer

How to install Hadoop on Ubuntu?

You can manually create a file hadoop-env.sh ...READ MORE

Jul 5, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,662 views
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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
 • 3,860 views
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1 answer

Which data type is used to store the data in HBase table column?

Hey, Byte Array,  Put p = new Put(Bytes.toBytes("John Smith")); All ...READ MORE

May 29, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 3,284 views
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1 answer

Hive JDBC driver URL format and driver class.

For Hive server 1, the URL format ...READ MORE

May 31, 2019 in Big Data Hadoop by Adi
 • 3,142 views
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1 answer

Error: Operation not permitted, starting namenode logging to usr/local/hadoop, while starting Hadoop cluster.

Hey, You can do one thing, make a ...READ MORE

Jun 17, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,390 views
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1 answer

Impala get current time

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

Jun 6, 2019 in Big Data Hadoop by Raman
 • 2,863 views
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1 answer

Oozie exception error handling.

Hi, We can set Hive Action configuration using ...READ MORE

Jun 18, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,335 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
 • 2,584 views
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1 answer

How can you transfer data from hive to HDFS ?

Hey, Data in Hive tables reside on HDFS, ...READ MORE

May 16, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 3,764 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 • 2,626 views
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1 answer

Currently am working on Hadoop BigTop installation and am getting this particular error which reads, "GPG key retrieval failed: [Errno 14] problem making ssl connection"

If you are new to this installation ...READ MORE

Jul 1, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,768 views
0 votes
1 answer

Can hive queries be executed from script files? And how?

Hey, It is possible by using the source ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,005 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 • 3,006 views
0 votes
1 answer

Install Hadoop On Ubuntu

I guess it should be at /hadoop/hadoop-common-project/hadoop-common/sr ...READ MORE

Jul 8, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,447 views
0 votes
1 answer

Find Hadoop Configuration in Java Util.

I understand your issue of HDFS, I ...READ MORE

Jun 17, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,346 views
0 votes
1 answer

ERROR 2997: Encountered IOException. Directory does not exist.

Hi. I think the reason for this ...READ MORE

May 23, 2019 in Big Data Hadoop by Britney
 • 3,418 views
0 votes
1 answer

How to run PIG script?

Please follow the below screenshots for creating ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Dinesh
 • 2,206 views
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1 answer

How to connect Relational Database using Sqoop?

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

Jun 26, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,936 views
0 votes
1 answer

How are HDFS and HBase different from each other?

Apache Hadoop project includes four key modules Hadoop ...READ MORE

Jun 25, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,986 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 • 3,410 views
0 votes
1 answer

What is the use of Apache Kafka in a Big Data Cluster?

Kafka is a Distributed Messaging System which ...READ MORE

Jun 21, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,125 views
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1 answer

Relationship between Hadoop and Database

HDFS is a software framework designed for ...READ MORE

Jul 4, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,572 views
0 votes
1 answer

Unable to go to Hbase Shell

Hi@avi, I also met the same problem. You ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Hiran
edited Jun 9, 2020 by MD • 2,195 views
0 votes
1 answer

Hive: Revoke SELECT privilege from a Role

The following command can be used to ...READ MORE

May 31, 2019 in Big Data Hadoop by Shri
 • 3,009 views
0 votes
1 answer

How to fetch more data from database while using Sqoop import?

Hey. You guessed it right. The max ...READ MORE

May 15, 2019 in Big Data Hadoop by Gani
 • 3,701 views
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1 answer

Which java class handles the Input record encoding into files which store the tables in Hive?

Hey, This particular format will handle the input ...READ MORE

Jun 26, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,886 views
0 votes
1 answer

How kill control node works in Oozie?

Hey, The kill node allows a workflow job to kill ...READ MORE

Jun 12, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,480 views
0 votes
1 answer

How can you Check the xml definition of a Workflow, Coordinator or Bundle Job in Oozie?

Hey, You can use this example so that ...READ MORE

Jun 24, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,949 views
0 votes
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
 • 65,730 points • 2,228 views
0 votes
1 answer

Set Table Lock manager for Hive

To enable Table Lock manager, you have ...READ MORE

May 31, 2019 in Big Data Hadoop by Vinod
 • 2,966 views
0 votes
1 answer

How to Create a table with region replication in Hbase?

Hi, Region replication is a per-table property. All ...READ MORE

Jun 1, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,950 views
0 votes
1 answer

ElasticSearch Hadoop Cluster

The elasticsearch Hadoop library is not a ...READ MORE

Jul 2, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,578 views
0 votes
1 answer

How to connect Sqoop to mysql Database?

Hi. You can connect Sqoop to MySql ...READ MORE

May 15, 2019 in Big Data Hadoop by Tina
 • 3,640 views
0 votes
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
 • 65,730 points • 2,186 views
0 votes
1 answer

How Oozie workflow can be parameterised?

Hi, Oozie workflows can be parameterized. The parameters ...READ MORE

Jun 12, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,438 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 • 2,663 views
0 votes
1 answer

How can you enable buckets in Hive?

Hi, By using this command below bucket can be ...READ MORE

Jun 24, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,866 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 • 3,041 views
0 votes
1 answer

Explain to me how to get Hadoop configuration in Java Util.

In order to get access to the File ...READ MORE

May 24, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 3,196 views
0 votes
1 answer

I need to copy data from one HDFS to another HDFS. Can you help me do so?

I understood your issue. Let me help you ...READ MORE

May 16, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 3,539 views
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