Trending questions in Big Data Hadoop

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Enabling TLS/SSL on Hive

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

May 31, 2019 in Big Data Hadoop by Haran
 • 2,692 views
0 votes
1 answer

How can Hadoop process the records that are split across the block boundaries?

First of all, Map Reduce algorithm is not programmed ...READ MORE

Apr 15, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 4,684 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
 • 1,810 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 • 1,209 views
0 votes
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
 • 1,153 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 • 1,011 views
0 votes
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 • 2,773 views
0 votes
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 • 1,860 views
0 votes
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 • 1,505 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 • 1,241 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 • 1,513 views
0 votes
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 • 1,470 views
0 votes
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 • 1,253 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 • 1,842 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
 • 65,730 points • 3,400 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
 • 2,573 views
0 votes
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 • 3,224 views
0 votes
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
 • 2,566 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
 • 2,899 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
 • 2,026 views
0 votes
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 • 1,080 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
 • 2,542 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 • 1,495 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 • 1,460 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 • 1,708 views
0 votes
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 • 1,775 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
 • 2,245 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 • 1,590 views
0 votes
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 • 1,387 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
 • 3,189 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 • 1,459 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 • 1,964 views
0 votes
1 answer

How to uninstall all versions of hadoop completely from the system?

Do a: sudo dpkg -l | grep hadoop to ...READ MORE

Oct 29, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 11,708 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 • 7,309 views
0 votes
1 answer

ERROR: Stop Oozie first.

Hey, Actually the problem was that tomcat aborted abnormally and ...READ MORE

Jun 25, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,403 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
 • 3,131 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
 • 3,123 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 • 1,944 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 • 2,419 views
0 votes
1 answer

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
 • 65,730 points • 1,611 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 • 1,645 views
0 votes
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
 • 65,730 points • 1,292 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 • 3,019 views
0 votes
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
 • 65,730 points • 1,776 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 • 1,637 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 • 2,666 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 • 10,340 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 • 2,259 views
0 votes
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
 • 2,688 views
0 votes
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 • 2,386 views
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