Trending questions in Big Data Hadoop

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What is the PostgreSQL connection string for Sqoop?

The format of the connection string is: jdbc:postgresql://<HOST>:<PORT>/<DATABASE_NAME> You ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Kamal
 • 1,991 views
0 votes
1 answer

How to add mysql database for Hue Query app?

Hi. To add mysql database in the config, open ...READ MORE

May 27, 2019 in Big Data Hadoop by Vasu
 • 2,418 views
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1 answer

How to load data from HDFS into pig relation?

Hey, To load data from HDFS to pig ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 3,273 views
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1 answer

Setting Impala host and port in Hue

To set the Impala server details, you ...READ MORE

May 24, 2019 in Big Data Hadoop by Kunal
 • 2,519 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
 • 65,770 points • 1,085 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 • 878 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 • 995 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
 • 65,770 points • 2,288 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 • 739 views
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2 answers

How are Partitioning and Bucketing different from each other in Apache Hive?

Let us consider a student database table ...READ MORE

Apr 15, 2019 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 4,152 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
 • 2,194 views
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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
 • 65,770 points • 1,145 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
 • 65,770 points • 1,389 views
0 votes
1 answer

How to ensure that Oozie has started? Which Command line tool use to check the status of Oozie?

Hey, To get ensure that your Oozie has ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,726 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
 • 65,770 points • 2,280 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 • 784 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
 • 1,288 views
0 votes
1 answer

How to create a Hive Database and store it in HDFS?

You will have to exclusively mention the ...READ MORE

May 20, 2019 in Big Data Hadoop by Jishnu
 • 2,616 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
 • 65,770 points • 1,004 views
0 votes
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
 • 65,770 points • 1,081 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 • 648 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
 • 65,770 points • 998 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
 • 65,770 points • 968 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
 • 65,770 points • 2,731 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
 • 2,075 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
 • 2,070 views
+1 vote
0 answers

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 • 370 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
 • 2,058 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 • 974 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 • 1,223 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
 • 65,770 points • 1,533 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
 • 2,385 views
0 votes
1 answer

Code was tested successfully in Dev and Test. When deployed to Productions it is failing. As an admin, how do you track the issue?

Hey, In this case, you can do one ...READ MORE

Jun 24, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,069 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
 • 65,770 points • 917 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
 • 2,715 views
0 votes
1 answer

Command to listing all the tables In HBase?

Hey, list is the command that is used ...READ MORE

May 23, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 2,368 views
0 votes
1 answer

Error: input path does not exist

Hey, This error looks like your job History ...READ MORE

Apr 30, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 3,342 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
 • 65,770 points • 973 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 • 1,257 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
 • 65,770 points • 1,475 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
 • 65,770 points • 1,187 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 • 2,223 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
 • 65,770 points • 879 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
 • 2,608 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 • 3,900 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
 • 65,770 points • 1,885 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 • 969 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
 • 65,770 points • 779 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 • 2,508 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
 • 65,770 points • 1,073 views
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