Trending questions in Big Data Hadoop

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How do I handle "Hadoop security GroupMappingServiceProvider exception" while I am running a Spark job via Dataproc API?

I understood your issue and as far ...READ MORE

Jun 7, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,326 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
 • 65,770 points • 1,614 views
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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
 • 755 views
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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
 • 1,483 views
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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
 • 65,770 points • 1,907 views
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Hive: Display logs on console

You can emit the logs on the ...READ MORE

May 21, 2019 in Big Data Hadoop by Jishnu
 • 2,027 views
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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 • 806 views
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Can someone explain me how write data into HDFS using Java?

I understand your issue, I would drop ...READ MORE

Jun 4, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,408 views
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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
 • 1,870 views
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1 answer

Sqoop and Teradata database connection URL

Refer below Syntax: jdbc:teradata://<HOST>/DBS_PORT=1025/DA ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Vishwa
 • 1,293 views
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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 • 1,113 views
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1 answer

How to submit bundle features in Oozie?

Hey, You can use this example to learn ...READ MORE

Jun 17, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 803 views
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1 answer

How to connect to HiveServer2 in HTTPS mode?

The connection URL to connect to HiveServer2 ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Rachit
 • 1,371 views
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1 answer

SQOOP Import command failure

Try this command where the student table ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Suri
 • 676 views
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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
 • 65,770 points
edited May 15, 2019 by Gitika • 2,221 views
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Use cases of Apache Oozie?

Hi, Apache Oozie is used by Hadoop system ...READ MORE

Jun 12, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,045 views
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1 answer

In Which cluster(Dev or Prod) we test the job?

Well, that depends on what a particular ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Raj
 • 673 views
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0 answers

Hive data load error

I have table in hive with below ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Rishi
 • 743 views
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1 answer

Why do we use STORE command in pig?

Hey, We use store command to store the ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 2,512 views
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Explain what is a sequence file in Hadoop?

Hello, To store binary key/value pairs, sequence file ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,086 views
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1 answer

How to configure the Hadoop cluster with proxyuser for the Oozie process?

Hey, The following two properties are required in ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,078 views
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1 answer

Query regarding Parquet File type conversion

Suppose I have the below parquet file ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Stuart
 • 646 views
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Explain what is WebDAV in Hadoop?

Hey, To support editing and updating files WebDAV ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,063 views
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1 answer

Regarding unstructured data handling

There are multiple ways to import unstructured ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Ranjitha
 • 665 views
0 votes
1 answer

Hive: external table without URI scheme

Yes, it is possible to create an ...READ MORE

May 31, 2019 in Big Data Hadoop by Daniel
 • 1,483 views
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1 answer

What is Memstore in Hbase?

Hey, In HBase the the store contains memory ...READ MORE

May 21, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,923 views
0 votes
2 answers

Explain to me the concept of HUE.

Definition: HUE is an open-source SQL Cloud Editor, ...READ MORE

May 16, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,802 views
0 votes
1 answer

Is StandBy NameNode a daemon?

StandBy NameNode is not a separate daemon. ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Raman
 • 604 views
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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
 • 65,770 points • 1,585 views
0 votes
1 answer

How to enable impersonation in Hue for Impala?

In the Hue configuration file, search for ...READ MORE

May 24, 2019 in Big Data Hadoop by Jimmy
 • 1,716 views
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1 answer

Differentiate between FileSink and FileRollSink

Hey, The major difference between HDFS FileSink and ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 582 views
0 votes
1 answer

Enabling LDAP authentication for HiveServer2 using OpenLdAP

To enable LDAP authentication using OpenLDAP, include ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Tina
 • 1,274 views
0 votes
1 answer

Hive Server 2 configuration for Kerberos Secured Cluster

Hi @Rasheed. You are right, to enable ...READ MORE

Jun 3, 2019 in Big Data Hadoop by Esha
 • 1,258 views
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1 answer

How to set Resource Manager in Hue?

To set the Resource Manager host, open ...READ MORE

May 29, 2019 in Big Data Hadoop by Esha
 • 1,459 views
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1 answer

Mention what is the Hadoop MapReduce APIs contract for a key and value class?

Hey, For a key and value class, there ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 938 views
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1 answer

Mention Job Flow parameter in Oozie?

Hey, You can use this job flow parameter ...READ MORE

Jun 17, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 635 views
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1 answer

Using Microsoft SQL Server for Sqoop

To use Microsoft SQL Server for Sqoop, ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Ramay
 • 1,093 views
0 votes
1 answer

Configure Oozie to use PostgreSQL

To configure Oozie to use PostgreSQL, add ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Rajan
 • 1,165 views
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1 answer

Access Hive Server with JDBC clients

To access Hive Server using JDBC client, ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Raghu
 • 1,164 views
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1 answer

Should the region server be located on all DataNodes?

Hey, Absolute Yes, because Region server runs on ...READ MORE

May 22, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,725 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
 • 69,220 points • 9,313 views
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1 answer

Command use to kill the job in MapReduce.

Hi, The command you can use to kill ...READ MORE

Jun 14, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 723 views
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1 answer

Can some one help me resolve this warning? It says "Unable to load Native-Hadoop library to your platform"

I understood the issue. I have faced ...READ MORE

Jun 6, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,062 views
0 votes
1 answer

Is there any hdfs dfs command to restrict number of files to be created in a directory ?

Not sure about the command but you ...READ MORE

May 6, 2019 in Big Data Hadoop by Shri
 • 2,439 views
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1 answer

Mention how many InputSplits is made by a Hadoop Framework?

Hey, Hadoop will make 5 splits 1 split for ...READ MORE

Jun 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 865 views
0 votes
1 answer

Remove attribute from a column in HBase

To remove the attribute from a column, ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Firoz
 • 1,112 views
0 votes
1 answer

Not able to create database in HIVE

The namenode is in safemode which is ...READ MORE

May 24, 2019 in Big Data Hadoop by Sunny
 • 1,589 views
0 votes
1 answer

How do I run Hadoop with Docker for both DEV and PROD environments?

Your requirements show that you are using ...READ MORE

May 30, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,331 views
0 votes
0 answers

How to execute job In Oozie?

Can anyone suggest which command to use ...READ MORE

Jun 17, 2019 in Big Data Hadoop by rena
 • 584 views
0 votes
1 answer

Hadoop Hive: How to insert data in Hive table?

First, copy data into HDFS. Then create ...READ MORE

Nov 12, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 9,905 views
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