Most viewed questions in Big Data Hadoop

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Usage: java FsShell [-put <localsrc> ... <dst>]

Hi@akhtar, You are trying to upload your file ...READ MORE

Sep 25, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,100 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 • 1,100 views
0 votes
1 answer

How to execute scala programming?

We can execute a Scala program in ...READ MORE

Nov 16, 2020 in Big Data Hadoop by Gitika
 • 65,730 points • 1,099 views
0 votes
1 answer

Replication and Calculations

Since there are 3 nodes, when we ...READ MORE

Jun 11, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,099 views
0 votes
1 answer

Will hadoop replace data warehousing?

Mostly the answer is yes hadoop is ...READ MORE

Apr 4, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,099 views
+1 vote
1 answer

what is splunk?

Splunk is a software platform to search, ...READ MORE

Jan 24, 2020 in Big Data Hadoop by Vardhan
 • 1,097 views
0 votes
1 answer

OOZIE Connectivity: "Unable to Connect"

You have to run the start command ...READ MORE

May 22, 2019 in Big Data Hadoop by Quil
 • 1,097 views
0 votes
1 answer

Where does hive stores its table?

With an external table the data itself ...READ MORE

Dec 7, 2020 in Big Data Hadoop by Gitika
 • 65,730 points • 1,096 views
0 votes
1 answer

Can we use different i/p and o/p format classes in mapreduce code?

Yes, InputFormatClass and OutputFormatClass are independent of ...READ MORE

Jul 10, 2019 in Big Data Hadoop by Jimmy
 • 1,095 views
+2 votes
1 answer

How To Configure Tls Encryption For Cloudera Manager?

The Cloudera Connect Partner Program, more than ...READ MORE

Dec 19, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,095 views
–1 vote
1 answer

Jobtracker and tasktracker is nor running.

Hi. You'll need to run start-mapred.sh if you want the ...READ MORE

Jan 19, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 1,092 views
0 votes
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
 • 65,730 points • 1,091 views
0 votes
1 answer

Setting Pig examples on Hue

Hi. Any property of Pig can be ...READ MORE

May 27, 2019 in Big Data Hadoop by Esha
 • 1,091 views
0 votes
0 answers

How Pig programming gets converted into MapReduce jobs?

Could you please give me a brief ...READ MORE

Feb 21, 2019 in Big Data Hadoop by Neha
 • 6,300 points • 1,090 views
0 votes
1 answer

How to write examples to test whether the installation is validated or not?

You have some example jars in your ...READ MORE

Sep 5, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,090 views
+1 vote
2 answers

Error: com/eng/mr/WordCountDriver : Unsupported major.minor version 52.0

The reason why you get this error ...READ MORE

Aug 6, 2019 in Big Data Hadoop by Venkita
 • 240 points • 1,089 views
0 votes
1 answer

Method to schedule the number of Mappers and Reducers in a Hadoop MapReduce Tsk.

The number of Mapper tasks for a ...READ MORE

Apr 25, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,088 views
0 votes
1 answer

Amazon AWS Web Services

If you want to limit your hadoop ...READ MORE

Jul 8, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,082 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 • 1,081 views
0 votes
1 answer

Is there a good online tutorial for Hadoop development on a Windows 7 machine?

I would suggest you go through this ...READ MORE

Mar 29, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,079 views
0 votes
1 answer

Hadoop Namenode start issue

Try restarting the master: $ sudo reboot $ sudo ...READ MORE

May 22, 2019 in Big Data Hadoop by Rishi
 • 1,078 views
0 votes
1 answer

Hadoop on cassandra database

Regarding your question - there is a ...READ MORE

Mar 26, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,078 views
0 votes
1 answer

Unable to run import script using sqoop

You are writing incorrect command. Please write ...READ MORE

Mar 8, 2019 in Big Data Hadoop by Raj
 • 1,076 views
0 votes
1 answer

Hadoop MapReduce wordcount "type job is not applicable for the arguments" error

The combiner class is not required in ...READ MORE

Dec 19, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 1,076 views
0 votes
1 answer

Why Hadoop is tightly bound to linux?

As far as I can tell, using ...READ MORE

Apr 19, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,069 views
0 votes
1 answer

How to set pssword based authentication in cassandra?

Hi@akhtar, You can set password to your cassandra ...READ MORE

Apr 1, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,068 views
0 votes
2 answers

Error While Running Oozie Project

You need to add your current user ...READ MORE

Aug 6, 2019 in Big Data Hadoop by Dhimanshu
 • 1,068 views
0 votes
1 answer

How to set Hbase truncate limit in hue?

Open the Hue configuration file and search for the [hbase] section ...READ MORE

May 27, 2019 in Big Data Hadoop by Harry
 • 1,068 views
0 votes
1 answer

Using Hadoop for Data Analytics.

Yes, your approach is correct - you ...READ MORE

Sep 28, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,067 views
0 votes
1 answer

Can I use Amazon Web Services for free?

If you would like to use AWS ...READ MORE

Apr 25, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,066 views
0 votes
1 answer

What is relation keyword in pig?

Hey, A relation is a bag of tuples. ...READ MORE

May 6, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,064 views
0 votes
1 answer

Not able to install yarn on Ubuntu

Seems like your system does not have ...READ MORE

Feb 5, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 1,064 views
0 votes
1 answer

Urgently Want dataset

Hi, @Amit, Regarding your query on Datasets on (merchant ...READ MORE

Sep 21, 2020 in Big Data Hadoop by Gitika
 • 65,730 points • 1,063 views
0 votes
1 answer

How to Import the complete directory into HDFS?

First, need to create a directory in Hadoop: $ ...READ MORE

Jul 15, 2019 in Big Data Hadoop by Hiran
 • 1,063 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 • 1,063 views
0 votes
1 answer

What do you understand by Filters in Hbase?

 Hey, Basically,  by allowing users to add limiting ...READ MORE

May 22, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,063 views
0 votes
1 answer

How to set Hue Plugin for JobTracker on a different host?

When the JobTracker and the Hue Server ...READ MORE

May 24, 2019 in Big Data Hadoop by Jishan
 • 1,061 views
0 votes
1 answer

How to set authentication for Kerberos in Hue?

To set the authentication for Solr clients ...READ MORE

May 27, 2019 in Big Data Hadoop by Jimmy
 • 1,060 views
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
 • 1,059 views
0 votes
1 answer

Power of a number in Impala

Suppose you have fetched two values X ...READ MORE

Jun 6, 2019 in Big Data Hadoop by Reshma
 • 1,059 views
–1 vote
1 answer

How to restrict nodes that talk to namenode?

Step 1: Create includes file in /home/hadoop ...READ MORE

Jan 5, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 1,059 views
0 votes
1 answer

How to achieve maximum memory to disk I/O ratio?

You need to tune io.sort.mb value until ...READ MORE

Sep 18, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,058 views
0 votes
1 answer

which one to choose for log analysis?

It is not about that you can ...READ MORE

Apr 6, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,056 views
0 votes
1 answer

What are the prerequisites to learn Hadoop in java perspective?

In my day job, I've just spent ...READ MORE

Oct 11, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,055 views
0 votes
1 answer

How to use scala map as mutable map?

By default, Scala uses an immutable Map. ...READ MORE

Nov 17, 2020 in Big Data Hadoop by Gitika
 • 65,730 points • 1,054 views
0 votes
1 answer

can we add hadoop in docker or online server or cloud

Hi@Rajan, If you are asking, can we configure hadoop ...READ MORE

May 1, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,054 views
0 votes
1 answer

What are the relational operators available related to loading and storing in pig language?

Hey, For loading data and storing it into ...READ MORE

May 3, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,054 views
0 votes
1 answer

What is a pig script?

Hey, Pig script is nothing but a set ...READ MORE

May 7, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,053 views
0 votes
1 answer

Setting Job Tracker port in Hue

Open the hue configuration file and under the [[mapred_clusters]] property set ...READ MORE

May 31, 2019 in Big Data Hadoop by Raj
 • 1,052 views
0 votes
1 answer

Unable to create table in Hive

It is looking like your Hadoop daemons ...READ MORE

Aug 6, 2019 in Big Data Hadoop by Yogi
 • 1,050 views
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