Most viewed questions in Big Data Hadoop

0 votes
1 answer

Where to check hive -warehouse path?

You can check this path in Hue ...READ MORE

May 23, 2019 in Big Data Hadoop by Reshma
 • 1,131 views
0 votes
2 answers

Which one among the both MapRed and MapReduce is considered better to create a Hadoop job?

The new API is cleaner and faster. ...READ MORE

Mar 11, 2019 in Big Data Hadoop by Omkar
 • 69,220 points • 1,130 views
0 votes
1 answer

In Hadoop MapReduce, how can i set an Object as the Value for Map output?

Try this and see if it works: public ...READ MORE

Nov 21, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 1,130 views
0 votes
1 answer

Determining HDFS space in a cluster?

There are two ways to determine available ...READ MORE

Aug 16, 2018 in Big Data Hadoop by nitinrawat895
 • 11,380 points • 1,130 views
0 votes
1 answer

What is Hadoop Distribution ?

Some companies release or sell products that ...READ MORE

Mar 27, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,130 views
0 votes
1 answer

How to see a running workflow, coordinate or bundle of job in Oozie?

Hey, You can use this example to see, $ ...READ MORE

Jun 18, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,129 views
0 votes
1 answer

How to find HDFS free space from command line?

Hi@akhtar, You can find the free space from ...READ MORE

Oct 5, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,126 views
0 votes
1 answer

How to create external Hive table?

It's simple. You just have to add external ...READ MORE

Dec 14, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 1,126 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 • 1,125 views
0 votes
1 answer

Hadoop regarding input split

Hadoop framework divides a large file into ...READ MORE

Dec 27, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 1,123 views
0 votes
1 answer

How does Hadoop process data which is split across multiple boundaries in an HDFS?

I found some comments: from the Hadoop ...READ MORE

Jul 1, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,120 views
0 votes
1 answer

Is it possible to integrate Kdb+ and hadoop?

kdb is a column oriented database plus ...READ MORE

Oct 10, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,120 views
0 votes
1 answer

Hortonworks vs Cloudera Architecture Difference

Features Cloudera MapR HortonWorks License Commercial Commercial Open-Source Community Yes Yes Yes SQL Impala Hive, Drill, Shark Stinger MapReduce Yes Yes Yes Unique Features Cloudera Manager Direct Access NFS 100% ...READ MORE

Jul 27, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,120 views
0 votes
1 answer

How to replace Hive table name?

Yes, it is possible to change the ...READ MORE

May 20, 2019 in Big Data Hadoop by Firoz
 • 1,119 views
0 votes
1 answer

Unable to instantiate hive metastore

To resolve this issue, follow the steps ...READ MORE

Jul 5, 2019 in Big Data Hadoop by Ritu
 • 1,117 views
–1 vote
1 answer

Changing map and reduce slots

Follow these steps to set the map ...READ MORE

Jan 5, 2019 in Big Data Hadoop by Omkar
 • 69,220 points • 1,117 views
0 votes
1 answer

How to run Nutch in Hadoop installed in pseudo-distributed mode

Make sure you have built Nutch from ...READ MORE

Jan 24, 2019 in Big Data Hadoop by Frankie
 • 9,830 points • 1,116 views
0 votes
1 answer

Getting some warning/error while loading java file using Hbase commands

In your code, you have set some ...READ MORE

Dec 14, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 1,115 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 • 1,114 views
0 votes
1 answer

JobTracker Task Scheduling

The task tracker send out heartbeat messages ...READ MORE

Jun 5, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,114 views
0 votes
1 answer

Kafka vs Flume

Even though both are used for real-time ...READ MORE

Sep 24, 2018 in Big Data Hadoop by Data_Nerd
 • 2,390 points • 1,112 views
0 votes
1 answer

Custom setting of MapReduce tasks in HIVE

When we set number of mappers to ...READ MORE

Jun 19, 2019 in Big Data Hadoop by Ferry
 • 1,111 views
0 votes
1 answer

Integration of hbase

For HBase Pig integration, you can refer ...READ MORE

Jul 9, 2019 in Big Data Hadoop by Kiran
 • 1,110 views
0 votes
1 answer

What are the site-specific configuration files in Hadoop?

There are different site specific configuration to ...READ MORE

Apr 10, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,110 views
0 votes
1 answer

How to include third party library in Python MapReduce?

Problem has been solved by zipimport. Then I zip chardet to ...READ MORE

Nov 27, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,110 views
0 votes
1 answer

Example or Use Case of Big Data

Let me answer your questions one by ...READ MORE

Aug 9, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,109 views
0 votes
1 answer

Can not list/access files of local system from hadoop

You can not directory use files from ...READ MORE

Dec 13, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 1,108 views
0 votes
1 answer

I was installing Hadoop for windows everything went smoothly but when I tried to format NameNode it displayed an error of failing to start NameNode. What should I do?

Hi@alex, You may set the wrong IP in ...READ MORE

Oct 12, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,107 views
0 votes
1 answer

How to check Hue configuration?

There are two ways to do this: Visit http://myserver:port and ...READ MORE

May 24, 2019 in Big Data Hadoop by John
 • 1,106 views
0 votes
1 answer

Which is the best online Big Data Hadoop course?

Hi@akhtar, As you are a beginner, you should ...READ MORE

May 15, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,105 views
0 votes
1 answer

Failed to upgrade the metastore in Hive?

Hey, If the problem you are having do the ...READ MORE

May 30, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,105 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 • 1,100 views
0 votes
1 answer

Hive Precedence Order

SET Command in HIVE The command line –hiveconf ...READ MORE

Jul 9, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,100 views
0 votes
1 answer

What are the security guidelines for Impala?

Security Guidelines for Impala: The following are the ...READ MORE

Aug 6, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,097 views
0 votes
1 answer

How to set job tracker host in Hue?

You have to set this in the hue ...READ MORE

May 30, 2019 in Big Data Hadoop by Raman
 • 1,096 views
0 votes
1 answer

MapReduce: Map Value Mismatch error

Seems like you have not specified few ...READ MORE

Feb 14, 2019 in Big Data Hadoop by Haman
 • 1,093 views
0 votes
1 answer

How is a file written in hdfs?

When you copy a file from the ...READ MORE

Dec 21, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 1,093 views
0 votes
1 answer

What is big data engineering

Data engineer roles have recently become more ...READ MORE

Feb 4, 2022 in Big Data Hadoop by surbhi
 • 3,820 points • 1,092 views
0 votes
1 answer

How to secure thrift server crash if receives invalid data?

Hey, The Thrift server may crash if it ...READ MORE

May 29, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,092 views
0 votes
1 answer

How to configure Hue for TLS/SSL communication?

Follow these steps from the root of your ...READ MORE

May 24, 2019 in Big Data Hadoop by Loki
 • 1,092 views
–1 vote
1 answer

Spark multiple version without major version

Yes. It is not necessary to set ...READ MORE

Dec 27, 2018 in Big Data Hadoop by Omkar
 • 69,220 points • 1,091 views
0 votes
1 answer

Is there a way to rebalance single Datanode in Hadoop.

Currently Hadoop does not automatically do this. ...READ MORE

Apr 15, 2018 in Big Data Hadoop by kurt_cobain
 • 9,350 points • 1,091 views
0 votes
1 answer

To locate the HBase data cell which three co-ordinate is used ?

Hey,  HBase uses the coordinates to locate a ...READ MORE

May 29, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,090 views
0 votes
1 answer

Is it possible to run Apache Spark without Apache Hadoop?

First of all, Let us get a ...READ MORE

Jun 17, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 1,089 views
0 votes
1 answer

How to set communicate between Hbase with Java Libraries ?

Hey, We can also communicate with HBase using ...READ MORE

May 23, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,088 views
0 votes
1 answer

How Hadoop replication works?

dfs.replication is by default 3 and you ...READ MORE

Apr 19, 2018 in Big Data Hadoop by Shubham
 • 13,490 points • 1,088 views
0 votes
1 answer

What is the best functional language to do Hadoop Map-Reduce?

down voteacceptedBoth Clojure and Haskell are definitely ...READ MORE

Sep 4, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 1,086 views
0 votes
1 answer

Moving historyserver to another instance using curl command

Hi@Shilpa, You have double quotes inside a single ...READ MORE

Nov 9, 2020 in Big Data Hadoop by MD
 • 95,460 points • 1,084 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 • 1,084 views
0 votes
1 answer

Which MySql command will generate all the list of command for MySql prompt?

The command is very simple, you have ...READ MORE

Apr 15, 2019 in Big Data Hadoop by Gitika
 • 65,770 points • 1,084 views
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