Trending questions in Big Data Hadoop

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How to embed HDFS cluster information on a website?

Hi @Bhavish.  It is possible to get cluster ...READ MORE

May 27 in Big Data Hadoop by Omkar
• 67,660 points
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1 answer

What is DAG in Hive?

Hey, DAG in Hive architecture is nothing but ...READ MORE

May 10 in Big Data Hadoop by Gitika
• 25,340 points
727 views
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Setting Impala host and port in Hue

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

May 24 in Big Data Hadoop by Kunal
115 views
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1 answer

Replace Column names and datatype in Hive

You can replace the column name and ...READ MORE

May 21 in Big Data Hadoop by John
245 views
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1 answer

Hive: LOCATION and WITH DBPROPERTIES command in create table command

By default, the Hive database will be ...READ MORE

May 22 in Big Data Hadoop by Firoz
178 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 in Big Data Hadoop by Esha
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How to enable impersonation in Hue for Impala?

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

May 24 in Big Data Hadoop by Jimmy
80 views
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1 answer

Map-reduce code for finding average salary

You can choose your mapper output key ...READ MORE

May 22 in Big Data Hadoop by Yogi
160 views
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1 answer

Getting error message on execution of sqoop command to list database

Please use the sqoop list database syntax ...READ MORE

May 23 in Big Data Hadoop by Rashmi
114 views
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1 answer

ERROR 2997: Encountered IOException. Directory does not exist.

Hi. I think the reason for this ...READ MORE

May 23 in Big Data Hadoop by Britney
109 views
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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 in Big Data Hadoop by ravikiran
• 4,560 points
61 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 24 in Big Data Hadoop by Gitika
• 25,340 points
56 views
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1 answer

How to enable WebHDFS in the Datanodes?

In the datanodes, open the hdfs-site.xml file and add ...READ MORE

May 24 in Big Data Hadoop by Garima
61 views
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1 answer

what is the difference between drop and drop_all command in Hbase?

Hey, drop:- This command is used to drop ...READ MORE

May 24 in Big Data Hadoop by Gitika
• 25,340 points
54 views
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1 answer

How do you start and stop region server in HBase?

Hey, You can run multiple region servers from ...READ MORE

May 23 in Big Data Hadoop by Gitika
• 25,340 points
101 views
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How to access HBase shell and navigate and navigate to the HBase home folder?

Hey, To access the HBase shell, you have ...READ MORE

May 23 in Big Data Hadoop by Gitika
• 25,340 points
98 views
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What is the difference between the disable and disable-all keyword in HBase?

Hey, disable:- This command will start disabling the ...READ MORE

May 24 in Big Data Hadoop by Gitika
• 25,340 points
42 views
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1 answer

Issue with GPG Key retrieval which failed Hadoop Bigtop installation process.

 I understood your problem, I hope you can ...READ MORE

May 24 in Big Data Hadoop by ravikiran
• 4,560 points
33 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 in Big Data Hadoop by Loki
32 views
0 votes
1 answer

Explain the CLI in Zookeeper?

Hey, ZooKeeper Command Line Interface (CLI) is used ...READ MORE

May 24 in Big Data Hadoop by Gitika
• 25,340 points
31 views
0 votes
1 answer

Not able to create database in HIVE

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

May 24 in Big Data Hadoop by Sunny
34 views
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1 answer

How to check Hue configuration?

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

May 24 in Big Data Hadoop by John
31 views
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1 answer

How to set Secret Key for Hue?

You have to set the secret key ...READ MORE

May 24 in Big Data Hadoop by Yogi
30 views
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1 answer

Why Count keyword is used in HBase?

Hey, An aggregate function that returns the number ...READ MORE

May 24 in Big Data Hadoop by Gitika
• 25,340 points
34 views
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1 answer

How to specify Hue Server Http address?

Search for the Hue configuration file on ...READ MORE

May 24 in Big Data Hadoop by Rahul
27 views
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1 answer

Spark: Problem creating RDD

Please use the command as shown below ...READ MORE

May 24 in Big Data Hadoop by Raj
29 views
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1 answer

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

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

May 24 in Big Data Hadoop by Jishan
27 views
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1 answer

How to confirm if Hue plugins are properly set?

You can confirm it like this: $ tail ...READ MORE

May 24 in Big Data Hadoop by Shirish
21 views
0 votes
1 answer

Disable dynamic partition in hive

Dynamic partition is set to true by ...READ MORE

May 21 in Big Data Hadoop by Vishwa
152 views
0 votes
1 answer

How to Change the maximum number of cells of a column family?

Hey, Given below is the syntax to change ...READ MORE

May 24 in Big Data Hadoop by Gitika
• 25,340 points
25 views
0 votes
1 answer

How to increase reducers in Hive?

By default, only one reducer is assigned ...READ MORE

May 20 in Big Data Hadoop by Lohit
179 views
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1 answer

Problem while running MapReduce code.

You will have to create a Mapper ...READ MORE

May 23 in Big Data Hadoop by Rishi
54 views
0 votes
1 answer

Sqoop error while trying to connect to MySql

Please use the below command to solve ...READ MORE

May 22 in Big Data Hadoop by Bhagavath
94 views
0 votes
1 answer

Hive: what location should I mention while creating table?

It can be a hdfs path. The ...READ MORE

May 23 in Big Data Hadoop by Jishan
48 views
0 votes
1 answer

How to kill a Backup Master in HBase?

Hey, To kill a backup master, you need ...READ MORE

May 23 in Big Data Hadoop by Gitika
• 25,340 points
49 views
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2 answers

How to pass a password to Sqoop import command?

You can directly pass the password in ...READ MORE

May 15 in Big Data Hadoop by Raj
350 views
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1 answer

Issues using sqoop command while listing database

Please use the following command. sqoop list-databases --connect ...READ MORE

May 23 in Big Data Hadoop by Raj
32 views
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1 answer

Query regarding sqoop job

There no way to take any precautions ...READ MORE

May 23 in Big Data Hadoop by Imran
26 views
0 votes
1 answer

Hadoop HDFS .jar registration Issue

Please use the register command inside the ...READ MORE

May 23 in Big Data Hadoop by Yogi
29 views
0 votes
1 answer

Where to check hive -warehouse path?

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

May 23 in Big Data Hadoop by Reshma
29 views
0 votes
1 answer

Pig: ParseException: File not found

By convention, the pig script that you ...READ MORE

May 23 in Big Data Hadoop by Tina
24 views
0 votes
1 answer

How will you backup an HBase cluster?

Hey, In 2 ways we can perform HBase ...READ MORE

May 22 in Big Data Hadoop by Gitika
• 25,340 points
74 views
0 votes
1 answer

Use of Describe keyword in HBase?

Hey, The describe command returns the description of ...READ MORE

May 23 in Big Data Hadoop by Gitika
• 25,340 points
28 views
0 votes
1 answer

How to start and stop Master in HBase?

Hello, Using the “local-master-backup.sh” you can start up ...READ MORE

May 23 in Big Data Hadoop by Gitika
• 25,340 points
31 views
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1 answer

What is the use of ZooKeeper in Hbase?

Hey, The zookeeper is used to maintain the ...READ MORE

May 21 in Big Data Hadoop by Gitika
• 25,340 points
117 views
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Command to listing all the tables In HBase?

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

May 23 in Big Data Hadoop by Gitika
• 25,340 points
26 views
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1 answer

How to create a Table using HBase shell ?

Hey, You can create a table using the create command, ...READ MORE

May 23 in Big Data Hadoop by Gitika
• 25,340 points
26 views
0 votes
1 answer

Why Alter keyword has been used in HBase?

Hey, Alter is the command used to make ...READ MORE

May 23 in Big Data Hadoop by Gitika
• 25,340 points
23 views
0 votes
1 answer

Which code do we use to open the connection in HBase?

Hey, To open a connection, following code: Configuartion myconf ...READ MORE

May 22 in Big Data Hadoop by Gitika
• 25,340 points
50 views