Trending questions in Big Data Hadoop

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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
 • 65,730 points • 2,049 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
 • 1,007 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
 • 1,607 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 • 1,693 views
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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
 • 1,727 views
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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
 • 65,730 points • 2,843 views
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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
 • 65,730 points • 1,414 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
 • 985 views
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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
 • 65,730 points • 1,098 views
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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
 • 65,730 points • 1,389 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
 • 1,040 views
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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 • 3,175 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
 • 958 views
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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
 • 2,951 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
 • 986 views
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1 answer

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
 • 65,730 points • 1,373 views
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1 answer

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
 • 65,730 points • 1,367 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
 • 1,627 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
 • 932 views
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1 answer

Hadoop Hive: How to split a single row into multiple rows?

Try this SELECT ID1, Sub FROM tableName lateral view ...READ MORE

Nov 14, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 10,343 views
0 votes
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
 • 1,614 views
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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
 • 2,071 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
 • 1,763 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
 • 65,730 points • 2,233 views
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1 answer

How to install HBase on Linux?

To install Hbase, you first need the ...READ MORE

Feb 27, 2019 in Big Data Hadoop by Tanisha
 • 5,776 views
0 votes
1 answer

Opening a HDFS file in browser

In HDFS 8020 is IPC port, you ...READ MORE

Oct 29, 2018 in Big Data Hadoop by Frankie
 • 9,830 points • 10,984 views
0 votes
1 answer

Hive:Unable to insert values to an array column using "insert".

make a dummy table which has at least one row. INSERT ...READ MORE

Dec 1, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 9,583 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
 • 894 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
 • 65,730 points • 1,271 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 • 1,457 views
0 votes
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
 • 1,785 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
 • 1,505 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
 • 65,730 points • 840 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
 • 65,730 points • 931 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
 • 65,730 points • 2,045 views
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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
 • 69,180 points • 10,293 views
+1 vote
1 answer

Explain to me the difference between Name node and Secondary name node

First of all, let understand what is ...READ MORE

May 15, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,324 views
0 votes
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
 • 65,730 points • 1,039 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
 • 1,510 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
 • 1,372 views
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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
 • 1,916 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
 • 65,730 points • 1,173 views
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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
 • 1,428 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 • 1,646 views
0 votes
1 answer

How we can configure multiple size for the buckets in HBase?

Hey, To, configurable multiple bucket sizes, configure the ...READ MORE

May 31, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,566 views
0 votes
1 answer

How to install Zookeeper in Ubuntu?

There are two ways to install Zookeeper: You ...READ MORE

Feb 20, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 5,880 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
 • 856 views
0 votes
1 answer

Query regarding Temporary table's metadata in HIVE

Registered tables are not cached in memory. ...READ MORE

May 22, 2019 in Big Data Hadoop by Tina
 • 1,924 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, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,889 views
0 votes
1 answer

Explain to me the relationship between Hadoop and Databases.

Okay, that's a lot of queries together, ...READ MORE

May 15, 2019 in Big Data Hadoop by ravikiran
 • 4,620 points • 2,220 views
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