Trending questions in Big Data Hadoop

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What is the syntax for HiveQL SELECT Statement?

Hey,  You can use this  syntax below: SELECT [ALL ...READ MORE

Jun 25, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,546 views
0 votes
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
 • 2,456 views
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10 answers

What is the difference between Mongodb and Hadoop?

MongoDB is a NoSQL database, whereas Hadoop is ...READ MORE

Jun 20, 2018 in Big Data Hadoop by jenny_code
 • 16,149 views
0 votes
1 answer

Configure Oozie to use MySQL

To configure Oozie to use MySQL, open ...READ MORE

Jun 4, 2019 in Big Data Hadoop by Karan
 • 2,398 views
0 votes
1 answer

Hive: Display logs on console

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

May 21, 2019 in Big Data Hadoop by Jishnu
 • 3,005 views
0 votes
1 answer

How Oozie prepares Hadoop configuration file?

Hi, Oozie prepares a Hadoop configuration file which ...READ MORE

Jun 12, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 2,054 views
0 votes
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
 • 65,730 points • 2,126 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
 • 1,736 views
+1 vote
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
 • 65,730 points • 3,545 views
0 votes
0 answers

flume installation steps on ubuntu [closed]

Jun 27, 2019 in Big Data Hadoop by shraddha
 • 120 points
closed Jun 27, 2019 by Omkar • 1,443 views
0 votes
1 answer

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 • 2,358 views
0 votes
1 answer

Hadoop: java.lang.IllegalArgumentException: Wrong FS: expected: file:///

Try this: Configuration configuration = new Configuration(); FileSystem fs ...READ MORE

Dec 12, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 9,859 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 • 3,868 views
0 votes
1 answer

Hadoop Hive: How to skip the first line of csv while loading in hive table?

You can try this: CREATE TABLE temp ...READ MORE

Nov 8, 2018 in Big Data Hadoop by Omkar
 • 69,180 points • 11,312 views
0 votes
1 answer

Is no of block equal no of i/p split, no of container, no of mapper ?

Split size is approximately equal to block ...READ MORE

Jun 20, 2019 in Big Data Hadoop by Ron
 • 1,625 views
0 votes
0 answers

How to Execute job in oozie?

Can anyone explain how to execute Job ...READ MORE

Jun 26, 2019 in Big Data Hadoop by ritam
 • 1,432 views
0 votes
0 answers

what are the commonly used Spark ecosystem?

Can someone mention what are the commonly ...READ MORE

Jul 2, 2019 in Big Data Hadoop by ranjan
 • 1,170 views
0 votes
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 • 2,939 views
0 votes
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
 • 65,730 points • 2,033 views
0 votes
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
 • 1,609 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
 • 2,291 views
0 votes
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
 • 2,291 views
+1 vote
3 answers

when i tried to run the hdfs namenode -format command...its failed to run..can anyone help me with this???

Hi Suriyaprakash, I guess the path for hadoop ...READ MORE

Jul 23, 2018 in Big Data Hadoop by avi_man_utd
 • 15,482 views
0 votes
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
 • 2,197 views
0 votes
1 answer

Regarding unstructured data handling

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

Jun 19, 2019 in Big Data Hadoop by Ranjitha
 • 1,620 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
 • 2,737 views
0 votes
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
 • 65,730 points • 1,690 views
0 votes
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 • 2,180 views
0 votes
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 • 1,981 views
0 votes
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
 • 1,555 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
 • 2,460 views
0 votes
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
 • 1,520 views
0 votes
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 • 1,948 views
0 votes
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 • 2,767 views
0 votes
1 answer

SQOOP Import command failure

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

Jun 20, 2019 in Big Data Hadoop by Suri
 • 1,511 views
+1 vote
1 answer

Need help installing Flume on Windows

Hi. Here's what you need.  Follow the below ...READ MORE

Feb 27, 2019 in Big Data Hadoop by Thakur
 • 6,384 views
0 votes
1 answer

Hive partitioning: Dynamic and static

Partitions are created depending on the end ...READ MORE

Feb 1, 2019 in Big Data Hadoop by Omkar
 • 69,180 points • 7,529 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
 • 69,180 points • 10,987 views
0 votes
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
 • 2,082 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 • 2,682 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
 • 2,319 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 • 1,716 views
0 votes
0 answers

Hive data load error

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

Jun 19, 2019 in Big Data Hadoop by Rishi
 • 1,534 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
 • 2,607 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
 • 2,683 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
 • 2,120 views
0 votes
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 • 1,858 views
+1 vote
2 answers

Sir if i have no knowledge of any programming language then it is good or bad for me but i have learned Big Data and Hadoop so i can get a job or not

Hey Rahul,  You have mentioned that you have no ...READ MORE

May 6, 2019 in Big Data Hadoop by poonam
 • 3,302 views
0 votes
1 answer

What start node does in Oozie?

Hey, The start node is the entry point for a ...READ MORE

Jun 11, 2019 in Big Data Hadoop by Gitika
 • 65,730 points • 1,792 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
 • 2,098 views
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