What happens when a user submits a Hadoop job when the NameNode is down? Does the job get in to hold or does it fail?

Asked by Last Modified  

Follow 2
Answer

Please enter your answer

Learn Well, Do Well

The job will fail.
Comments

Related Questions

I want to take online classes on database/ ETL testing.

 

Also i look forward to teach Mathematics/Science for class X-XII

Both are co-related to each other but compare to DBA Jobs, ETL job is more demanding hence you take class for informatica tools and others.
Varsha
0 0
7
What does the term "data locality" mean in Hadoop?
Data locality in Hadoop refers to the practice of processing data on the same node where it is stored, reducing network traffic and improving performance.
Sabna
0 0
5
A friend of mine asked me which would be better, a course on Java or a course on big data or Hadoop. All I could manage was a blank stare. Do you have any ideas?
A course is bigdata will be more better. But honestly as a freshers getting a job in big data is little difficult. So my suggestion will be do a course on both java and bigdata, apply for job and what...
Srikumar
0 0
5
Hello, I have completed B.com , MBA fin & M and 5 yr working experience in SAP PLM 1 - Engineering documentation management 2 - Documentation management Please suggest me which IT course suitable to my career growth and scope in market ? Thanks.
If you think you are strong in finance and costing, I would suggest you a SAP FICO course which is definitely always in demand. if you have an experience as a end user on SAP PLM / Documentation etc, even a course on SAP PLM DMS should be good.
Priya
1 0
9
Hi everyone, What is Hadoop /bigdata and what is required qualification and work experience background for Hadoop/bigdata?
Hadoop is the core platform for structuring Big Data, and solves the problem of formatting it for subsequent analytics purposes. Hadoop uses a distributed computing architecture consisting of multiple...
Priya

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

How to create UDF (User Defined Function) in Hive
1. User Defined Function (UDF) in Hive using Java. 2. Download hive-0.4.1.jar and add it to lib-> Buil Path -> Add jar to libraries 3. Q:Find the Cube of number passed: import org.apache.hadoop.hive.ql.exec.UDF; public...
S

Sachin Patil

0 0
0

Why is the Hadoop essential?
Capacity to store and process large measures of any information, rapidly. With information volumes and assortments always expanding, particularly from web-based life and the Internet of Things (IoT), that...

CheckPointing Process - Hadoop
CHECK POINTING Checkpointing process is one of the vital concept/activity under Hadoop. The Name node stores the metadata information in its hard disk. We all know that metadata is the heart core...

Lets look at Apache Spark's Competitors. Who are the top Competitors to Apache Spark today.
Apache Spark is the most popular open source product today to work with Big Data. More and more Big Data developers are using Spark to generate solutions for Big Data problems. It is the de-facto standard...
B

Biswanath Banerjee

1 0
0

Solving the issue of Namenode not starting during Single Node Hadoop installation
On firing jps command, if you see that name node is not running during single node hadoop installation , then here are the steps to get Name Node running Problem: namenode not getting started Solution:...
B

Biswanath Banerjee

1 0
0

Recommended Articles

We have already discussed why and how “Big Data” is all set to revolutionize our lives, professions and the way we communicate. Data is growing by leaps and bounds. The Walmart database handles over 2.6 petabytes of massive data from several million customer transactions every hour. Facebook database, similarly handles...

Read full article >

Hadoop is a framework which has been developed for organizing and analysing big chunks of data for a business. Suppose you have a file larger than your system’s storage capacity and you can’t store it. Hadoop helps in storing bigger files than what could be stored on one particular server. You can therefore store very,...

Read full article >

Big data is a phrase which is used to describe a very large amount of structured (or unstructured) data. This data is so “big” that it gets problematic to be handled using conventional database techniques and software.  A Big Data Scientist is a business employee who is responsible for handling and statistically evaluating...

Read full article >

In the domain of Information Technology, there is always a lot to learn and implement. However, some technologies have a relatively higher demand than the rest of the others. So here are some popular IT courses for the present and upcoming future: Cloud Computing Cloud Computing is a computing technique which is used...

Read full article >

Find Hadoop near you

Looking for Hadoop ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you