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Topic :: Data





Data Interview Questions
Questions Answers Views Company eMail

Why do we need a new framework for handling big data?

 643

What is the difference between big data and cloud computing?

 739

Why do we use HDFS for applications having large data sets and not when there are lot of small files?

 1 2807

shouldn't DFS be able to handle large volumes of data already?

 1082

what is a datanode?

 943

How does NameNode tackle DataNode failures?

 1183

Where is the Mapper Output intermediate kay-value data stored ?

 1365

On what basis name node distribute blocks across the data nodes?

 1076

How we can change Replication factor when Data is on the fly?

 1354

What alternate way does HDFS provides to recover data in case a Namenode

 969

explain Metadata in Namenode?

 943

What is Derby database?

 921

What is the purpose of DataNode block scanner?

 985

What is the communication channel between client and namenode/datanode?

 1748

What is the problem with HDFS and streaming data like logs

 1036



Related Topics


Un-Answered Questions { Data }

Can we install Oracle database in VT100 Server?

2408

Is there anyway to automatically update the Datasource name in Database Checkpoints object when we migrate tests to a new release?

3914

How to connect to a remote database using Applet?

2564

How database connectivity in XML is achieved?

2258

How data can be inserted into long row column of database?

2164

How to know howmuch data is truncated?

2385

What are the parameters available in user exit for enhancing master data?

1979

What are the data target administration tasks?

2332

Where the data is extracted during init of delta and during delta updates?

2024

How do you transform OH data?

1940

How will you do data driven testing using Robot?

2574

Where the datapool values are stored?

2468

What is datapool cursor?

2332

What is standard data type and what is user defined data type?

2373

What information is contained in the Datapool_config section?

2208