If no custom partitioner is defined in Hadoop then how is data partitioned before it is sent to the reducer?

437

You are a project manager for the information technology division of a local satellite TV broadcasting company. This spring, the chief information officer for your company gave you the project to convert and upgrade all the PCs in the department to the latest release of a specific desktop application. Prior to this conversion, all manner of desktop software existed on machines throughout the company and had caused increasing problems with sharing files and information across the company. A lot of unproductive hours were spent typing information into several formats. This project came about as a result of which of the following? A. Technological advance B. Business need C. Customer request D. Legal requirement

1026

What is the difference between chromatographic purity and related substances?

1325

My source is delimited flat file Flat file data is H|Date D1|ravi|bangalore D2|raju|pune T|4 The data will be send to target if the fallowing two conditions satisfied 1.The first row Date column is equal to SYSDATE 2.Last record second port equal to number of records. How to achieve?

6406

What is the standby server?

931

What is the name of the system variable that returns the number of rows affected by a SQL statement?

982

I Have A Plan to develop a Project in Struts,I want the template of struts project with Hibernate.Canany body provide me the required information?

2669

What is job family?

852

What do you mean by p-value?

304

in ring main system we use the isolater b/w transfer bus and main bus if we r not use isolatar than wat will be the effect in our sys.

2050

What is core data stack?

756

group discussions

2109

How the authentication mode can be changed?

1096

What are tables and fields?

998

how do you bind the cobol with db2

2761