What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?

731

What is difference between fail-fast and fail-safe?

1254

What is ipc$ used for?

999

What is windiff tool?

980

How to find 3rd highest salary of an employee from the employee table in sql?

1086

What should be done to improve the economic growth of the nation?

1077

How to create fileupload field in apache-wicket?

5

Why do we need Hadoop Archives? How is it created?

571

Why is the reaction of ethane and chlorine not a free-radical addition reaction?

935

What is linux and why it is used?

951

Can we serialize arraylist in java?

1026

If blue light is combined with green light, what color of light is produced?

973

how to check avr of dg set of 125kva

2606

What are the method available in form submitting?

1005

Which is the method you need to use to post a notification to be shown in the status bar?

926