What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?

612

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

1373

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Which kind of missile is used in arihant?

480

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What are spring jdbc templates used for?

162

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Can I reinstall wordpress?

159

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What is long in python?

440

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What is full outer join in sql server joins?

565

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Why do we use javascript?

453

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What is sql view?

542

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What are the 5 main differences between respiration and photosynthesis?

1535

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Kindly let me know how to setup JMeter for functionality testing of a Web application.. The apache help doc is good but i m little confused with it... :(

1742

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How do I change the font color automatically in excel?

283

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What is the scope of user defined process variables ?

667

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What is difference between using a macro and inline function?

467

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Name one of major transformer company in KSA ?

751

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