Can you explain apache kafka?

564

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Which are the elements of kafka?

638

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What is the inputsplit in map reduce software?

678

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Map reduce jobs take too long. What can be done to improve the performance of the cluster?

755

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Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?

647

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Is apache spark going to replace hadoop?

376

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What are the advantage of spark?

302

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What is the disadvantage of spark sql?

381

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When to use spark sql?

323

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What are the great features of spark sql?

308

---

Can you explain apache spark?

337

---

What is apache presto?

3

---

Describe REVERSE function in Hive with example?

762

---

How to Alter Hive Database?

783

---

When application is on high latency (high response time)?

830

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