Can you explain apache kafka?

520

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Which are the elements of kafka?

614

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What is the inputsplit in map reduce software?

630

---

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

706

---

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

611

---

Is apache spark going to replace hadoop?

362

---

What are the advantage of spark?

292

---

What is the disadvantage of spark sql?

371

---

When to use spark sql?

311

---

What are the great features of spark sql?

292

---

Can you explain apache spark?

322

---

What is apache presto?

3

---

Describe REVERSE function in Hive with example?

722

---

How to Alter Hive Database?

755

---

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

799

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