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The relationship between Hive and Hadoop MapReduce?

Is there any internal Hive process that connects to shorten or map tasks?

Adding to this!

  • How does Hive work with respect to MapReduce?
  • How is the task planned?
  • How does the query result return to the hive driver?
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For HIVE, there is no way to pass Map / Reduce tasks directly . It associates (thread 6.3) with Jobtracker(Application Wizard in YARN) only for tasks related to processing after scheduling it.


This image will give a clear idea of

  • How does HIVE use MapReduce as an execution engine?
  • How is the task planned?
  • ?

Hive design

:, dennis-jaheruddin

, , HQL ( ) Hive.

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Source: https://habr.com/ru/post/1665219/

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