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What can I do with adoop and elasticsearch together?

I'm reading about hadoop with elasticsearch, so I'm confused about how this works.

I think in this case elasticsearch replaces HDFS / Hbase, so I could write hadoop jobs to receive and process data in elasticsearch.

Is it correct?

If so, does this work for both Hive and Pig?

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You can use elasticsearch in Hadoop, for example:

  • Input and output for MapReduce
  • Entrance (storage) for Hive and Pig
  • Writing and reading directly in ElasticSearch using cascading
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Source: https://habr.com/ru/post/1545287/

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