Is it possible to put elasticsearch indexed data in hdfs?
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Not defined exactly what you are looking for. If you want to backup / restore data to HDFS using Elasticsearch, the answer is the answer to the Snapshot / restore Hadoop HDFS plugin for Elasticsearch:
https://github.com/elasticsearch/elasticsearch-hadoop/tree/master/repository-hdfs
It allows you to back up and restore data from ES to HDFS.
If, on the other hand, you want to run MapReduce jobs in Hadoop that access Elasticsearch data, Elasticsearch for Apache Hadoop answers:
http://www.elasticsearch.org/guide/en/elasticsearch/hadoop/current/index.html
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