CouchDB is a NoSQL data store that stores data in the JSON format, similar to ElasticSearch. It can query with map/reduce tasks and it's RESTful, so every operation can be done via HTTP API calls.
Using ElasticSearch to search the CouchDB data is very handy as it extends CouchDB data store with Lucene search capabilities.
For using the CouchDB river, we need to perform the following steps:
Firstly, we need to install the CouchDB river plugin, which is available on GitHub and maintained by the ElasticSearch company. We can install the river plugin in the following way:
bin/plugin -install elasticsearch/elasticsearch-river-couchdb/1.2.0
After restarting the node, we are able to create a configuration (
config.json
) for our CouchDB...