Elasticsearch

Working with Nested Aggregation of Elasticsearch

January 19, 2016September 11, 2018Elasticsearch, Java, Studio-Scalaaggregation, elasticsearch, nested, scala

Reading Time: 2 minutes First of all we need to understand aggregation in ElasticSearch.In Elasticsearch an aggregation can be seen as a unit of work that builds analytic information over a set of documents.It is a powerful tool for build complex summaries of the data. There are many different types of aggregations, each with its own purpose and output. To better understand these types, it is often easier to break Continue Reading

Transfering Data from Couchbase to the ElasticSearch (Transport-Couchbase Plugin)

January 16, 2016Architecture, couchbase, Elasticsearch, Studio-DevOps, Studio-ScalaAsynchronous, databinder, dispatcher, HttpRequest

Reading Time: 3 minutes If we want to transfer the data persisted in your Couchbase to ElasticSearch and use the power of inverted indexing of Elastic Search along with Couchbase. Then we can do this in easy steps. Couchbase provides us a plugin for the Elastic search that makes your ElasticSearch node appear like a Couchbase Server node. After installation you can use the Cross-Datacenter Replication (XDCR) feature of Continue Reading