Tags » ElasticSearch

Elasticsearch Analyzers

There are many analyzers in #Elasticsearch that you can use for your indices which each have their own use cases. For our purposes, we use an ngram analyzer on the item name search terms and department names.   163 more words


Elasticsearch Service Wrapper

We know a few of you technical people have forayed in to the mystical land that is #elasticsearch. As we have been using it for some time, we thought we would share a few tricks we have found along the way. 173 more words


Text Analysis using Elastic Search/Lucene


3.2.1 What is Text Analysis?

Analysis is the secret sauce in elasticsearch’s ability to deal with natural language and other complex data. Elasticsearch has a large toolbox with which we can slice and dice words in order to efficiently searched.  3,652 more words

Big Data

ElasticSearch with lucene Basics


In brief, ElasticSearch is open source, distributed, Schema Less and RESTful search engine based on Lucene. Some of the typical functionality of ES are, 683 more words

Big Data

Elastic-Search Aggregation Module


The new aggregations module is due to elasticsearch 1.0 release, and aims to serve as the next generation replacement for the functionality we currently refer to as “faceting”. 4,696 more words

Big Data

ElasticSearch Custom Scoring - Decay Function

From the elasticsearch function score tutorial, I copied the example for decay function and tried to execute it

curl 'localhost:9200/designs/_search/' -d '
 "query": {
 "function_score": {
 "functions": [
 "create_date": {
 "scale": "10d",
 "offset": "5d",
 "decay" : 0.5
 "query": {
 "match": {
 "PRODUCT_DESC": "cool"
 "score_mode": "multiply"
}' 473 more words

Web API Tracing with SLAB and Elasticsearch

The article demonstrates how to use Web API Tracing, and trace the data using SLAB, in-process or out-of-process to a flat file or an… 1,430 more words