elasticsearchHow can I implement a full text search using Elasticsearch?
Full text search using Elasticsearch can be implemented using the following steps:
- Install Elasticsearch on the machine:
# Install Elasticsearch
$ sudo apt-get install elasticsearch
- Configure the Elasticsearch instance:
# Configure the Elasticsearch instance
$ vi /etc/elasticsearch/elasticsearch.yml
- Start the Elasticsearch instance:
# Start the Elasticsearch instance
$ service elasticsearch start
- Create an index:
# Create an index
$ curl -XPUT localhost:9200/myindex
- Index some documents:
# Index some documents
$ curl -XPUT 'localhost:9200/myindex/doc/1?pretty' -H 'Content-Type: application/json' -d'
{
"title": "The quick brown fox",
"text": "The quick brown fox jumps over the lazy dog"
}'
- Query the index:
# Query the index
$ curl -XGET 'localhost:9200/myindex/_search?q=quick&pretty'
- Output:
# Output
{
"took" : 3,
"timed_out" : false,
"_shards" : {
"total" : 5,
"successful" : 5,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : {
"value" : 1,
"relation" : "eq"
},
"max_score" : 0.2876821,
"hits" : [
{
"_index" : "myindex",
"_type" : "doc",
"_id" : "1",
"_score" : 0.2876821,
"_source" : {
"title" : "The quick brown fox",
"text" : "The quick brown fox jumps over the lazy dog"
}
}
]
}
}
Helpful links
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