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Mapping parameters provide various options for how to store the data of the fields to be indexed. analyzer A parameter that stems the data in the field. For text type fields, the analyzer parameter should be used by default. If no separate analyzer is specified, morphological analysis is performed with the Standart Analyzer. normalizer This parameter is used to use the analyzer for the term quer..

mapping_name field_name field_type index_key movieCd keyword movie_name movieNm text produced_Year prdtYear integer release_date release_date integer

Bucket Aggregation Aggregation to aggregate buckets based on fields in the document Metric aggregation Aggregation to calculate SUm, Max, Min, avg from values ​​extracted from documents Matrix aggragation Aggregation that sums or multiplies the values ​​of a matrix. Pipline aggragation Pipeline aggregation reclassify the resulting document derived from the bucket into different field values. Tha..

POST movie/search?size= "aggs":[ "genre": { "terms":{ "field": "genreAlt" }, "aggs":{ "nation":{ "terms": { "field": "nationAlt" } } } } } } { "took": 154, "timed_out": false, "_shards": { "total": 10, "successful": 10, "skipped": 0, "failed": 0 }, "hits":{ "total":63069, "max_score": 0, "hits": [ ] }, "aggregations": { "genre": { "doc_count_error_upper_bound": 136, "sum_other_doc_count": 11220,..

PUT /movie { "settings":{ "number_of_shards":3, "number_of_replicas":2 }, "mappings": "_doc"{ "properties" { "movieCd:{"type":"integer"}, "movieNm":{"type":"text"}, "prdtYear"{"type":"integer"}, "typeNm":{"type":"keyword"}, } } }

master_node - Manage the cluster. - Overall management such as adding and removing nodes. If you want to set the node exclusively for the master node, open the elasticsearch.yml file in the server's conf folder and configure it as follows. node.master:true node.data:false node.ingest:false search.remote.connect:false data_node - Storing real data. - Nodes that perform data operations such as sea..