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![GET /_search { 2, false, "took" : "timed_out" : "_shards" : { "total" : 10, "successful" : 10, "failed" : 0 14, : 1.0, [ { ... }] }, "hits" : { "total" : "max_score" "hits" : } }](https://image.slidesharecdn.com/elasticsearchmeetup-ashish-160220180255/75/Introducing-ElasticSearch-Ashish-53-2048.jpg)
![GET /_search "de", "tweet", "4", : { ... }, 1.0, "hits" : [ { "_index" : "_type" : "_id" : "_source" "_score" : }, ... ]](https://image.slidesharecdn.com/elasticsearchmeetup-ashish-160220180255/75/Introducing-ElasticSearch-Ashish-54-2048.jpg)
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Introducing ElasticSearch - Ashish
The document provides an introduction to Elasticsearch, a distributed real-time search and analytics engine known for its scalability and high availability. It explains the RESTful API, CRUD operations for managing data, as well as various search functionalities and data mappings within Elasticsearch. Additional details include the use of analyzers for text processing and how to optimize search queries.
Introducing ElasticSearch - Ashish
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- 3. Elasticsearch real time, search and analyticsengine distributed
- 4. real time, search and analyticsengine distributed scales massively Elasticsearch
- 5. Elasticsearch real time, search and analyticsengine distributed scales massively high availability
- 6. Elasticsearch real time, search and analyticsengine distributed scales massively high availability RESTful API
- 7. Elasticsearch real time, search and analyticsengine distributed scales massively high availability RESTful API JSON over HTTP
- 8. Elasticsearch real time, search anddistributed scales massively high availability RESTful API JSON over HTTP schema analytics enginefree
- 9. Elasticsearch real time, search and analyticsengine distributed scales massively RESTful API JSON over HTTP high availability schema free multi tenancy
- 10. Elasticsearch real time, search and analyticsengine distributed open-source scales massively RESTful API JSON over HTTP high availability schema free multi tenancy
- 11. Elasticsearch real time, search and analyticsengine Lucene based distributed open-source scales massively RESTful API JSON over HTTP high availability schema free multi tenancy
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- 14. > curl -XGETlocalhost:9200/?pretty
- 15. > curl -XGETlocalhost:9200/?pretty verb
- 16. > curl -XGETlocalhost:9200/?pretty node
- 17. > curl -XGETlocalhost:9200/?pretty HTTP port
- 18. > curl -XGETlocalhost:9200/?pretty path
- 19. > curl -XGETlocalhost:9200/?pretty query string
- 20. > curl -XGETlocalhost:9200/?pretty
- 21.
- 22. GET / { Man", for Search", :"Exploding : "You Know, : true, : 200, : { "name" "tagline" "ok" "status" "version" "number" "snapshot_build" : "0.90.1", : false } }
- 23. Where do westart?
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- 25. { is AWESOME","tweet": "nick": "name": "date": "rt" : "loc": "lat": "lon": "Ithink #elasticsearch "@ashish", "Ashish K", "2016-01-01", 5, { 13.4, 52.5 }
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- 34. PUT /myapp/tweet/1 -d' { is AWESOME","I think #elasticsearch "@ashish", "Ashish Kumar", "2013-06-03", 5, { 77, 13.5 "tweet": "nick": "name": "date": "rt": "loc": "lat": "lon": } } '
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- 40. PUT /myapp/tweet/1 -d' { is AWESOME","I know #elasticsearch "@ashish", "Ashish Kumar", "2016-01-01", 5, { 77, 13.5 "tweet": "nick": "name": "date": "rt": "loc": "lat": "lon": } } '
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- 44. { "_index": "myapp", "_type": "tweet", "_id":"1", "_version": 3, "ok": true, "found": true } # 200 OK
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- 51. GET /_search { "took" : "timed_out": 2, false, }
- 52. GET /_search { 2, false, "took" : "timed_out": "_shards" : { "total" : 10, "successful" : 10, "failed" : 0 }, }
- 53. GET /_search { 2, false, "took" : "timed_out": "_shards" : { "total" : 10, "successful" : 10, "failed" : 0 14, : 1.0, [ { ... }] }, "hits" : { "total" : "max_score" "hits" : } }
- 54. GET /_search "de", "tweet", "4", : {... }, 1.0, "hits" : [ { "_index" : "_type" : "_id" : "_source" "_score" : }, ... ]
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- 57.
- 58. GET /index/_search GET /index1,index2/_search GET/ind*/_search
- 59. GET /index/_search GET /index1,index2/_search GET/ind*/_search GET /index/type/_search
- 60. GET /index/_search GET /index1,index2/_search GET/ind*/_search GET /index/type/_search GET /index/type1,type2/_search
- 61. GET /index/_search GET /index1,index2/_search GET/ind*/_search GET /index/type/_search GET /index/type1,type2/_search GET /index/type*/_search
- 62. GET /index/_search GET /index1,index2/_search GET/ind*/_search GET /index/type/_search GET /index/type1,type2/_search GET /index/type*/_search GET /_all/type*/_search
- 63.
- 64. Pagination size = numof results
- 65. Pagination size = numof results from = results to skip
- 66. GET /_search?size=5&from=0 GET /_search?size=5&from=5 GET/_search?size=5&from=10
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- 70. +tweet:foo +name:john +date:>2013-05-01 →percent encoding →
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- 73. → user named"Mary" → tweets by "Mary" → tweet mentioning "@mary" GET /_search?q=mary
- 74. GET /_search?q=_all:mary → usernamed "Mary" → tweets by "Mary" → tweet mentioning "@mary"
- 75. _all field string valuesfrom all other fields
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- 78. GET /_search?q=2016 GET /_search?q=2016-01-03 GET/_search?q=date:2016-01-03 GET /_search?q=date:2016
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- 82. GET /myapp/tweet/_mapping { "tweet" :{ "properties" : { "tweet" : { "type" : "string" }, "name" : { "type" : "string" }, "nick" : { "type" : "string" }, "date" : { "type" : "date" }, "rt" : { "type" : "long" }, : "double" }, : "double" } "loc" : { "type": "object", "properties" : { "lat" : { "type" "lon" : { "type" } } }}}
- 83. date = type:date _all= type:string
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- 88. standard analyzer "The QuickBrown Fox jumped over the Lazy Dog!"
- 89. standard analyzer → standardtokenizer "The Quick Brown Fox jumped over the Lazy Dog!"
- 90. standard analyzer → standardtokenizer The,Quick,Brown,Fox,jumped, over,the,Lazy,Dog
- 91. standard analyzer → standardtokenizer → lowercase filter The,Quick,Brown,Fox,jumped, over,the,Lazy,Dog
- 92. standard analyzer → standardtokenizer → lowercase filter the,quick,brown,fox,jumped, over,the,lazy,dog
- 93. standard analyzer → standardtokenizer → lowercase filter → stopwords filter the,quick,brown,fox,jumped, over,the,lazy,dog
- 94. standard analyzer → standardtokenizer → lowercase filter → stopwords filter ,quick,brown,fox,jumped, over, ,lazy,dog
- 95. english analyzer → standardtokenizer → lowercase filter the,quick,brown,fox,jumped, over,the,lazy,dog
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- 97. { "type" : "string" "type": "string" }, }, "string", "not_analyzed" { "type" { "type" { "type" : "date" }, : "long" }, : "geo_point" } "tweet" : { "properties" : { "tweet" : { "name" : { "nick" : { "type" : "index" : }, "date" : "rt" : "loc" : }}}
- 98. { "tweet" : { "properties": { "tweet" : { "type" : "string", "analyzer" : "english" }, }, "name" : "nick" : "type" "index" { "type" : "string" { : : "string", "not_analyzed" }, "date" : "rt" : { { "type" : "type" : "date" "long" }, }, }}} "loc" : { "type" : "geo_point" }
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