[2D1]Elasticsearch 성능 최적화

1. / BigDataPlatform Team ElasticSearch

2. BigdataPlatform, GruterCorp [email protected] http://jjeong.tistory.com E-book: Elasticsearch-

3. 1.ElasticSearch 2.ElasticSearch 3.ElasticSearch CONTENTS

4. 1.ElasticSearch 1.1.ElasticSearch 1.2. 1.3.Modeling

5. ElasticSearch? Lucene 1.1.ElasticSearch ElasticSearch Easy Real time search & analytics Distributed & highly available search engine

6. ElasticSearch Physical Logical 1.1.ElasticSearch Cluster Index Node Node Node Indice Indice Indice Shard Shard Shard Shard Shard Shard Shard Shard Shard Type Type Type Document Document Document field:value field:value field:value field:value field:value field:value field:value field:value field:value [Physical ] [Logical ]

7. ElasticSearchNodes Master node Data node Search load balancer node Client node 1.1.ElasticSearch Master node.master: true Data node.data: true Search LB node.master: false node.data: false Client node.client: true

8. ElasticSearchNodes 1.1.ElasticSearch Case 1) All round player node.master: true node.data: true node.master: true node.data: true node.master: true node.data: true Case 2) Master Data node.master: true node.data: false node.master: true node.data: false node.master: false node.data: true node.master: false node.data: true Case 3) Master Data Search LB node.master: true node.data: false node.master: true node.data: false node.master: false node.data: true node.master: false node.data: true node.master: false node.data: false node.master: false node.data: false

9. ElasticSearchvs RDBMS 1.1.ElasticSearch Relational Database ElasticSearch Database Index Table Type Row Document Column Field Index Analyze Primary key _id Schema Mapping Physical partition Shard Logical partition Route Relational Parent/Child, Nested SQL Query DSL

10. ElasticSearchshard replication 1.1.ElasticSearch POST /my_index/_settings{ "number_of_replicas":1} POST /my_index/_settings{ "number_of_replicas":2} http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/replica-shards

11. Creating, indexing and deleting a document 1.1.ElasticSearch http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/distrib-write.html

12. Retrieve, query and fetch a document 1.1.ElasticSearch http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/distrib-read.html http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_query_phase.html http://www.elasticsearch.org/guide/en/elasticsearch/guide/current/_fetch_phase.html

13. 1.2. Create index Add document Get document Search document

14. Indice/type design Time-based/User-based data Relational data 1TB 1.3.Modeling Field design Primary key

15. Modeling 1.3.Modeling Indice1 Indice2 Indice3 IndiceA IndiceB IndiceC Type Parent Type Child Type Parent Type Child Type Child Type 1 : N 1 : N 1 : N

16. Shard design number_of_shards>= number_of_data_nodes number_of_replica 20140624235959 ORDER BY search_fieldDESC "range": { "search_field": { "gt": "20140624235959" } } "sort": [ { "search_field": { "order": "desc" } } ]

47. SQL on ElasticSearch Demo

48. ElasticSearch Lucene ElasticSearch . modelingsizing. . Queryfilter. Bulk API. ElasticSearch HadoopSQL.

49. Q&A E-mail : [email protected]

50. THANK YOU

[2D1]Elasticsearch 성능 최적화

Text of [2D1]Elasticsearch 성능 최적화

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