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What's new in elasticsearch (1.0, 1.1, 1.2 & 1.x)

What's new in elasticsearch (1.0, 1.1, 1.2 & 1.x)

This presentation covers the most interesting features of Elasticsearch 1.0, 1.1, 1.2 and gives a short forecast on the most interesting features of the upcoming release.

Elasticsearch Inc

July 16, 2014
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  1. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Elasticsearch? What’s new in @lucacavanna (1.0, 1.1, 1.2 & 1.x)
  2. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited elasticsearch? what is
  3. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited JSON distributed real-time analytics RESTful Lucene open source schema-free document oriented search
  4. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Unstructured search
  5. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Structured search
  6. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Enrichment
  7. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Sorting
  8. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Pagination
  9. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Aggregation
  10. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Suggestions
  11. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited
  12. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Setup $ wget https://download.elasticsearch.org/elasticsearch/ elasticsearch/elasticsearch-1.2.1.zip ! $ unzip elasticsearch-1.2.1.zip ! $ cd elasticsearch-1.2.1 ! $ bin/elasticsearch
  13. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Is it alive? $ curl localhost:9200 ! { "status" : 200, "name" : "Moondark", "version" : { "number" : “1.2.1", "build_hash" : "6c95b759f9e7ef0f8e17f77d850da43ce8a4b364", "build_timestamp" : "2014-06-03T15:02:52Z", "build_snapshot" : false, "lucene_version" : "4.8" }, "tagline" : "You Know, for Search" }
  14. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Index $ curl -XPUT localhost:9200/twitter/status/1 -d ' { "text" : "Whats new in elasticsearch", "user" : { "name" : "Luca Cavanna", "screen_name" : "lucacavanna" }, "place" : { "country" : "Netherlands", "country_code" : "nl" }, "created_at" : "2014-07-16", "retweet_count" : 50 } '
  15. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Get $ curl -XGET localhost:9200/twitter/status/1 Delete $ curl -XDELETE localhost:9200/twitter/status/1
  16. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Search $ curl -XGET localhost:9200/_search?q=elasticsearch $ curl -XGET localhost:9200/_search -d ' { "query" : { "query_string" : { "query" : "elasticsearch AND features" } } } '
  17. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Search - query DSL $ curl -XGET localhost:9200/_search -d ' { "query" : { "filtered" : { "query" : { "bool" : { "must" : [ { "match" : { "text" : { "query" : "elasticsearch features", "operator" : "AND" }}} ], "should" : [ { "match" : {"text" : "pizza"} } ] } }, "filter" : { "range" : { "created_at" : {"from" : "2014-07-01"} } } } } } '
  18. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited 12 Feb 2014 v1.0
  19. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited snapshot & restore Photo by John http://www.flickr.com/people/[email protected]
  20. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited backup in 0.90 • disable flush • find all primary shards location (optional) • copy files (rsync) • re-enable flush
  21. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited backup in 1.0 - repository $ curl -XPUT localhost:9200/_snapshot/local -d ' { "type" : "fs", "settings" : { "location" : "/data/es/backup" } } '
  22. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited backup in 1.0 - snapshot $ curl -XPUT localhost:9200/_snapshot/local/backup_1 -d ' { "indices" : "*,-twitter*" } '
  23. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited restore in 0.90 • close the index • find all existing shards • replace files with ones from backup • re-open the index
  24. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited restore in 1.0 $ curl -XPOST localhost:9200/2014-*/_close • close the index/indices $ curl -XPOST localhost:9200/_snapshot/local/backup_1/_restore -d ' { "indices" : "2014-*" } ' • restore existing snapshot
  25. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited aggregations
  26. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Facets in 0.90
  27. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Facets in 0.90 • terms / terms stats • range • histogram / date histogram • statistical • geo distance • filter / query
  28. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited retweets stats per user $ curl -XGET localhost:9200/twitter/_search -d ' { "facets" : { "retweets_per_user" : { "terms_stats" : { "key_field" : "user.screen_name", "value_field" : "retweet_count" } } } } '
  29. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited retweets stats per user { "facets" : { "retweets_per_user" : { "_type" : "terms_stats", "missing" : 0, "terms" : [{ "term" : "lucacavanna", "count" : 1, "total_count" : 1, "min" : 50.0, "max" : 50.0, "total" : 50.0, "mean" : 50.0 }] } } }
  30. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Nothing! What’s wrong?
  31. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited give me the retweets stats per month, per user… cool, then…
  32. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited aggregations The answer is…
  33. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited retweets stats per month per user $ curl -XGET localhost:9200/twitter/_search -d ' { "aggs" : { "month" : { "date_histogram" : { "field" : "created_at", "interval" : "month" }, "aggs" : { "user" : { "terms" : { "field" : "user.screen_name" }, "aggs" : { "retweets" : { "stats" : { "field" : "retweet_count" } } } } } } } } '
  34. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited retweets stats per month per user { "aggregations" : { "month" : { "buckets" : [ { "key_as_string" : "Tue Jul 01 00:00:00 +0000 2014", "key" : 1396310400000, "doc_count" : 1, "user" : { "buckets" : [ { "key" : "lucacavanna", "doc_count" : 1, "retweets" : { "count" : 1, "min" : 50, "max" : 50, "avg" : 50, "sum" : 50 } } ] } } ] } }
  35. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited aggregations buckets metrics
  36. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited buckets • global • filter • missing • terms • range • date_range • ipv4_range • histogram • date_histogram • geo_distance • geohash_grid • nested
  37. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited metrics • value_count • stats • extended_stats • avg • min • max • sum
  38. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited distributed percolator
  39. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited register query $ curl -XPUT localhost:9200/twitter/.percolator/es-features -d ' { "query" : { "match" : { "text" : "elasticsearch AND features" } }, "alert_type" : "mention" } '
  40. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited percolate document $ curl -XGET localhost:9200/twitter/tweet/_percolate -d ' { "doc" : { "text": “Whats new in elasticsearch", "user" : { "name" : "Luca Cavanna", "screen_name" : "lucacavanna" }, "created_at" : "2014-07-16" } }' { … "total" : 1, "matches" : [{ "_index" : "twitter", "_id" : "es-features" }] }
  41. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited 0.90 VS 1.x • single shard • sequential execution • _percolator index • single index percolation • arbitrary number of shards • parallel execution • .percolator type (any index) • multi index percolation
  42. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited new percolation features in 1.0 • percolate existing documents • percolate count api • filter support (in addition to queries) • highlighting • scoring • multi percolate • support for aggregations
  43. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited cat/* api
  44. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Which node is the master? (0.90) { "cluster_name" : "elasticsearch", "master_node" : "yT4GUfIWTY6aJdQtWVEFpw", "nodes” : { "R-5_0LiORAWmr_cYLXO69Q" : { "name" : "Woodgod", "transport_address" : "inet[/192.168.0.12:9302]", "attributes" : {} }, "yT4GUfIWTY6aJdQtWVEFpw" : { "name” : "Moondark", "transport_address" : "inet[/192.168.0.12:9300]", "attributes" : {} }, "pR0NmKeGTVGget2O1qSqCQ" : { "name" : "Adaptoid", "transport_address" : "inet[/192.168.0.12:9301]", "attributes" : {} } } } $ curl localhost:9200/cluster/_state/nodes,master_node?pretty
  45. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Which node is the master? (0.90) $ curl localhost:9200/cluster/_state/nodes,master_node?pretty ! { "cluster_name" : "elasticsearch", "master_node" : "yT4GUfIWTY6aJdQtWVEFpw", "nodes” : { "R-5_0LiORAWmr_cYLXO69Q" : { "name" : "Woodgod", "transport_address" : "inet[/192.168.0.12:9302]", "attributes" : {} }, "yT4GUfIWTY6aJdQtWVEFpw" : { "name” : "Moondark", "transport_address" : "inet[/192.168.0.12:9300]", "attributes" : {} }, "pR0NmKeGTVGget2O1qSqCQ" : { "name" : "Adaptoid", "transport_address" : "inet[/192.168.0.12:9301]", "attributes" : {} } } }
  46. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited $ curl localhost:9200/cluster/_state/nodes,master_node?pretty ! { "cluster_name" : "elasticsearch", "master_node" : "yT4GUfIWTY6aJdQtWVEFpw", "nodes” : { "R-5_0LiORAWmr_cYLXO69Q" : { "name" : "Woodgod", "transport_address" : "inet[/192.168.0.12:9302]", "attributes" : {} }, "yT4GUfIWTY6aJdQtWVEFpw" : { "name” : "Moondark", "transport_address" : "inet[/192.168.0.12:9300]", "attributes" : {} }, "pR0NmKeGTVGget2O1qSqCQ" : { "name" : "Adaptoid", "transport_address" : "inet[/192.168.0.12:9301]", "attributes" : {} } } } Which node is the master? (0.90)
  47. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited $ curl localhost:9200/cluster/_state/nodes,master_node?pretty ! { "cluster_name" : "elasticsearch", "master_node" : "yT4GUfIWTY6aJdQtWVEFpw", "nodes” : { "R-5_0LiORAWmr_cYLXO69Q" : { "name" : "Woodgod", "transport_address" : "inet[/192.168.0.12:9302]", "attributes" : {} }, "yT4GUfIWTY6aJdQtWVEFpw" : { "name” : "Moondark", "transport_address" : "inet[/192.168.0.12:9300]", "attributes" : {} }, "pR0NmKeGTVGget2O1qSqCQ" : { "name" : "Adaptoid", "transport_address" : "inet[/192.168.0.12:9301]", "attributes" : {} } } } Which node is the master? (0.90)
  48. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Which node is the master? (1.0) $ curl localhost:9200/_cat/master yT4GUfIWTY6aJdQtWVEFpw Lucas-MacBook-Air.local 192.168.0.12 Moondark
  49. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited _cat*/api • /_cat/aliases • /_cat/allocation • /_cat/count • /_cat/health • /_cat/indices • /_cat/master • /_cat/nodes • /_cat/pending_tasks • /_cat/thread_pool • /_cat/shards • /_cat/plugins
  50. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …and more • disk based field data (aka doc values) • field data circuit breaker • tribe node (aka federated search)
  51. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited 25 Mar 2014 v1.1
  52. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …count all the things cardinality aggregation
  53. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited How many distinct users tweeted, per month, per country?
  54. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Distinct users per month, per country $ curl -XGET localhost:9200/twitter/_search -d ' { "aggs" : { "month" : { "date_histogram" : { "field" : "created_at", "interval" : "month" }, "aggs" : { "country" : { "terms" : { "field" : "place.country.keyword" }, "aggs" : { "distinct_users" : { "cardinality" : { "field" : "user.screen_name" } } } } } } } } '
  55. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited { "aggregations" : { "month" : { "buckets" : [ { "key_as_string" : "2014-04-01T00:00:00.000Z", "key" : 1396310400000, "doc_count" : 1097354, "country" : { "buckets" : [ { "key" : "United States", "doc_count" : 501244, "distinct_users" : { "value" : 471504 } }, { "key" : "Indonesia", "doc_count" : 452933, "distinct_users" : { "value" : 312002 } } ] } } ] } } } Distinct users per month, per country
  56. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited cardinality aggregation • HyperLogLog++ algorithm • Approximate counts based on the hashes of the field values • Configurable precision: how to trade memory for accuracy • Allows to provide hashes while indexing • Allows to compute hashes at index time • Scripting support
  57. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …know your data percentiles aggregation
  58. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited How is the number of retweets distributed, per month, per country?
  59. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Retweets stats per month, per country $ curl -XGET localhost:9200/twitter/_search -d ' { "aggs" : { "month" : { "date_histogram" : { "field" : "created_at", "interval" : "month" }, "aggs" : { "country" : { "terms" : { "field" : "place.country.keyword" }, "aggs" : { "retweets" : { "stats" : { "field" : "retweet_count" } } } } } } } } '
  60. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited { "aggregations" : { "month" : { "buckets" : [ { "key_as_string" : "2014-04-01T00:00:00.000Z", "key" : 1396310400000, "doc_count" : 1097354, "country" : { "buckets" : [ { "key" : "United States", "doc_count" : 169442, "retweets" : { "min": 0, "max": 230681, "avg": 946.0165939898582, "sum": 47945067 } } ] } } ] } } } Retweets stats per month, per country
  61. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited …but how about the outliers? Interesting
  62. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Retweets per month, per country $ curl -XGET localhost:9200/twitter/_search -d ' { "aggs" : { "month" : { "date_histogram" : { "field" : "created_at", "interval" : "month" }, "aggs" : { "country" : { "terms" : { "field" : "place.country.keyword" }, "aggs" : { "retweets" : { "percentiles" : { "field" : "retweet_count" } } } } } } } } '
  63. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited { "aggregations" : { "month" : { "buckets" : [ { "key_as_string" : "2014-04-01T00:00:00.000Z", "key" : 1396310400000, "doc_count" : 1097354, "country" : { "buckets" : [ { "key" : "United States", "doc_count" : 169442, "retweets" : { "1.0": 1, "5.0": 1, "25.0": 2, "50.0": 21.927867004790084, "75.0": 218.26625104274626, "95.0": 3199.6148040638604, "99.0": 15889.028205128077 } } ] } } ] } } } Retweets per month, per country
  64. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited percentiles aggregation • t-digest algorithm • Approximate percentiles • Configurable compression: trade memory for accuracy • Request specific percentiles only • Scripting support
  65. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …revealing the uncommonly common significant terms
  66. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited What’s the right hashtag for… “tulip”?
  67. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Right hashtag for “tulip” $ curl -XGET localhost:9200/twitter/_search -d ' { "query" : { "match" : {"text" : "tulip"} }, "aggs" : { "interesting_tags" : { "significant_terms" : { "field" : "hashtags.text" } } } } '
  68. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited { "aggregations" : { "interesting_tags" : { "doc_count" : 40, "buckets" : [ { "key” : "spring", "doc_count" : 38, "score" : 3397.32, "bg_count" : 45 } ] } } } Right hashtag for “tulip”
  69. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited significant terms • Background set: the whole index • Foreground set: documents matching the query • Approximate counts • Configurable shard_size for better accuracy
  70. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …and more • better cross field queries • search templates • aliases support in index templates • recovery api & _cat/recovery • _cat/segments
  71. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited 22 May 2014 v1.2
  72. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …filtered suggestions context suggester
  73. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Suggest songs of same genre $ curl -XPOST localhost:9200/songs/_suggest -d ' { "suggest" : { "text" : "a", "completion": { "field" : "suggest_field", "size" : 10, "context" : { "genre" : "rock" } } } '
  74. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …and more • Java 1.7 required • reverse nested aggregation • background filtering for significant terms • disabled dynamic scripting by default
  75. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited ? ? 2014 v1.3
  76. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …aka grouping top_hits aggregation
  77. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited Give me the top tweets grouped by hashtag
  78. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited Top tweets per hashtag $ curl -XPOST localhost:9200/_search -d ' { "aggs": { "hashtag": { "terms": { "field": "hashtag" }, "aggs" : { "top_tweets" : { "top_hits" : { "_source": { "include": ["text"] } } } } } } } '
  79. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited "aggregations" : { "hashtag" : { "buckets" : [ { "key" : "elasticsearch", "doc_count" : 1, "top_tweets" : { "hits" : { "total" : 1, "max_score" : 1.0, "hits" : [ { "_index" : "twitter", "_type" : "status", "_id" : "1", "_score" : 1.0, "_source":{"text":"Whats new in elasticsearch"} } ] } } } ] } } Top tweets per hashtag
  80. Copyright Elasticsearch 2014 Copying, publishing and/or distributing without written permission

    is strictly prohibited …and more • search templates stored in an index • groovy as a scripting language • facets are getting deprecated
  81. Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission

    is strictly prohibited thank you! Support: http://elasticsearch.com/support Training: http://training.elasticsearch.com ! We are hiring: http://elasticsearch.com/about/jobs/ @lucacavanna