New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying,...
Transcript of New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying,...
![Page 1: New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.](https://reader034.fdocuments.in/reader034/viewer/2022050422/5f90f65a1f87632c8b5018fd/html5/thumbnails/1.jpg)
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Elasticsearch 1.0New features in
@lucacavanna
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elasticsearch?what is
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JSONdistributed
real-time
analyticsRESTful
Luceneopen source
schema-free
document oriented
search
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Setup
$ wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.0.1.zip !$ unzip elasticsearch-1.0.1.zip !$ cd elasticsearch-1.0.1 !$ bin/elasticsearch
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Setup
$ curl localhost:9200 !{ "status" : 200, "name" : "Moondark", "version" : { "number" : "1.0.1", "build_hash" : "5c03844e1978e5cc924dab2a423dc63ce881c42b", "build_timestamp" : "2014-02-25T15:52:53Z", "build_snapshot" : false, "lucene_version" : "4.6" }, "tagline" : "You Know, for Search" }
![Page 6: New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.](https://reader034.fdocuments.in/reader034/viewer/2022050422/5f90f65a1f87632c8b5018fd/html5/thumbnails/6.jpg)
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Index
$ curl -XPUT localhost:9200/twitter/tweet/1 -d ' { "tweet" : "New features in elasticsearch 1.0", "name" : "Luca Cavanna", "nick" : "lucacavanna", "date" : "2014-03-18", "location" : { "lat" : "13.4", "lon" : "52.5" }, "retweets" : 50 } '
![Page 7: New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.](https://reader034.fdocuments.in/reader034/viewer/2022050422/5f90f65a1f87632c8b5018fd/html5/thumbnails/7.jpg)
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Get
$ curl -XGET localhost:9200/twitter/tweet/1
Delete$ curl -XDELETE localhost:9200/twitter/tweet/1
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Search$ curl -XGET localhost:9200/_search?q=elasticsearch
$ curl -XGET localhost:9200/_search -d ' { "query" : { "query_string" : { "query" : "elasticsearch AND features" } } } '
![Page 9: New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.](https://reader034.fdocuments.in/reader034/viewer/2022050422/5f90f65a1f87632c8b5018fd/html5/thumbnails/9.jpg)
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Search - query DSL$ curl -XGET localhost:9200/_search -d ' { "query" : { "filtered" : { "query" : { "bool" : { "must" : [ { "match" : { "tweet" : { "query" : "elasticsearch features", "operator" : "AND" }}} ], "should" : [ { "match" : {"tweet" : "pizza"} } ] } }, "filter" : { "range" : { "date" : {"from" : "2014-03-01"} } } } } } '
![Page 10: New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.](https://reader034.fdocuments.in/reader034/viewer/2022050422/5f90f65a1f87632c8b5018fd/html5/thumbnails/10.jpg)
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12 Feb 2014v1.0
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snapshot & restore
Photo by John http://www.flickr.com/people/60026579@N00
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backup in 0.90• disable flush
• find all primary shards location (optional)
• copy files (rsync)
• re-enable flush
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backup in 1.0 - repository
$ curl -XPUT localhost:9200/_snapshot/local -d ' { "type" : "fs", "settings" : { "location" : "/data/es/backup" } } '
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backup in 1.0 - snapshot
$ curl -XPUT localhost:9200/_snapshot/local/backup_1 -d ' { "indices" : "*,-twitter*" } '
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restore in 0.90• close the index
• find all existing shards
• replace files with ones from backup
• re-open the index
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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
![Page 17: New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.](https://reader034.fdocuments.in/reader034/viewer/2022050422/5f90f65a1f87632c8b5018fd/html5/thumbnails/17.jpg)
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aggregations
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Facets in 0.90
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Facets in 0.90• terms / terms stats
• range
• histogram / date histogram
• statistical
• geo distance
• filter / query
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retweets stats per user
$ curl -XGET localhost:9200/twitter/_search -d ' { "facets" : { "retweets_per_user" : { "terms_stats" : { "key_field" : "nick", "value_field" : "retweets" } } } } '
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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 }] } } }
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Nothing!What’s wrong?
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give me the retweets stats per user, grouped by month…
cool, then…
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aggregationsThe answer is…
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retweets stats per user per month$ curl -XGET localhost:9200/twitter/_search -d ' { "aggs" : { "month" : { "date_histogram" : { "field" : "date", "interval" : "month" }, "aggs" : { "user" : { "terms" : { "field" : "nick" } }, "aggs" : { "retweets" : { "stats" : { "field" : "retweets" } } } } } } } '
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retweets stats per user per month{ "aggregations" : { "month" : { "buckets" : [ { "key" : 1393632000000, "doc_count" : 1, "user" : { "buckets" : [ { "key" : "lucacavanna", "doc_count" : 1, "retweets" : { "count" : 1, "min" : 50, "max" : 50, "avg" : 50, "sum" : 50 } } ] } } ] } } }
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aggregations
buckets
metrics
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buckets• global
• filter
• missing
• terms
• range
• date_range
• ip_range
• histogram
• date_histogram
• geo_distance
• nested
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metrics• value_count
• stats
• extended_stats
• avg
• min
• max
• sum
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distributed percolator
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register query
$ curl -XPUT localhost:9200/twitter/.percolator/es-features -d ' { "query" : { "query_string" : { "query" : "elasticsearch AND features" } }, "alert_type" : "mention" } '
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percolate document$ curl -XGET localhost:9200/twitter/tweet/_percolate -d ' { "doc" : { "tweet" : "New features in elasticsearch 1.0", "name" : "Luca Cavanna", "nick" : "lucacavanna", "date" : "2014-03-18", "retweets" : 50 } } '
{ … "total" : 1, "matches" : [{ "_index" : "twitter", "_id" : "es-features" }] }
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0.90 VS 1.0• single shard
• sequential execution
• _percolator index
• single index percolation
• arbitrary number of shards
• parallel execution
• .percolator type (any index)
• multi index percolation
![Page 34: New features in Elasticsearch 1 - Trifork · 2014-03-19 · Copyright Elasticsearch 2014. Copying, publishing and/or distributing without written permission is strictly prohibited.](https://reader034.fdocuments.in/reader034/viewer/2022050422/5f90f65a1f87632c8b5018fd/html5/thumbnails/34.jpg)
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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
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cat/* api
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Which node is the master?$ 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" : {} } } }
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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" : {} } } }
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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" : {} } } }
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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" : {} } } }
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Which node is the master? (1.0)
$ curl localhost:9200/_cat/master !!yT4GUfIWTY6aJdQtWVEFpw Lucas-MacBook-Air.local 192.168.0.12 Moondark
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_cat*/api• /_cat/allocation
• /_cat/aliases
• /_cat/count
• /_cat/indices
• /_cat/recovery
• /_cat/shards
• /_cat/health
• /_cat/thread_pool
• /_cat/pending_tasks
• /_cat/master
• /_cat/nodes
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thank you!
Support: http://elasticsearch.com/supportTraining: http://training.elasticsearch.com
!We are hiring: http://elasticsearch.com/about/jobs/
@lucacavanna