Elastic Stack 入門 2018.09 / Getting started Elastic Stack 2018.09

by Jun Ohtani

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!1 Jun Ohtani Community Engineer @Elastic  Twitter: @johtani Elastic Stackೖ໳

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!2 about • Me, Jun Ohtani / Community Engineer ‒ lucene-gosenίϛολʔ ‒ σʔλ෼ੳج൫ߏஙೖ໳ ڞஶ ‒ http://blog.johtani.info  • Elastic, founded in 2012 ‒ Products: Elasticsearch, Logstash, Kibana, Beats   Elastic APM,   X-Pack, Elastic Cloud, Swiftype   Professional services: Support & development subscriptions  Trainings, Consulting, SaaS

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!3 ΞδΣϯμ • Ξϯέʔτ • Ϣʔεέʔε঺հ • ϓϩμΫτ঺հ • σϞ ˍ QA

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Ϣʔεέʔε !4

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Search and analytics, it all started here !5 More than 60% of our customers have a search or analytics use case

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Logs Logs Logs,   many devices,  many systems More than 40% of our  customers use our products  for operational log analysis !7

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ΠϯϑϥετϥΫνϟɺWebαʔόʔɺ ΞϓϦέʔγϣϯ͔Βຖ೔  ऩू͢Δϩά͸ 1.2TB Ҏ্ɹ 8

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Sniff sniff sniff,  find the bad actors  in your data 200% YoY growth in security use cases with our products !9

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We mine and analyze 4 billion events every day to detect security hacks and threats. !10

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75% of our customers use our products for multiple use cases SEARCH SECURITY CUSTOM APPS METRICS OPERATIONAL  ANALYTICS LOG ANALYTICS !11

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!12 1,000+ developers use the Elastic Stack for use cases from trade tracking to creating new HR and compliance apps.

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!13 Elastic Stack

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Elastic Stack อଘɺݕࡧɺ෼ੳ Elasticsearch ՄࢹԽɺ؅ཧ Kibana Beats ΠϯδΣετ Logstash

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Metrics Logging APM Site  Search Application Search Business  Analytics Enterprise  Search Security  Analytics Future ιϦϡʔγϣϯ Elastic Stack อଘɺݕࡧɺ෼ੳ ՄࢹԽɺ؅ཧ ΠϯδΣετ Kibana Elasticsearch Beats Logstash

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Metrics Logging APM Site  Search App  Search Business  Analytics Enterprise  Search Security  Analytics Future ιϦϡʔγϣϯ SaaS Elastic Cloud Self Managed Elastic Cloud  Enterprise Standalone σϓϩΠ Elastic Stack อଘɺݕࡧɺ෼ੳ ՄࢹԽɺ؅ཧ ΠϯδΣετ Kibana Elasticsearch Beats Logstash

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Elastic Stack อଘɺݕࡧɺ෼ੳ Elasticsearch ՄࢹԽɺ؅ཧ Kibana Beats ΠϯδΣετ Logstash Metrics Logging APM Site  Search Application Search Business  Analytics Enterprise  Search Security  Analytics Future ιϦϡʔγϣϯ SaaS Elastic Cloud Self Managed Elastic Cloud  Enterprise Standalone σϓϩΠ

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!18 Elastic Stackͷߏ੒ Beats Log Files Metrics Wire Data your{beat} Kibana Instances Kafka Distributed Message Queue Notification Queues Storage Metrics Data Store Web APIs Social Sensors Elasticsearch Nodes Logstash Nodes

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!19

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20 Beats ܰྔσʔλγούʔ ιʔε͔ΒσʔλΛసૹ సૹ͠Elasticsearchʹू໿ ม׵ͱύʔεͷͨΊ Logstashʹసૹ Elastic Cloudʹసૹ Libbeat: ΧελϜbeatsͷͨ ΊͷAPIϑϨʔϜϫʔΫ 30Ҏ্ͷίϛϡχςΟbeats

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The Beats family Heartbeat Uptime monitoring Filebeat Log files Winlogbeat Windows Event Logs Packetbeat Network data +40 community Beats Metricbeat Metrics Auditbeat Audit data

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Collect system and application metrics Metricbeat

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lots of modules Metricbeat

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tail log from ﬁle Filebeat

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many modules Filebeat

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Capture the Packet Packetbeat

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Capture the Packet Packetbeat

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Welcome to 1998 winlogbeat

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Now winlogbeat

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31 Logstash σʔλՃ޻ύΠϓϥΠϯ શͯͷܗࣜɺαΠζͱσʔλιʔ εͷ౤ೖ ύʔεͱಈతͳ σʔλม׵ ͋ΒΏΔग़ྗʹ σʔλసૹ ҆શͰ҉߸Խ͞Εͨ  σʔλೖྗ ಠࣗͷύΠϓϥΠϯॲཧ ͷ࡞੒ 200Ҏ্ͷϓϥάΠϯ

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Logstash in 10 seconds • ϩάɾσʔλͷऩूɾ؅ཧ • ऩूɺύʔεɾՃ޻ɺૹग़ • ΦʔϓϯιʔεɿApache License 2.0 • Ruby app (JRuby) !32

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Logstash architecture !33 Input Output Filter ? ? collect and split alter and enrich store and visualize

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ઃఆ 34 input { … } filter { … } output { … }

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ઃఆɿinput 35 input { file { path => “/Users/johtani/sample/*_log" start_position => "beginning" } }

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1ߦ1σʔλ 189.120.xx.xx - - [02/Dec/2014:12:18:29 +0900] "GET /manager/html HTTP/ 1.1" 404 274 "-" "Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0" 36

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ઃఆɿfilter 37 filter { grok { match => { "message" => "%{COMBINEDAPACHELOG}" } break_on_match => false } date { match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"] locale => en } geoip { source => ["clientip"] } useragent { source => "agent" target => "useragent" } }

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ύʔε !38 189.120.xx.xx - - [02/Dec/2014:12:18:29 +0900] "GET /manager/html HTTP/1.1" 404 274 "-" "Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0" {… "@timestamp": "2015-04-10T09:07:49.325Z", "clientip": "189.120.xx.xx", "ident": "-", "auth": "-", "timestamp": "02/Dec/2014:12:18:29 +0900", "verb": "GET", "request": "/manager/html", … "agent": "\"Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/

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ઃఆɿfilter !39 filter { grok { match => { "message" => "%{COMBINEDAPACHELOG}" } break_on_match => false } date { match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"] locale => en } geoip { source => ["clientip"] } useragent { source => "agent" target => "useragent" } }

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೔෇ͷύʔε 40 {… "@timestamp": "2015-04-10T09:07:49.325Z", … "timestamp": "02/Dec/2014:12:18:29 +0900", … } {… "@timestamp": "2014-12-02T03:18:29.000Z", … "timestamp": "02/Dec/2014:12:18:29 +0900", … }

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ઃఆɿfilter !41 filter { grok { match => { "message" => "%{COMBINEDAPACHELOG}" } break_on_match => false } date { match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"] locale => en } geoip { source => ["clientip"] } useragent { source => "agent" target => "useragent" } }

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IP͔ΒҢ౓ܦ౓ͳͲ෇༩ 42 "clientip": "189.120.xx.xx", "clientip": "189.120.xx.xx", "geoip": { "ip": “189.120.xxx.xxx”, … "country_name": "Brazil", "continent_code": "SA", "region_name": "27", "city_name": "São Paulo", "latitude":

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ઃఆɿfilter !43 filter { grok { match => { "message" => "%{COMBINEDAPACHELOG}" } break_on_match => false } date { match => ["timestamp", "dd/MMM/YYYY:HH:mm:ss Z"] locale => en } geoip { source => ["clientip"] } useragent { source => "agent" target => "useragent" } }

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ϢʔβΤʔδΣϯτͷύʔε 44 "agent": "\"Mozilla/5.0 (Windows NT 5.1; rv: 5.0) Gecko/20100101 Firefox/5.0\"" "agent": "\"Mozilla/5.0 (Windows NT 5.1; rv: 5.0) Gecko/20100101 Firefox/5.0\"" "useragent": { "name": "Firefox", "os": "Windows XP", "os_name": "Windows XP", "device": "Other", "major": "5", "minor": "0"

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ઃఆɿoutput 45 output { elasticsearch { hosts => ["localhost"] index => “demo_access_log-%{+YYYY.MM.dd}” } }

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!46

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47 Elasticsearch Heart of the Elastic Stack ෼ࢄܕɺεέʔϥϒϧ ߴՄ༻ੑ Ϛϧνςφϯτ ։ൃऀϑϨϯυϦʔ ϦΞϧλΠϜɺશจݕࡧ ΞάϦήʔγϣϯ

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Elasticsearchͱ͸ʁ

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ϑϦʔϫʔυݕࡧ !49

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ߜΓࠐΈ !50

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ϋΠϥΠτ !51

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ιʔτ !52

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ϖʔδϯά !53

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ूܭ !54

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αδΣετ !55

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Elasticsearch in 10 seconds • εΩʔϚϑϦʔɺ෼ࢄυΩϡϝϯτετΞɺREST & JSON • Φʔϓϯιʔε: Apache License 2.0 • ઃఆͳ͠Ͱ؆୯ʹࢼ͢͜ͱ͕Մೳ • JavaͰ࣮૷ɻ֦ு΋༰қ !56

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Powerful Search at Scale !57

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؆୯ͳCRUD

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σʔλొ࿥ 59 curl -XPUT localhost:9200/books/book/1 -d ' { "title" : "Elasticsearch - The definitive guide", "authors" : "Clinton Gormley", "started" : "2013-02-04", "pages" : 230 }'

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σʔλߋ৽ 60 curl -XPUT localhost:9200/books/book/1 -d ' { "title" : "Elasticsearch - The definitive guide", "authors" : [ "Clinton Gormley", "Zachary Tong" ], "started" : "2013-02-04", "pages" : 230 }'

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σʔλ࡟আ !61 curl -X DELETE localhost:9200/books/book/1 σʔλͷऔಘ curl —X GET localhost:9200/books/book/1 curl —X GET localhost:9200/books/book/1/_source

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ݕࡧ !62 curl -XGET localhost:9200/books/_search?q=elasticsearch { "took" : 2, "timed_out" : false, "_shards" : { "total" : 5, "successful" : 5, "failed" : 0 }, "hits" : { "total" : 1, "max_score" : 0.076713204, "hits" : [ { "_index" : “books", "_type" : “book", "_id" : "1", "_score" : 0.076713204, "_source" : { "title" : "Elasticsearch - The definitive guide", "authors" : [ "Clinton Gormley", "Zachary Tong" ], "started" : “2013-02-04", "pages" : 230 } } ]

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ݕࡧ - Query DSL !63 curl -XGET ‘localhost:9200/books/book/_search' -d '{ "query": { "filtered" : { "query" : { "match": { "text" : { "query" : “To Be Or Not To Be", "cutoff_frequency" : 0.01 } } }, "filter" : { "range": { "price": { "gte": 20.0 "lte": 50.0

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෼ࢄߏ੒ɺ  εέʔϧ

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Basic terms • ΠϯσοΫε ‒ σʔλͷ࿦ཧతͳू߹ɻ  RDBͷσʔλϕʔεͷΑ͏ͳ΋ͷLogical • ϨϓϦέʔγϣϯ • ಡΈࠐΈͷεέʔϥϏϦςΟ޲্ • SPOFͷղফ • γϟʔσΟϯά • ෳ਺Ϛγϯ΁σʔλΛ෼ׂ  ॻ͖ࠐΈͷεέʔϥϏϦςΟ޲্  σʔλϑϩʔ੍ޚ !65

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γϟʔυͱϨϓϦΧ !66 node 1 orders products 1 4 1 2 2 3 curl -X PUT localhost:9200/orders -d '{ "settings.index.number_of_shards" : 4 "settings.index.number_of_replicas" : 1 }' curl -X PUT localhost:9200/products -d '{ "settings.index.number_of_shards" : 2 "settings.index.number_of_replicas" : 0 }'

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γϟʔυͱϨϓϦΧ !67 node 1 orders products 1 4 1 node 2 orders products 2 2 3 4 1 2 3

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ࣗಈతͳ෼ࢄ !68 node 1 orders products 2 1 4 1 node 2 orders products 2 2 node 3 orders products 3 4 1 3

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શจݕࡧͱ͸ʁ

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શจݕࡧͱ͸ʁ • શจݕࡧʢFull text searchʣͱ͸ɺίϯϐϡʔλʹ͓͍ͯɺෳ਺ͷจॻ ʢϑΝΠϧʣ͔ΒಛఆͷจࣈྻΛݕࡧ͢Δ͜ͱɻʮϑΝΠϧ໊ݕࡧʯ΍ ʮ୯ҰϑΝΠϧ಺ͷจࣈྻݕࡧʯͱҟͳΓɺʮෳ਺จॻʹ·͕ͨͬͯɺจ ॻʹؚ·ΕΔશจΛର৅ͱͨ͠ݕࡧʯͱ͍͏ҙຯͰ࢖༻͞ΕΔɻ  ʢWikipediaΑΓʣ !70

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༻ޠ • ΠϯσοΫε ݕࡧΤϯδϯ͕ݕࡧʹ࢖༻͢Δσʔλͷอଘઌ • υΩϡϝϯτʢจॻʣ ‒ ݕࡧΤϯδϯʹอଘ͞Εͨσʔλ • ϑΟʔϧυ ‒ υΩϡϝϯτʹؚ·ΕΔଐੑ • ΫΤϦ ‒ ݕࡧ৚݅ɺݕࡧࣜ !71

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༻ޠ • εΩʔϚ ‒ υΩϡϝϯτͷߏ଄Λఆٛ͢Δ΋ͷ • λʔϜʢTermʣɺτʔΫϯʢTokenʣ ‒ ΠϯσοΫεͷΩʔʹͳΔ୯ޠʢจࣈྻʣ ‒ จষΛҰఆͷ๏ଇͰ۠੾ͬͨ୯ޠ ‒ ୯ޠ͚ͩͰͳ͘ɺ୯ޠͷҐஔͳͲ΋ؚΉ !72

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υΩϡϝϯτͷొ࿥ !73 1 2 ΧπΦ͸αβΤͷఋ αβΤ͸ϫΧϝͷ࢞ υΩϡϝϯτͷొ࿥

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υΩϡϝϯτͷొ࿥ !74 1 2 ΧπΦ͸αβΤͷఋ αβΤ͸ϫΧϝͷ࢞ 1 2 ΧπΦ αβΤ ͸ ͸ ͷ ͷ αβΤ ϫΧϝ ఋ ࢞ υΩϡϝϯτͷొ࿥ ୯ޠʹ෼ׂ

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υΩϡϝϯτͷొ࿥ !75 1 2 ΧπΦ͸αβΤͷఋ αβΤ͸ϫΧϝͷ࢞ 1 2 ΧπΦ αβΤ ͸ ͸ ͷ ͷ αβΤ ϫΧϝ ఋ ࢞ ΧπΦ αβΤ 1 1 2 ͸ ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 υΩϡϝϯτͷొ࿥ ୯ޠʹ෼ׂ ୯ޠ͔Βidͷ഑ྻ͕ Ҿ͚ΔΑ͏ʹ

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ݕࡧ !76 ΧπΦ αβΤ 1 1 2 ͸ ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 ݕࡧ৚݅ೖྗ ΧπΦɹαβΤ

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ݕࡧ !77 ΧπΦ αβΤ 1 1 2 ͸ ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ৚݅ೖྗ ݕࡧ৚݅ͷύʔε  ݕࡧΫΤϦԽ ΧπΦɹαβΤ

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ݕࡧ !78 ΧπΦ αβΤ 1 1 2 ͸ ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ৚݅ೖྗ ݕࡧ৚݅ͷύʔε  ݕࡧΫΤϦԽ ΧπΦɹαβΤ

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ݕࡧ !79 ΧπΦ αβΤ 1 1 2 ͸ ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ৚݅ೖྗ ݕࡧ৚݅ͷύʔε  ݕࡧΫΤϦԽ ΧπΦɹαβΤ

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ݕࡧ !80 ΧπΦ αβΤ 1 1 2 ͸ ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ৚݅ೖྗ ݕࡧ৚݅ͷύʔε  ݕࡧΫΤϦԽ ΧπΦɹαβΤ

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ݕࡧ !81 ΧπΦ αβΤ 1 1 2 ͸ ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ৚݅ೖྗ ݕࡧ৚݅ͷύʔε  ݕࡧΫΤϦԽ ΧπΦɹαβΤ

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ݕࡧ !82 ΧπΦ αβΤ 1 1 2 ͸ ͷ ࢞ ϫΧϝ 2 1 2 1 2 1 ఋ 2 ΧπΦ αβΤ AND ݕࡧ৚݅ೖྗ ݕࡧ৚݅ͷύʔε  ݕࡧΫΤϦԽ ΧπΦɹαβΤ

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୯ޠͷ۠੾Γํ • ӳޠͷ৔߹ I am speaking Introduction Elasticsearch.     • ೔ຊޠͷ৔߹ ࢲ͸ೖ໳Elasticsearchʹ͍ͭͯ࿩͍ͯ͠Δɻ    !83

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୯ޠͷ۠੾Γํ • ӳޠͷ৔߹ I am speaking Introduction Elasticsearch.     εϖʔε͕੾Ε໨ͱΘ͔Δ • ೔ຊޠͷ৔߹ ࢲ͸ೖ໳Elasticsearchʹ͍ͭͯ࿩͍ͯ͠Δɻ  Ͳ͜Ͱ۠੾Ε͹Α͍ʁ 84

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N-Gramͱܗଶૉղੳ • సஔΠϯσοΫεͷΩʔͷ࡞Γํ ‒ ೔ຊޠ͸୯ޠͷ੾Ε໨͕Θ͔Βͳ͍ͷͰɺసஔΠϯσοΫεͷΩʔ͸ ओʹ࣍ͷ̎ͭͷख๏Ͱ࡞੒ • N-Gram ‒ NจࣈͣͭจষΛ۠੾Δ • ܗଶૉղੳ ‒ ࣙॻͳͲΛ༻͍ͯҙຯͷ͋Δ୯ޠͰ۠੾Δ !85

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ܗଶૉղੳ • ϝϦοτɿ ‒ ҙຯͷ͋Δ୯ޠͷ੾Ε໨  ඼ࢺ৘ใΛݩʹ௥Ճॲཧ͕Մೳʢޠװม׵ͳͲʣ • σϝϦοτɿ ‒ ৽ޠʢະ஌ޠʣʹऑ͍→ࣙॻϕʔεͷ৔߹ɺࣙॻʹͳ͍୯ޠ͸ݕग़ෆ ೳɻ !86 ΧπΦ͸αβΤͷఋ ΧπΦ ͸ ͷ αβΤ ఋ

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N-Gram • ϝϦοτɿ ‒ ະ஌ޠʹରԠՄೳ • σϝϦοτɿ ‒ ΠϯσοΫεංେԽ ‒ ඼ࢺ৘ใʹجͮ͘ॲཧ͕ෆՄೳ !87 ΧπΦ͸αβΤͷఋ Χπ πΦ Φ͸ ͸α αβ βΤ Τͷ ͷఋ

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ͦͷଞͷػೳ

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elasticsearch ͞·͟·ͳܗࣜͷσʔλͰ GeoݕࡧՄೳ    Ң౓ܦ౓ɺGeoHashɺ GeoShape… GEO

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Ecosystem • Plugins ‒ ϓϥάΠϯʹΑΔػೳͷ௥Ճ • ΫϥΠΞϯτϥΠϒϥϦ • Java, Ruby, python, php, perl, javascript, .NET • Scala, clojure, go !90

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Elasticsearch - The Definitive guide    http://www.elastic.co/guide/en/ elasticsearch/guide/current/index.html 91 ৄ͘͠஌Γ͍ͨํ͸

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!92

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93 Kibana Window into the Elastic Stack ՄࢹԽͱ෼ੳ ஍ཧۭؒ ΧελϚΠζͱ Ϩϙʔτͷڞ༗ άϥϑ୳ࡧ Elastic Stack΁ͷ ηΩϡΞͳΞΫηεͱ؅ཧ ΧελϜAppsͷ࡞੒

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σʔλͷొ࿥ํ๏ !94

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!95 σʔλͷొ࿥ํ๏ • Kibanaͷαϯϓϧσʔλʢ6.4͔Βʣ • LogstashͰJDBC input • LogstashͰCSV • FilebeatͰΞΫηεϩά • MetricbeatͰϝτϦοΫ • PacketbeatͰMySQL/PostgreSQLͷύέοτղੳ

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!96 Kibanaͷαϯϓϧσʔλʢ>= 6.4.0ʣ

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!97 ϫϯΫϦοΫͰσʔλొ࿥

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!98 LogstashͰJDBC Input Kibana Instances Data Store Elasticsearch Nodes Logstash Nodes

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!99 JDBC Input

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!100 LogstashͰCSV Kibana Instances CSV  File Elasticsearch Nodes Logstash Nodes

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!101 CSV filter

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!102 FilebeatͰΞΫηεϩά Beats Log Files Kibana Instances Elasticsearch Nodes

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• 2ͭͷElasticsearchϓϥάΠϯΛΠϯετʔϧͯ͠ElasticsearchΛىಈ • Filebeatͷapache2ϞδϡʔϧΛ༗ޮԽ • modules.d/apache2.ymlʹΞΫηεϩάͷύεΛઃఆ • setupίϚϯυΛ࣮ߦ͔ͯ͠ΒFilebeatΛىಈ !103 FilebeatͰΞΫηεϩά

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MetricbeatͰϝτϦοΫ Beats Metrics Kibana Instances Elasticsearch Nodes

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• MetricbeatͷsystemϞδϡʔϧΛ༗ޮԽ • setupίϚϯυΛ࣮ߦ͔ͯ͠ΒFilebeatΛىಈ !105 MetricbeatͰϝτϦοΫ

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!106 PacketbeatͰMySQLɺPostgreSQLͷύέοτղੳ Beats Wire Data Kibana Instances Elasticsearch Nodes

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σϞ !107

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