Elastic{ON} 2018 - Upgrade to 6.0: Leading with Empathy

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archana sriram kibana engineer elastic eldnahevitaerc upgrade to 6.0 leading with empathy archanid ^ change

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who am I

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黄花きばな

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who is Elastic

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who are Elastic

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Elasticsearch: Core/Infra, Distributed, Search & Aggs, Lucene, Security Documentation Kibana Operations Kibana Platform Monitoring (Kibana & Elasticsearch) Beats Logstash Cloud Support Kibana QA

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who are you

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www.elastic.c o

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How to ruin your elasticsearch installation

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How to ruin your elasticsearch installation A heart-rending tragicomedy

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How to ruin your elasticsearch installation A heart-rending tragicomedy A recurring nightmare

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How to ruin your elasticsearch installation A heart-rending tragicomedy A recurring nightmare A true story

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5.6 5.6 5.6

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5.6 5.6 5.6

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5.6 5.6

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5.6 5.6 6.2

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5.6 5.6 6.2

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[2018-01-27T01:06:02,635][INFO ][o.e.d.z.ZenDiscovery ] [chmgl9ap15] failed to send join request to master [{chmgl9ap16}{- enENLKCQnaYPJW7IL80YA}{sK8- LS1OQhe9zOCTXJpdFg}{10.212.81.133}{10.212.81.133:9300}{ml.ma x_open_jobs=10, ml.enabled=true}], reason [RemoteTransportException[[chmgl9ap16][10.212.81.133:9300][intern al:discovery/zen/join]]; nested: IllegalStateException[failure when sending a validation request to node]; nested: RemoteTransportException[[chmgl9ap15][10.212.81.53:9300][internal: discovery/zen/join/validate]]; nested: IllegalStateException[Security index is not on the current version [6] - The Upgrade API must be run for 6.x nodes to join the cluster]; ]

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5.6 5.6 6.2 .security

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5.6 5.6 .security

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5.6 5.6 5.6 .security

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[2018-01-27T03:13:53,725][ERROR][o.e.g.GatewayMetaState ] [chmgl9ap15] failed to read local state, exiting… org.elasticsearch.ElasticsearchException: java.io.IOException: failed to read [id:176, legacy:false, file:/usr/share/elasticsearch/data/nodes/0/_state/global-176.st]

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[2018-01-27T03:13:53,725][ERROR][o.e.g.GatewayMetaState ] [chmgl9ap15] failed to read local state, exiting... org.elasticsearch.ElasticsearchException: java.io.IOException: failed to read [id:176, legacy:false, file:/usr/share/elasticsearch/data/nodes/0/_state/global-176.st]

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5.6 5.6 5.6 .security cluster state

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5.6 5.6 5.6 .security cluster state

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5.6 5.6 5.6 .security cluster state

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5.6 5.6 .security cluster state

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5.6 5.6 5.6 .security cluster state

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5.6 5.6 .security cluster state 5.6

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5.6 5.6 .security cluster state 5.6

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5.6 5.6 .security cluster state 6.2

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.security cluster state 6.2 6.2 5.6

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.security cluster state 6.2 6.2 6.2

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bin/x-pack/users useradd yasmeen -p ***** -r superuser

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• First, congratulations on using your literacy skills right now. People who read instructions are rare. • 30% of users read. 15% both read and understand what they read. • You have no idea how much time went into all this documentation. • I bet you will not click the link to the documentation in the previous bullet point. • Also, those statistics about users are made up. • The next bullet point is really not worth reading, I promise. Just skip over it. • Are you frustrated because you cannot both read this slide and hear what I’m saying? • If I said nonsense right now, would you even notice? How to upgrade without borking your system 38 All the steps you need to follow to do it right! Here are the steps:

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the 3 empathies

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how it feels to use the product today

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what’s best for the product

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how it feels in the community as we change

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structure flexibility

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www.elastic.c o

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innovate replace legacy features remove fragility improve user experience keep our users onboard Development Constitution

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agility stability

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upgrade assistant

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upgrade guide

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upgrade webinar

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breaking changes docs

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solutions for removal of multiple mapping types

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Kibana’s solution for removal of multiple mapping types

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convert multiple types automatically*

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www.elastic.c o

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response-ability

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{ }

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www.elastic.c o

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www.elastic.c o

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the future

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www.elastic.c o

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Questions, Stories, Hugs, Tears Visit me at the AMA

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www.elastic.c o

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Except where otherwise noted, this work is licensed under http://creativecommons.org/licenses/by-nd/4.0/ Creative Commons and the double C in a circle are registered trademarks of Creative Commons in the United States and other countries. Third party marks and brands are the property of their respective holders. 66 Please attribute Elastic with a link to elastic.co

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Appendix

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Mapping types Analogy to SQL gone awry

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user_name name email content tweeted_at user tweet

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user_name name email content tweeted_at deleted user tweet

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user_name name email content tweeted_at deleted user boolean tweet date

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user_name name email content tweeted_at deleted user boolean tweet date

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Split types into new indices

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user_name name email content tweeted_at user tweet

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user_name name email content tweeted_at user tweet user_name name email user user_name content tweeted_at tweet

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PUT twitter { "mappings": { "user": { "properties": { "name": { "type": "text" }, "user_name": { "type": "keyword" }, "email": { "type": "keyword" } } }, "tweet": { "properties": { "content": { "type": "text" }, "user_name": { "type": "keyword" }, "tweeted_at": { "type": "date" } } } } }

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PUT users { "settings": { "index.mapping.single_type": true }, "mappings": { "user": { "properties": { "name": { "type": "text" }, "user_name": { "type": "keyword" }, "email": { "type": "keyword" } } } } } PUT twitter { "mappings": { "user": { "properties": { "name": { "type": "text" }, "user_name": { "type": "keyword" }, "email": { "type": "keyword" } } }, "tweet": { "properties": { "content": { "type": "text" }, "user_name": { "type": "keyword" }, "tweeted_at": { "type": "date" } } } } }

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PUT tweets { "settings": { "index.mapping.single_type": true }, "mappings": { "tweet": { "properties": { "content": { "type": "text" }, "user_name": { "type": "keyword" }, "tweeted_at": { "type": "date" } } } } } PUT users { "settings": { "index.mapping.single_type": true }, "mappings": { "user": { "properties": { "name": { "type": "text" }, "user_name": { "type": "keyword" }, "email": { "type": "keyword" } } } } } PUT twitter { "mappings": { "user": { "properties": { "name": { "type": "text" }, "user_name": { "type": "keyword" }, "email": { "type": "keyword" } } }, "tweet": { "properties": { "content": { "type": "text" }, "user_name": { "type": "keyword" }, "tweeted_at": { "type": "date" } } } } }

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POST _reindex { "source": { "index": "twitter", "type": "tweet" }, "dest": { "index": "tweets" } } POST _reindex { "source": { "index": "twitter", "type": "user" }, "dest": { "index": "users" } }

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GET users/doc/5 { "_index": "users", "_type": "doc", "_id": "5", "_version": 1, "found": true, "_source": { "user_name": "kimchy", "name": "Shay Banon", "email": "shay@elastic.co" } } GET twitter/user/5 { "_index": "twitter", "_type": "user", "_id": "5", "_version": 1, "found": true, "_source": { "user_name": "kimchy", "name": "Shay Banon", "email": "shay@elastic.co" } } OLD WAY TO GET A DOCUMENT NEW WAY TO GET A DOCUMENT

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POST users/doc/5 { "user_name": "kimchy", "name": "Shay Banon", "email": "shay@elastic.co" } POST twitter/user/5 { "user_name": "kimchy", "name": "Shay Banon", "email": "shay@elastic.co" } OLD WAY TO POST A DOCUMENT NEW WAY TO POST A DOCUMENT

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Merge fields into single type

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user_name name email content tweeted_at user tweet

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user_name name email content tweeted_at user tweet user_name name email content tweeted_at doc

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user_name name email content tweeted_at user tweet type user_name name email content tweeted_at doc

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user_name name email content tweeted_at user tweet type user_name name email content tweeted_at doc user tweet

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No content

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PUT new_twitter { "settings": { "index.mapping.single_type": true }, "mappings": { "doc": { "properties": { "type": { "type": "keyword" }, "name": { "type": "text" }, "user_name": { "type": "keyword" }, "email": { "type": "keyword" }, "content": { "type": "text" }, "tweeted_at": { "type": "date" } } } } } PUT twitter { "mappings": { "user": { "properties": { "name": { "type": "text" }, "user_name": { "type": "keyword" }, "email": { "type": "keyword" } } }, "tweet": { "properties": { "content": { "type": "text" }, "user_name": { "type": "keyword" }, "tweeted_at": { "type": "date" } } } } }

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POST _reindex { "source": { "index": "twitter", }, "dest": { "index": "new_twitter" }, "script": { "source": """ ctx._source.type = ctx._type; ctx._id = ctx._type + '-' + ctx._id; ctx._type = 'doc'; """ } }

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GET twitter/user/5 { "_index": "twitter", "_type": "user", "_id": "5", "_version": 1, "found": true, "_source": { "user_name": "eldnahevitaerc", "name": "Archana Sriram", "email": "archana@elastic.co" } } GET new_twitter/doc/user-5 { "_index": "new_twitter", "_type": "doc", "_id": "user-5", "_version": 2, "found": true, "_source": { “type”: “user”, "user_name": "eldnahevitaerc", "name": "Archana Sriram", "email": "archana@elastic.co" } } OLD WAY TO GET A DOCUMENT NEW WAY TO GET A DOCUMENT

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GET new_twitter/doc/user-5 { "_index": "new_twitter", "_type": "doc", "_id": "user-5", "_version": 2, "found": true, "_source": { “type”: “user”, "user_name": "eldnahevitaerc", "name": "Archana Sriram", "email": "archana@elastic.co" } } GET twitter/user/5 { "_index": "twitter", "_type": "user", "_id": "5", "_version": 1, "found": true, "_source": { "user_name": "eldnahevitaerc", "name": "Archana Sriram", "email": "archana@elastic.co" } } OLD WAY TO GET A DOCUMENT NEW WAY TO GET A DOCUMENT

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POST new_twitter/doc/user-5 { "type": "user", "user_name": "eldnahevitaerc", "name": "Archana Sriram", "email": "archana@elastic.co" } POST twitter/user/5 { "user_name": "eldnahevitaerc", "name": "Archana Sriram", "email": "archana@elastic.co" } OLD WAY TO POST A DOCUMENT NEW WAY TO POST A DOCUMENT

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Nest multiple types under single top-level type

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user_name name email content tweeted_at user tweet

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user tweet doc type user_name name email type user_name content tweeted_at user_name name email content tweeted_at user tweet