Next Generation MongoDB: Sessions, Streams, Transactions

MongoDB 3.6 already delivered new killer features like change streams and sessions getting you and your application ready for the future. Now, MongoDB 4.0 transactions take you to the next level.

Transcript

1. Next Generation mongoDB Christoph Strobl | @stroblchristoph Jeff Yemin | @jeffyemin Sessions - Streams - Transactions 30min
2. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Next Generation MongoDB 2 Christoph Strobl Software Engineer, Spring Data Jeff Yemin Lead Engineer, Drivers Sessions - Streams - Transactions
3. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/
4. https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ 10,30 € incl. VAT
 Shipping information 4 $ http GET :8080/book/f430cb49 HTTP/1.1 200 OK Content-Length: 177 Content-Type: application/json;charset=UTF-8 { "authors": [ "Peter V. Brett" ], "id": "f430cb49", "language": "English", "pages": 880, "publishDate": "2017-28-09", "publisherId": "Harper Collins Publishers", "stock": 3, "title": "The Core" }
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 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Cart Cart Register Shipping Payment Confirmation 3 copies available The Core 5 only 2 more copies available { _id: "f430cb49", title: "The Core", author: [ "Peter V. Brett" ], published_date: ISODate("2017-09-28"), pages: 880, language: "English", publisher_id: "Harper Collins", available: 2 checkout : [ {by : "cstrobl", date : "2018- ] } $ http POST :8080/book/f430cb49/order HTTP/1.1 200 OK Content-Length: 267 Content-Type: application/json;charset=UTF-8 { "books": [ { "authors": [ "Peter V. Brett" ], "id": "f430cb49", "language": "English", "pages": 880, "publishDate": "2017-28-09", "publisherId": "Harper Collins Publishers", "title": "The Core" } ], "customer": "cstrobl", "date": "2018-09-04" }
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 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Cart Cart Register Shipping Payment Confirmation 3 copies available The Core $ http POST :8080/book/f430cb49/order HTTP/1.1 200 OK Content-Length: 267 Content-Type: application/json;charset=UTF-8 { "books": [ { "authors": [ "Peter V. Brett" ], "id": "f430cb49", "language": "English", "pages": 880, "publishDate": "2017-28-09", "publisherId": "Harper Collins Publishers", "title": "The Core" } ], "customer": "cstrobl", "date": "2018-09-04" } 6 only 2 more copies available { "_id" : "5b8ee10e", "by" : "cstrobl", "date" : ISODate("2018-09-04"), "books" : [ { "$ref" : "books", "$id" : "f430cb49" } ] } { _id: "f430cb49", title: "The Core", author: [ "Peter V. Brett" ], published_date: ISODate("2017-09-28"), pages: 880, language: "English", publisher_id: "Harper Collins", available: 2 }
7. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Multi Document Transactions
8. https://pixnio.com/de/landschaften/blatt-blatter/grunes-blatt-flora-natur-baum-sommer-garten
 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Requirements 8 // start transaction // update first collection // query second collection // update third collection // commit transaction • ACID • Conversational, multi-statement
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 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ How To Get From There to Here 9 Wired Tiger MVCC 3.0 - 3.4
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 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ How To Get From There to Here 10 Logical Sessions 3.6 Retryable Writes
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 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ How To Get From There to Here 11 update : { lsid : 1, txnNum : 1}, updates: […] update : { lsid : 1, txnNum : 1}, updates: […] { ok : 1} Retryable Writes IO Exception
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 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ How To Get From There to Here 12 Replica Set Transactions Sharded Cluster Transactions 4.0 4.2 (under development)
13. Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ https://github.com/christophstrobl/mongodb-bookstore
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 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Reactive Multi Document Transactions 14 return mongoOperations.inTransaction().execute(action "-> { return action.save(order) .flatMap(order "-> { return action.update(Book.class) .matching(query( where("id").is(book.id) .and("available").gt(0))) .apply(new Update().inc("available", -1)).first() .flatMap(result "-> { if (result.getModifiedCount() "== 0) { throw new BookSoldOutException(book); } return Mono.just(order); }); }); }).next(); Flux.usingWhen(() "-> session, ClientSession"::commitTransaction, ClientSession"::abortTransaction, session "-> … ) @Transactional public Mono insertDocuments() @Deprecated public ReactiveSessionScoped inTransaction()
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 License: PD Unless otherwise indicated, these slides are © 2013-2018 Pivotal Software, Inc. and licensed under a Creative Commons Attribution-NonCommercial license: http://creativecommons.org/licenses/by-nc/3.0/ Summary & Outlook 15 Transactions are multi-document, multi-collection, conversational. They fit in well to existing Spring transaction paradigms.

16. > Stay Connected. MongoDB 4.0 & SpringData Lovelace Releases are out now!
 Get started with Spring Boot 2.1.M4. #springone @s1p https://www.mongodb.com/transactions http://projects.spring.io/spring-data-mongodb/
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