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1. #ServerlessApplications E V E N T M A N A G E M E N T @JONATHANFMILLS

2. To the cloud To The Cloud!

5. Dilbert

9. GraphQL Event Manager Functions

13. What does it take to add a user?

14. POST: Add User

15. POST: Add User Add User Message

16. POST: Add User Audit Permissions AD Integration Add User Message

17. POST: Add User Audit Permissions AD Integration Add User Message

18. Event Manager

19. Service Bus

20. Event Hub

21. Event Grid

22. Event Grid Event Hub Service Bus What do we use?

23. VS Event Message

25. An event is a lightweight notiﬁcation of a condition or a state change.

26. The publisher of the event has no expectation about how the event is handled.

27. The consumer of the event decides what to do with the notiﬁcation.

28. Discrete Series

29. Discrete events report state change and are actionable. To take the next step, the consumer only needs to know that something happened.

30. The event data has information about what happened but doesn't have the data that triggered the event.

31. Discrete Series

32. Series events report a condition and are analyzable. The events are time-ordered and interrelated.

33. The consumer needs the sequenced series of events to analyze what happened.

36. A message is raw data produced by a service to be consumed or stored elsewhere. The message contains the data that triggered the message pipeline.

37. The publisher of the message has an expectation about how the consumer handles the message. A contract exists between the two sides.

38. I need a response…

41. Event Grid use a publish-subscribe model to handle events.

42. Publishers emit events, but have no expectation about which events are handled.

43. Subscribers decide which events they want to handle.

44. Event Grid routes events from both Azure and non-Azure resources.

45. Event Grid isn't a data pipeline, and doesn't deliver the actual object that was updated!!!

47. Event Grid supports dead-lettering for events that aren't delivered to an endpoint.

48. Dead Lettering?

49. Dead Lettering? Message that is sent to a queue that does not exist Message length limit exceeded. Message length limit exceeded. Message is rejected by another queue exchange. Message reaches a threshold read counter number Queue length limit exceeded.

50. dynamically scalable serverless low cost at least once delivery

53. Azure Event Hubs facilitates the capture, retention, and replay of telemetry and event stream data. The data can come from many concurrent sources.

54. Azure Event Hubs facilitates the capture, retention, and replay of telemetry and event stream data. The data can come from many concurrent sources.

55. Event Hubs allows telemetry and event data to be made available to a variety of stream-processing infrastructures and analytics services.

56. It is available either as data streams or bundled event batches.

57. A single solution that enables rapid data retrieval for real- time processing as well as repeated replay of stored raw data.

58. A single solution that enables rapid data retrieval for real- time processing as well as repeated replay of stored raw data.

59. It can capture the streaming data into a ﬁle for processing and analysis.

60. low latency at least once delivery millions of events per second

63. Service Bus is intended for traditional enterprise applications.

64. These enterprise applications require transactions, ordering, duplicate detection, and instantaneous consistency.

65. Service Bus can connect existing on-premises systems to cloud solutions.

66. Works as Queue OR Subscription

68. How those play with real examples

70. Functions

71. On Demand

72. No InfrastructureOn Demand

73. Code in response to eventsNo InfrastructureOn Demand

74. On Demand Code in response to eventsNo InfrastructureOn Demand

75. What Events?

76. a HTTP Event CosmosDB Blob StorageStorage Queue

77. Event Grid Event Hub Service Bus

78. Function is a little misnomer. Think of it as an app. Durable Functions are possible now

80. GraphQL

81. GraphQL

82. GraphQL

83. GraphQL

84. GraphQL

85. { "firstName": "Jon", "lastName": "Mills", "dob": "1/1/1999", "title": "Consultant" }

86. { "_id": "5d73b3ae9aeb47e81242100a", "index": 0, "guid": "c3d8d460-bc6f-4956-9f89-d499f68b7128", "name": “Jonathan Mills", "gender": "male", "company": "BUNGA", "isActive": false, "picture": "http://placehold.it/32x32", "age": 38, "eyeColor": "blue", "email": “jonathandfmills@gmail.com“, "phone": "+1 (876) 546-3397", "address": "820 Hendrix Street, Bladensburg, Pennsylvania, 2902", "about": "Voluptate reprehenderit ullamco in ad labore eiusmod officia ut. Sint proident excepteur occaecat aliquip dolor tempor in. Do quis esse aute nostrud proident deserunt proident commodo minim nulla qui et.rn", "registered": "2018-03-17T10:36:24 +05:00", "latitude": -34.569843, "longitude": -70.319078, "tags": [ "Lorem", "amet", "in", "officia", "minim", "nulla", "veniam" ], "friends": [ { "id": 0, "name": "Robles Buckley" }, {

87. "email": “jonathandfmills@gmail.com“, "phone": "+1 (876) 546-3397", "address": "820 Hendrix Street, Bladensburg, Pennsylvania, 2902", "about": "Voluptate reprehenderit ullamco in ad labore eiusmod officia ut. Sint proident excepteur occaecat aliquip dolor tempor in. Do quis esse aute nostrud proident deserunt proident commodo minim nulla qui et.rn", "registered": "2018-03-17T10:36:24 +05:00", "latitude": -34.569843, "longitude": -70.319078, "tags": [ "Lorem", "amet", "in", "officia", "minim", "nulla", "veniam" ], "friends": [ { "id": 0, "name": "Robles Buckley" }, { "id": 1, "name": "Kirk Ashley" }, { "id": 2, "name": "Tameka Kelley" } ], "greeting": "Hello, Mandy Watts! You have 1 unread messages.", "favoriteFruit": "strawberry" }

89. GraphQL is a query language for your api

91. gql` query PeopleQuery { People { firstName lastName dob Title } } `;

95. gql` query PeopleQuery { People { firstName lastName dob Title } } `;

96. gql` query PeopleQuery { People { firstName lastName dob title age } } `;

97. { "firstName": "Jon", "lastName": "Mills", "dob": "1/1/1999", "title": "Consultant", "age": "38" }

98. GraphQL Subscriptions allow real time updates

100. gql` subscription personAdded($personId: ID!) { personAdded(personId: $personId) { completionMessage } }

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