This presentation shows how Temporal solves many problems when building highly resilient and scalable applications

1. Fault tolerant, distributed
Microservices orchestration
with Temporal
CEO/Cofounder @temporalio
@mfatee
v
Maxim Fateev
Developer Advocate @temporalio
@tsurdilo
Tihomir Surdilovic

2. Learn about Temporal
Web: temporal.io
Community: community.temporal.io
Docs: docs.temporal.io
GitHub: github.com/temporalio
Meetups: temporal.io/meetup
YouTube: tinyurl.com/rc46ww49
@temporalio
product@temporal.io

3. Trusted by
https://docs.temporal.io/blog/tags/case-study/
Case studies

4. Project History
2004
Amazon
SWF
2014
Azure
Service Bus
Azure
Durable
Task
<-2015->
Uber
Cherami
Uber
Cadence
2015 2019
Temporal

5. Example: money transfers
MoneyTransferWorkflow.java

6. Transfer
Naive Implementations
Client
Banking Service
Banking Service

7. State store
DB
Transfer
Client
Banking Service
Banking Service

8. State machine, and more
Timers
Transfer
DB
Client
Banking Service
Banking Service
Threads

9. Scaling and bottlenecks
DB
Threads Timers
Transfer
Client
Banking Service
Banking Service

10. Workflows Activities
Introducing Temporal
Temporal Server
Events Events
Timers Timers
Queuin
g
Queuin
g
Transactions
Client
Service
Banking Service Banking Service
Completed
Completed!

11. DEMO!
/tsurdilo/money-transfer-demo

12. Temporal SDKs
MoneyTransferWorkflow.java
moneytransfer-workflow.go
MoneyTransferWorkflow.php
moneytansfer-workflow.ts

13. Frameworks Prog. Languages
…
Dev. Env.
…
Testing
…
JUnit
Testify
Mockito
PHPUnit
Unintrusive approach
Dev

14. Transfer Completed
Withdraw Deposit
MoneyTransfer WF History
Workflow Activity Activity
Complete
Withdraw
Complete
Deposit
Start Transfer
Temporal
Server
Client
Banking Service Banking Service
Completed!

15. Workflow
Execution History
Resuming execution after failure
Commands
Client Application

16. Workflow
Execution History
1. WorkflowExecutionStarted (transfer)
2. WorkflowTaskScheduled
3. WorkflowTaskStarted
4. WorkflowTaskCompleted
5. ActivityTaskScheduled (withdraw)
6. ActivityTaskStarted (withdraw)
7. ActivityTaskCompleted (withdraw)
8. WorkflowTaskScheduled
9. WorkflowTaskStarted
Resuming execution after failure
Commands
ScheduleActivity: withdraw
Client Application
ScheduleActivity: deposit

17. Temporal Server Deployment
Binary
Cloud
Deploy on
Bare Metal

18. Thank you!
Web: temporal.io
Community: community.temporal.io
Docs: docs.temporal.io
GitHub: github.com/temporalio
Meetups: temporal.io/meetup
YouTube: tinyurl.com/rc46ww49
@temporalio
product@temporal.io