Temporal intro and event loop

Temporal intro and event loop

• 1.
  Fault tolerant, distributed Microservicesorchestration 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 20152019 Temporal
• 5.
  Example: money transfers MoneyTransferWorkflow.java
• 6.
  Transfer Naive Implementations Client Banking Service BankingService
• 7.
  State store DB Transfer Client Banking Service BankingService
• 8.
  State machine, andmore Timers Transfer DB Client Banking Service Banking Service Threads
• 9.
  Scaling and bottlenecks DB ThreadsTimers Transfer Client Banking Service Banking Service
• 10.
  Workflows Activities Introducing Temporal TemporalServer 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 MoneyTransferWF History Workflow Activity Activity Complete Withdraw Complete Deposit Start Transfer Temporal Server Client Banking Service Banking Service Completed!
• 15.
  Workflow Execution History Resuming executionafter 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 Deployon 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