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STEP ON IT! Rapid Event-Based AWS Cost Control With Step Functions Damien Jones (he/him) AWS Consultant @ Steamhaus 2025-04-02 DevOps Manchester x DTX Manchester

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MY AWS ACCOUNT

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MY BILL

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LOL ROFL LMAO ETC

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NOPE

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AGENDA WHY DID THIS HAPPEN? WHAT DID I DO? HOW DID I BUILD IT?

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BUT FIRST Hi.

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AWS Consultant​ Content Creator​ Dog Dad​ Steam h au s UK amaz o n web s h a r k .c o m to this noodle AWS Certified​ x3

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AWS User Group Leader​ AWS Community Builder​ Lanca s h ir e UK D ata Categ or y

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WHY DID THIS HAPPEN?

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AWS GLUE

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COSTS: 2024 JUNE

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COSTS: 2024 H1

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COSTS: 2024 JUNE

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COST & USAGE: API OPERATION

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COST & USAGE: API OPERATION - TAX

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COST: API OPERATION – GLUE JOB RUN

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COST: API OPERATION – GLUE INTERACTIVE SESSION

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COST & USAGE: API OPERATIONS

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COST & USAGE: API OPERATIONS

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WHAT’S AN INTERACTIVE SESSION?

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COST DRIVER #1: OPEN SESSIONS

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COST DRIVER: ACTIVE SESSION

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COST DRIVER: ACTIVE SESSION

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COST DRIVER #2: MULTIPLE SESSIONS

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COST DRIVER: MULTIPLE SESSIONS ONE TAB ONE SESSION ONE BILLABLE RESOURCE

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COST DRIVER: MULTIPLE SESSIONS MANY TABS MANY SESSIONS MANY BILLABLE RESOURCES!

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THE CAUSE

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WHAT DID I DO?

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OPTION ONE: PARAMETER ADJUSTMENT Change the timeout value manually.

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OPTION TWO: DENY PERMISSIONS Stop anyone from starting a session.

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PERMISSION BLOCKING

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LOCAL SESSIONS

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LOCAL SESSIONS

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OPTION THREE: EVENT-BASED AUTOMATION Automate all the things.

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EVENT-BASED AUTOMATION SOURCE BUS TARGET

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EVENT-BASED AUTOMATION AWS GLUE AMAZON EVENTBRIDGE AWS STEP FUNCTIONS

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EVENT-BASED AUTOMATION FAST RESILIENT SCALABILITY

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EVENT-BASED & EVENT-DRIVEN

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JAMES EASTHAM @SERVERLESSJAMES Developer Advocate @ Datadog Ex AWS

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EVENT-DRIVEN SYSTEM EVENT-BASED SYSTEM BUSINESS FOCUSED TECHNICAL FOCUSED

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EVENT-DRIVEN SYSTEMS PIZZA COOKED REVIEW LEFT BUSINESS EVENTS

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BIGGER OVEN EVENT-DRIVEN SYSTEMS PIZZA COOKED MORE PIZZAS BUSINESS EVENTS + =

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EVENT-DRIVEN SYSTEMS REVIEW LEFT FEEDBACK COSTS REDUCED BUSINESS EVENTS CHEAPER REVIEW PLATFORM + =

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EVENT-BASED SYSTEMS SUCCESSFUL LOGIN RELATIONAL DATABASE WRITE TECHNICAL EVENTS

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REMOVE LOGIN REQUIREMENT EVENT-BASED SYSTEMS LOGIN SUCCESSFUL TECHNICAL EVENTS EASIER TO REVIEW + =

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RELATIONAL DATABASE WRITE EVENT-BASED SYSTEMS TECHNICAL EVENTS REARCHITECT DATABASE LESS DEVELOPER OVERHEAD + =

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EVENT-DRIVEN SYSTEM EVENT-BASED SYSTEM LANGUAGE OF BUSINESS LANGUAGE OF TECHNOLOGY

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HOW DID I CREATE IT?

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ARCHITECTURE DIAGRAM

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ARCHITECTURE DIAGRAM

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ARCHITECTURE DIAGRAM

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ARCHITECTURE DIAGRAM 1-3

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GLUE CREATESESSION EVENT

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GLUE CREATESESSION EVENT

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ARCHITECTURE DIAGRAM

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ARCHITECTURE DIAGRAM 3-5

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EVENTBRIDGE RULE – EVENT PATTERN

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EVENTBRIDGE RULE – EVENT PATTERN

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EVENTBRIDGE RULE – INPUT TRANSFORMER

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EVENTBRIDGE RULE – INPUT TRANSFORMER

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ARCHITECTURE DIAGRAM

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ARCHITECTURE DIAGRAM STEP F

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WAIT

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STOP

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STOP

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STOP

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SNS

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STEP FUNCTIONS STUDIO

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DEMO: GLUE

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DEMO: GLUE

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DEMO: STEP FUNCTION

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OUTCOMES

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GLUE INTERACTIVE SESSIONS 2024 H2

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ARCHITECTURE COSTS 2024 H2

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LIMITATIONS REACTIVE SOLUTION STILL SOME GLUE COST POTENTIAL WORKFLOW COST

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OTHER APPLICATIONS: STOP OTHER SERVICES AMAZON SAGEMAKER AMAZON EMR AMAZON EC2

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OTHER APPLICATIONS: PERFORM OTHER ACTIONS EMAIL & SLACK NOTIFICATIONS BESPOKE LOGGING TRIGGER SEPARATE WORKFLOW

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SUMMARY

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AGENDA FIND THE CAUSE CONSIDER YOUR OPTIONS BUILD A SOLUTION

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THANK YOU Me, Session Resources AWS User Group Lancashire