Containers: Easy as Tic-Tac-Toe

Transcript

2. Containers: Easy as Tic-Tac-Toe Utah Oracle User Group Training Days 2023 March 8, 2023 Sean Scott Oracle ACE Director Managing Principal Consultant @oraclesean linkedin.com/in/soscott/ sean.scott@viscosityna.com @ViscosityNA www.viscosityna.com
3. DATABASE RELIABILITY ENGINEERING ⁘ DEVOPS & AUTOMATION 
 HIGH AVAILABILITY ⁘ BUSINESS CONTINUITY ⁘ DISASTER RECOVERY 
 MODERNIZATION ⁘ OBSERVABILITY ⁘ ENGINEERED SYSTEMS AutoUpgrade ⁘ Zero Downtime Migrations ⁘ Patching Real Application Clusters ⁘ Data Guard ⁘ Sharding Docker/Containers ⁘ Terraform ⁘ Ansible Exadata ⁘ Oracle Database Appliance AHF ⁘ TFA ⁘ GIMR ⁘ CHA Sean Scott Oracle ACE Director Managing Principal Consultant @oraclesean linkedin.com/in/soscott/ sean.scott@viscosityna.com @ViscosityNA www.viscosityna.com
4. @ViscosityNA www.viscosityna.com Oracle on Docker Running Oracle Databases in Linux Containers Download a free sample chapter: 
 https:/ /oraclesean.com
5. @ViscosityNA www.viscosityna.com Viscosity’s Oracle ACEs The Oracle ACE Program The Oracle ACE Program recognizes and rewards individuals for their contributions to the Oracle community. Charles Kim CEO | Co-Founder W @racdba W ACE Director Craig Shallahamer Applied AI Scientist W @orapub W ACE Director Rich Niemiec Chief Innovation Officer W @richniemiec W ACE Director Sean Scott Principal Consultant W @oraclesean W ACE Director Gary Gordhamer Principal Consultant W @ggordham W ACE Pro
6. @ViscosityNA www.viscosityna.com Viscosity Pillars and Delivery Models Workshops Assessments Proof of Concepts Training Turnkey Projects Managed Services Oracle • SQL Server • Postgres 
 Performance Tuning 
 Data Replication 
 Data Warehousing Analytics 
 Data Integration 
 ERP Blue Prints Database Upgrades APEX 
 EBS 
 Web/Mobile Apps 
 .Net and C# 
 E-Business Suite 
 SAAS/PAAS Azure Gold Partner 
 Cloud Migrations 
 Engineered Systems 
 Oracle Cloud Partner 
 Google Partner 
 AWS Partner Hybrid Cloud
7. @ViscosityNA www.viscosityna.com Oracle License Management Get the most out of your Oracle investment ZERO DOWNTIME Migrations Performance Health Checks How’s it running? On-Call Support Managed Services Professional Services Where you need it most DBA Services Remote and On-site Apps Oracle APEX SaaS/Paas Custom Development Staff Aug Workforce Capacity on Demand
8. @ViscosityNA www.viscosityna.com Viscosity Pillars and Delivery Models Workshops Assessments Proof of Concepts Training Turnkey Projects Managed Services Oracle & SQL Server PostGres 
 Performance Tuning 
 Data Replication 
 Data Warehousing Analytics 
 Data Integration 
 ERP Blue Prints Database Upgrades APEX 
 EBS 
 Web/Mobile Apps 
 .Net and C# 
 E-Business Suite 
 SAAS/PAAS Azure Gold Partner 
 Cloud Migrations 
 Engineered Systems 
 Oracle Cloud Partner 
 Google Partner 
 AWS Partner Hybrid Cloud @ViscosityNA www.viscosityna.com
9. Oracle License Management Get the most out of your Oracle investment ZERO DOWNTIME Migrations Performance Health Checks How’s it running? On-Call Support Managed Services Professional Services Where you need it most DBA Services Remote and On-site Apps Oracle APEX SaaS/Paas Custom Development Staff Aug Workforce Capacity on Demand @ViscosityNA www.viscosityna.com
10. @ViscosityNA www.viscosityna.com Viscosity’s Oracle ACEs The Oracle ACE Program The Oracle ACE Program recognizes and rewards individuals for their contributions to the Oracle community. Charles Kim CEO | Co-Founder W @racdba W ACE Director Craig Shallahamer Applied AI Scientist W @orapub W ACE Director Rich Niemiec Chief Innovation Officer W @richniemiec W ACE Director Sean Scott Principal Consultant W @oraclesean W ACE Director Gary Gordhamer Principal Consultant W @ggordham W ACE Pro @ViscosityNA www.viscosityna.com
11. @ViscosityNA www.viscosityna.com Oracle on Docker Running Oracle Databases in Linux Containers Download a free sample chapter: 
 https:/ /oraclesean.com
12. @ViscosityNA www.viscosityna.com What Are Containers?
13. Containers are like lightweight Virtual Machines, right?
15. @ViscosityNA www.viscosityna.com vo • cab • u • lar • y
16. @ViscosityNA www.viscosityna.com Stateful Stateless Persistent Immutable Ephemeral Cloud Native Context 
 Builds Layers Images Services Dockerfile Containers Union Filesystems
19. @ViscosityNA www.viscosityna.com Games have structured playing surfaces and rules.
20. @ViscosityNA www.viscosityna.com Services deliver games to players.
21. @ViscosityNA www.viscosityna.com Images include the game rules and playing surface.
22. @ViscosityNA www.viscosityna.com Images are a minimal filesystem & metadata needed to run a service.
23. @ViscosityNA www.viscosityna.com Running an image starts a Container.
24. @ViscosityNA www.viscosityna.com A container is: A process on a host, and; A Union Filesystem.
25. @ViscosityNA www.viscosityna.com Container processes are isolated.
26. @ViscosityNA www.viscosityna.com A Union Filesystem has three layers: A Merge or Union Layer. An Upper Layer. A Lower Layer.
27. @ViscosityNA www.viscosityna.com A Union Filesystem has three layers: A Merge or Union Layer: The game. An Upper Layer: The container. A Lower Layer: The image.
28. @ViscosityNA www.viscosityna.com
29. @ViscosityNA www.viscosityna.com The Upper (merge) layer isn't "real."
30. @ViscosityNA www.viscosityna.com The Upper (merge) layer isn't "real." It's a perceived (calculated) union of: • The game board & rules • Game play
31. @ViscosityNA www.viscosityna.com Containers persist state (moves) in the run-time layer of its Union Filesystem. Containers are stateful.
32. @ViscosityNA www.viscosityna.com Deleting a container removes its Union Filesystem (and its run-time layer). Containers are Ephemeral
33. @ViscosityNA www.viscosityna.com Images are immutable and never change.
34. @ViscosityNA www.viscosityna.com Stalemate!
35. @ViscosityNA www.viscosityna.com Shift the Image Right Moves fall off the game board: Changing an image changes the game!
36. @ViscosityNA www.viscosityna.com Images are immutable and can't persist state information. They are stateless.
37. @ViscosityNA www.viscosityna.com Images = Static Containers = Living
38. @ViscosityNA www.viscosityna.com Containers are Magic!
39. @ViscosityNA www.viscosityna.com How much space do three containers use? 500MB
 + 500MB 
 + 500MB 500MB 500MB
 + 500MB 
 + 500MB 1,500MB 500MB 500MB 500MB +
40. @ViscosityNA www.viscosityna.com Multiple identical containers will share an image.
41. @ViscosityNA www.viscosityna.com Build & Bake Images
42. @ViscosityNA www.viscosityna.com A Dockerfile is a recipe for building images.
43. @ViscosityNA www.viscosityna.com Paper Tic-Tac-Toe Grid
44. @ViscosityNA www.viscosityna.com Image layers are modular and reusable. Layers can be cached and reused among multiple images.
45. @ViscosityNA www.viscosityna.com Paper Game of Sums 3x3 Sudoku Tic-Tac-Toe Grid
46. @ViscosityNA www.viscosityna.com Context is a pantry of image ingredients.
47. @ViscosityNA www.viscosityna.com Ignore files limit and control the build context.
48. @ViscosityNA www.viscosityna.com D @oraclesean e oraclesean.com C https://www.linkedin.com/in/soscott/ ) https://github.com/oraclesean k sean.scott@viscosityna.com P https://youtube.com/@oracle_sean