Successfully migrating existing databases to Azure
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In this session, you will learn the difference between Azure SQL Database, SQL Managed Instances, Elastic Pools, and SQL Virtual Machines. You will learn how to use tools to test migrations for issues before you start the migration process. You will learn how to successfully migrate your database schema and data to the cloud. Finally, you will learn how to determine which performance tier is a good starting point for your existing workload(s) and how to monitor your workload overtime to make sure your users have a great experience while you save as much money as possible.
![Pricing Models
DTU/vCore
[single
database]
eDTU/vCore
[elastic pool]
Hyperscale
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Successfully migrating existing databases to Azure
- 1. Topics Click to edit Master text styles • Second level • Third level − Fourth level • Fifth level Successfully migrate existing databases to Azure SQL Database John Sterrett Principal Consultant
- 2. Common Migration failures Plan Test Execute Manage
- 3. Free Reference Material Videos, ReferenceLinks,Tips, and slide deck can be found at procuresql.com/azure-migration-resources/
- 4. Agenda • Where Should My DataGo? • How do I plan asuccessfulmigration? • How to migrate myData? • How to leverage PaaSBenefits? • What am I responsible for PostMigration (DoesDBAJobgo away)?
- 6. Three reasons people are migrating? 6
- 7. Cost Comparison 7 Qty Item Cost TotalCost FiveYears TenYears 2PowerEdgeR9302xE7-8893v4 (16cores) 54,224.05 $108,448.10 $21,689.62 $10,844.81 8SQL2016 Enterprise Cores(2 CorePack) 14,256.00 $114,048.00 $22,809.60 $11,404.80 Support Power $222,496.10 $44,499.22 $22,249.61 4PowerEdgeR9302xE7-8893v4 (16cores) 54,224.05 $216,896.20 $43,379.24 $21,689.62 16SQL2016 Enterprise Cores(2 CorePack) 14,256.00 $342,144.00 $68,428.80 $34,214.40 Support Power $559,040.20 $111,808.04 $55,904.02 Monthly Yearly Premium Elastic Database -eDTU250 1,398.72 $16,784.64 Support(Standard) 300.00 $3,600.00 Power $0.00 $20,384.64 Premium Elastic Database - eDTU1500 8,370.00 $100,440.00 Support (ProfessionalDirect) 1,000.00 $12,000.00 $112,440.00 P11Single Database 7,001.04 $84,012.48 Support (ProfessionalDirect) 1,000.00 $12,000.00 $96,012.48
- 8. Security Enhancements Firewall Secure Connections DataIn Flight DataAt Rest Audit Threat Detection
- 9. Azure SQL Features… Security Azure Data Sync Active Geo- Replicas Performanc e Insight Automate d Tuning Intellect Query Processing
- 11. Where Should My Data Go? Single Databas e (PaaS) Elastic Pool (PaaS) Managed Instance (PaaS) SQLVM(IaaS)
- 13. What problems does Hyperscale Solve? • What ishyperscale? • It’s anew storage architecture for cloud scaledatabases • Query engine is not changed. • Manage Very LargeDatabases (VLDBs)without the headache of VLDB’s! • Support to 100TB+sizedatabases • Restore VLDB’sin minutes not hours. (snapshots to blobstorage) • Low latency, high throughput disk I/O • Limitations asof 6/1/19? • Doesn’t support Managed Instances or ElasticPools • Migration is one way. Cannot go back without BACPAC • Video: Kevin Farlee at SQLBitson Hyperscale • BOL:Hyperscale with 100TB+ database
- 14. What is DTU? Image Source: Microsoft Docs
- 15. DTU vs vCore? Image Source: Microsoft Docs
- 16. vCore to DTU ratio • Each100DTU in Standard tier requires at least 1vCore inGeneral Purpose tier • Each125DTU in Premium tier requires at least 1vCore inBusiness Criticaltier
- 17. Pricing DTU vs vCore
- 18. What performance tier should we use? Dtucalculator.azurewebsites.net
- 20. How you should find the right performance tier
- 21. How do you successfully Migrate Databases? 22
- 22. Migrating Your Data ToAzure SQL Database +Schema Data Migration=
- 23. Options to Move Your Data… BACKPAC Transactional Replication DataMigration Service RestoreBackup (Managed Instance) Log Shipping/A G (VM)
- 24. Migrating to Azure SQL Database AssessDB (DMA) Prepare Fixes Implement Fixes Export Bacpac Import Bacpac https://azure.microsoft.com/en-us/documentation/articles/sql-database-cloud-migrate/
- 25. Migrate Schema with Data Migration Assistant
- 26. Select Tables to Move
- 27. Deploy with SSMS
- 29. Migrate with Dbatools.io (my favorite)
- 30. How do I make my migration go faster?
- 31. Easy Guide to Quickly Migrating Data Increas e Tier CopyData Reduc e Tier
- 32. Migrating 60GB Database with S0 33
- 33. Migrating a 60gb Database to P1 34
- 34. Overloading during Bulk Insert 35
- 35. How do you manage Azure SQL Databases Today? 36
- 36. Biggest Database Management Mistake.. Create it and forgetit…
- 37. Manage Azure SQL DB Post Migration Business continuity Disaster Recovery Security and Compliance SyncData DataTransfer Monitor and Improve Performance
- 38. High Availability with Failover Groups
- 40. Azure Database Maintenance • Integrity Checks source • Backups • Restores (you control) • Point in Time • Deleted Database • GeoRestore • Index Maintenance • OlaHallengren Solution Works;-) • Statistics Maintenance • GeoReplication / Failover Groups
- 41. Automating Maintenance Tasks •Azure SQLAgent (Managed Instance & VMOnly) • Linked Server • PowerShell • Azure • AzureAutomation • AzureFunctions • Azure Elastic Jobs
- 42. Alerts
- 43. How do you monitor and improve performance?
- 44. DTU Is….. DTU =DTU Percent* DTU Limit
- 45. Calculating DTU ISNULL( d t u _ l imi t , 0) * (SELECT Max(v) FROM (VALUES (avg_cpu_percent), (avg_data_io_percent), ( avg_log_write_percent ) ) AS value( v) ) / 100.0 AS DTU
- 46. SYS.DM_DB_RESOURCE_STATS User Database Captured EveryFifteen Seconds OneHour Historical Data Idle Database hasData
- 47. SYS.RESOURCE_STATS Master Database EveryFive Minutes 14 DaysHistorical Data Idle databases may not haverows
- 48. DTU DMV Example
- 49. Azure Wait Stats
- 50. Azure SQL Database Waits IO_QUEUE_LIMIT Disk Usage LogUsage LOG_RATE_GOVERNOR CPU SOS_SCHEDULER_YIELD bit.ly/azureSQLWaits
- 51. Wait Statistics
- 52. Indexes in Azure SQL Database Automated CreateIndex Automated Drop Index Index Fragmentation Missing Indexes Index Usage Querie s Missing Indexes
- 54. Azure SQL Database Tuning Tools
- 55. Azure SQL Database Performance Tools Query Store DMVs Extended Events AzurePortal Query Performanc e Insight Auto-Tuning Index
- 56. Automatic Tuning
- 57. • FreeHelpful Content • http://azuresqldbresources.procuresql.com/ Thank you! [email protected] @johnsterrett johnsterrett.com procuresql.com linkedin.com/in/johnsterrett