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SQL Server in the AWS Cloud

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PP slides for a presentation for the Queensland SQL Server User Group that covered application candidates/use cases, SQL performance considerations including road tests of new SQL 2014 performance …

PP slides for a presentation for the Queensland SQL Server User Group that covered application candidates/use cases, SQL performance considerations including road tests of new SQL 2014 performance features on AWS EC2 instances, security, HA/DR and licensing.

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  • 1. SQL Server in the AWS Cloud
  • 2. Who Are We Leading provider of SQL Server services to Corporate and Government clients. We have a team of experienced, Microsoft certified SQL Server professionals that are passionate about the SQL Server technology suite. Rob Risetto – Technical Director 0417 322 000 rob@dbinsight.com.au www.dbinsight.com.au
  • 3. Agenda • • • • • • • • Application candidates and use cases AWS building blocks for SQL Performance considerations SQL Server 2014 and AWS Security High Availability SQL Backups Pricing and SQL Licensing
  • 4. Amazon Web Services (AWS)
  • 5. Application Candidates Web applications with minimal links
  • 6. Application Candidates Applications with varying workloads
  • 7. Application Candidates Applications with varying workloads
  • 8. Application Candidates Applications that require Global Scale
  • 9. Use Cases Disaster Recovery Site for On-Premise
  • 10. Use Cases Replacement of end of life server hardware
  • 11. Use Cases Offsite Backups to AWS S3 storage.
  • 12. Use Cases • Deployment of new “greenfield” solution – Not sure of resources required • New Online service/product • – Uncertain if it will succeed in the market • Fast provisioning for a proof of concept • Require development/test servers to be provisioned at short notice or for limited periods of time. • User training – run up a temporary training environment
  • 13. AWS Terms & Components • EC2 instance – AWS virtual machine • EBS – Elastic Block Store – persistent disk storage • Standard vs Provisioned IOPS • S3 – simple storage service– durable object storage • Glacier – long term archive storage
  • 14. AWS Terms & Components • VPC – Virtual Private Cloud – isolate your VMs into your own network • RDS – Relational Database Service – kind of a managed service for database server • Availability zone (AZ) – data centre in a geographical region • Region – AWS location that houses 1 or more AZs
  • 15. AWS Terms & Components Lets have a look at the AWS Management Console and review the components
  • 16. AWS Performance Considerations Noisy Neighbours – Physical host shared by multiple VMs
  • 17. AWS Performance Considerations • EBS Volumes – network attached disks • Standard EC2 instances - allows from 32 to 128 MB/sec - Aligns with 1 Gbit network card • Higher End EC2 instance allows up to 800 MB/sec - Aligns with 10 Gbit network card • Consider Placement Groups – group EC2 instances to maximise node to node communications. High end instances only
  • 18. AWS Performance Considerations Use EBS Optimised instances - dedicated capacity for EBS I/O
  • 19. AWS Performance Considerations • EBS Volume Types • Provisioned IOPS - delivers within 10 % of the provisioned IOPS performance 99.9 % of the time over a given year - up to 4000/sec 16 KB, or 2000/sec x 32 KB or 1000/sec x 64 KB IO. • Standard – 100/sec with burst into the 100s/sec • First touch penalty – 5 to 50 % - write to each block or full format
  • 20. AWS Performance Considerations • Provisioned IOPS • Needs EBS optimised instance to ensure rate • Drive enough IOs/sec – keep queue length around 5 • Good for high IO needs of Data or Transaction log files • Standard EBS • Use if IO workload is not high – < 100 or so/sec • Use for local backup
  • 21. AWS Performance Considerations • Software Raid EBS for bigger volumes and performance – Raid 0 or Raid 1 • Windows instances – use Red Hat or Citrix paravirtual (PV) drivers – max 25 EBS volumes if using Citrix driver – Otherwise 16 EBS volumes • EBS is block replicated in the AZ to avoid downtime • Use local EC2 instance storage for TempDB
  • 22. AWS Terms & Components SQLIO Tests on m1.xLarge instance 4 x CPUs, 15 GB RAM, EBS Optimised - 128 MB/sec 1 EBS, Raid 2xEBS, 4xEBS, 8xEBS Graphs test data courtesy of David Tan!
  • 23. AWS Performance Considerations EBS Configuration Performance Summary
  • 24. AWS Performance Considerations EBS Configuration Performance Summary
  • 25. SQL 2014 Performance on AWS In Memory OLTP challenge – xLarge vs Large EC2 instance • xLarge - 4 CPUs, 15 GB RAM, data/tlog disk -> 3000 PIOPS EBS volume • Large – 2 CPUs, 7 GB RAM, data/tlog disk -> Standard EBS volume Used Codeplex sample to run Disk Based and In Memory OLTP tests http://msftdbprodsamples.codeplex.com/releases/view/114491 ostress.exe -S.sql2014 -E -dAdventureWorks2012 -Q"EXEC Demo.usp_DemoInsertSalesOrders @use_inmem = 1, @order_count=10000" –n100
  • 26. AWS Performance Considerations SQL Server 2014 – Performance Features on AWS
  • 27. SQL 2014 Performance on AWS Buffer Pool Extension Challenge – OLTP and DW workload Improvement?? Test environment :• C3.Large instance, 2 CPUs, 3.75 GB RAM, 2 x 16 GB SSD local storage • HammerDB www.hammerora.sourceforge.net to generate OLTP and DW workload • Ran tests with and without BPE • Ran DW test with 1 Query set of 22 queries – compared Elapsed time • Ran OLTP test for 5 minutes – compared Transaction Rate/sec
  • 28. SQL 2014 Performance on AWS Buffer Pool Extension Feature
  • 29. SQL 2014 Performance on AWS Buffer Pool Extension Feature -- Enable BPE ALTER SERVER CONFIGURATION SET BUFFER POOL EXTENSION ON (FILENAME = 'Z:SQLBPESQLSSDCache.BPE', SIZE = 10 GB) -- Check BPE status SELECT * FROM sys.dm_os_buffer_pool_extension_configuration -- Check if any pages in BPE SELECT * FROM sys.dm_os_buffer_descriptors -- Disable BPE ALTER SERVER CONFIGURATION SET BUFFER POOL EXTENSION Off
  • 30. SQL 2014 Performance on AWS Buffer Pool Challenge – DW workload Improvement
  • 31. SQL 2014 Performance on AWS Buffer Pool Challenge – OLTP workload – no benefit
  • 32. AWS Security for SQL Server Virtual Private Cloud (VPC) – logically isolated network, private/public subnets
  • 33. AWS Security for SQL Server Security Groups – inbound network firewalls for EC2 instances Specify protocols, ports and source IPs or other Security groups to reach a EC2 Instance
  • 34. AWS Security for SQL Server AWS Security Layers
  • 35. SQL Server High Availability Options SQL Server High Availability Options • Log Shipping • Replication • Database Mirroring • Availability Groups • Native Windows/SQL Cluster NOT POSSIBLE • 3rd Party Windows Clustering software using - WSFC - Block level replication
  • 36. SQL Server High Availability Options SteelEye DataKeeper Clustered Edition - WSFC, No shared disk, works on SQL Standard Edition - Block level replication, compression, SQL Cluster Failover http://us.sios.com/windows-replication-availability-software-smb Youtube video http://www.youtube.com/watch?v=giEg68Ori9M
  • 37. SQL Server High Availability Options • Separate Primary and Secondary in separate Availability Zones • Also useful to failover for maintenance or noisy neighbour issues
  • 38. SQL Server High Availability Options Challenge – On Premise to AWS Availability Group • • • • • Two SQL Servers in separate Availability Zones Third SQL Server located at DBInsight Office Use AWS VPN endpoint Create Customer VPN Gateway Use on premise Router/ADSL equipment – cost less than $200 - Microtik RB951 routerboard - TP Link 8840 T ADSL Modem Router
  • 39. SQL Server High Availability Options Challenge – On Premise to AWS Availability Group AWS Whitepaper http://aws.amazon.com/whitepapers/microsoft-wsfc-sql-alwayson/ Cloudformation template used for based configuration installation
  • 40. SQL Server Backups Standard SQL Backup Configuration Use SQL Server 2014 backup encryption for extra protection on the EBS volume. Create Snapshot of system EBS volume, stored on S3 automatically.
  • 41. SQL Server Licensing • SPLA type licensing – license built into EC2 hourly cost • Express edition (free) • Web edition • Standard edition • BYO – Need SA for Mobility Rights • BizSpark Program for start ups
  • 42. AWS Pricing • AWS has pricing on their web site – refer to the correct region • EC2 Instance pricing - On – Demand instance - Reserved Instance • AWS Online calculator http://calculator.s3.amazonaws.com/calc5.html
  • 43. DBInsight Contact Details Rob Risetto 0417 322 000 rob@dbinsight.com.au www.dbinsight.com.au Take Cloud Readiness Survey – Get 1 hour free consultation http://dbinsight.com.au/dbinsight/consulting/sql-in-thecloud/cloud-readiness-assessment Free 14 day trial SQL Server Cloud Monitoring http://dbinsight.com.au/dbinsight/dbinsight-monitor

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