how aws database migration service enables … aws database migration service enables database...
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© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
April 26, 2017
How AWS Database Migration Service enables database freedomAWS Database Migration Service (DMS) and AWS Schema Conversion Tool (SCT)
Eran Schitzer, Product Management, Amazon Web Services
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Samples and Recipes
https://github.com/awslabs/aws-database-migration-samples
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How can I get to the cloud?How will my on-premises data migrate to the cloud?
How can I make it transparent to my users?
Afterwards, how will on-premises and cloud data interact?
How can I integrate my data assets within AWS?
Can I get help moving off of commercial databases?
Can I move data out?
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Migration used to be cost + complexity + time
Commercial data migration and replication software
Complex to set up and manage
Application downtime
Database-engine-specific application code
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What are DMS and SCT?
AWS Database Migration Service (DMS) easily and securely migrates and/or replicate your databases and data warehouses to AWS
AWS Schema Conversion Tool (SCT) converts your commercial database and data warehouse schemas to open-source engines or AWS-native services, such as Amazon Aurora and Redshift
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When to use DMS and SCT?
Modernize Migrate Replicate
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When to use DMS and SCT?
ModernizeModernize your database tier
Modernize your Data Warehouse
Amazon Aurora
Amazon Redshift
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SCT helps with converting tables, views, and code
SequencesUser-defined typesSynonymsPackagesStored proceduresFunctionsTriggersSchemasTablesIndexesViewsSort and distribution keys
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SCT guidance
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When to use DMS and SCT?
Migrate• Migrate business-critical
applications
• Migrate from Classic to VPC
• Migrate data warehouse to
Redshift
• Upgrade to a minor version
• Consolidate shards into Aurora
Sources:
Targets:
Amazon Dynamo DB
Amazon Redshift
Amazon S3
Amazon Aurora
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When to use DMS and SCT?
Replicate • Create cross-regions Read Replicas
• Run your analytics in the cloud
• Keep your dev/test and production
environment sync
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New SCT Data ExtractorsExtract Data from your data warehouse* and migrate to Amazon Redshift • Extracts through local migration agents
• Data is optimized for Redshift and Saved
in local files
• Files are loaded to an Amazon S3 bucket
(through network or Amazon Snowball)
and then to Amazon RedshiftAmazon RedshiftAWS SCT S3 Bucket
* 1st release supports Oracle v11 and up and Teradata v14 and up
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Why use DMS and SCT?
Secure
Cost Effective
Remove Barriersto Entry
Allow DBFreedom
Keep a Leg inthe Cloud
Easy to Use, butSophisticated…
Near-ZeroDowntime
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What customers are saying about us?
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Our customers…
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Who is saying What about DMS and SCT?
"We migrated hundreds of our clients from our in-house data-center to Amazon RDS Oracle 12c using the AWS Data Migration Service (DMS). Due to this service, we could live-replicate the databases between our data-center and RDS before the migration. That kept the migration down-time to the very minimum. We are very happy with DMS and are planning to use it for Oracle to MySQL migration next”.
”The SCT Assessment Report was the key enabler to allow us to understand the scope of effort required to complete an Oracle to PostgreSQL migration. What was originally thought to be a largely manual task that no one was particularly excited about having to do became a very straight-forward quick and easy process."
“We are in the process of migrating some databases to Amazon Aurora. The ease by which we can do this using the AWS Database Migration Service has simplified this process for us and enabled us to accelerate our migration efforts. The ability to closely monitor the process, the detailed logging feature, and the support we received from AWS have given us a great deal of confidence in a successful migration.”
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Heterogeneous Migration
Oracle private DC to RDS PostgreSQL migrationUsed the AWS Schema Conversion Tool to convert their database schemaUsed on-going replication (CDC) to keep databases in sync until they reached the cutover windowBenefits:
• Improved reliability of the cloud environment• Savings on Oracle licensing costs• SCT Assessment Report let them understand
the scope of the migration
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Scale Up Migration
RDS MySQL to Amazon Aurora MigrationUsed DMS with on-going replication (CDC) to migrate the dataBenefits:
• Aurora handles their larger data storage requirements. Per regulations they are storing 120 TB of data for 2 years
• Reduced cost and improved performance when compared to large MySQL instances
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Homogeneous Migration
RDS MySQL on EC Classic to VPCDatabase ran an end-user application so could not take downtime70 RDS instances have been migratedBenefits:
• Leveraging CDC, they could decrease outage per database to less than 5 mins
• 70 RDS instances have been seamlessly migrated
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Split Migration35 million members on it’s siteMany interdependent applications built over the last 15 years with unique High IOPS requirementsMigration from legacy cloud service to AWSCombination of migration to MySQL on EC2 and Amazon AuroraBenefits:
• DMS reduced the time required to migrate our databases by 40 percent
• Realized 55 percent cost savings by moving some db’s to Amazon Aurora
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Partners
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AWS database migration partners
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How does it work?
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Database migration processStep 1: Convert or Copy your Schema
Source DB or DW
AWS SCT
Native Tool
Destination DB or DW
Step 2: Move your data
Source DB or DW
AWS SCT
Destination DB or DW
AWS DMS
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Customerpremises
Application users
AWS
Internet
VPN
Start a replication instanceConnect to source and target databasesSelect tables, schemas, or databases
® Let AWS DMS create tables, load data, and keep them in sync
® Switch applications over to the target at your convenience
Keep your apps running during the migration
AWSDMS
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Multi-AZ option for high availability
Customerpremises or AWS
AWS
Internet
VPN
AWS DMS
AWS DMS
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Load is table by table
Replication instanceSource Target
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Change data capture (CDC) and apply
Replication instanceSource Target
Update
t1 t2
t1
t2
Transactions Change apply
after bulk load
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Source
Target
What else can I do?
Source
Source
Replication instance
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What else can I do? Target
Source Target
Target
Replication instance
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Source
Take it all—or notTarget
Replication instance
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Homogenous or heterogeneous
SQL Server MySQL
Oracle Oracle
Oracle Aurora
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Warehouses as well
Amazon RedshiftSchema Conversion Tool
S3 Bucket
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© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Demo
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Samples and Recipes
https://github.com/awslabs/aws-database-migration-samples
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© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
The fine print
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Other database migration use cases
Migration of business-critical applicationsMigration from Classic to VPCCheap Read Replicas for OracleRead Replicas for other enginesCross-region Read Replicas for Oracle and SQL ServerAnalytics in the cloudDev/test and production environment syncOngoing replication for BIMinor version upgrade
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Sources for AWS Database Migration Service Customers use the following databases as a source for data migration using AWS DMS:
On-premises and Amazon EC2 instance databases:• Oracle Database 10g–12c• Microsoft SQL Server 2005–2014• MySQL 5.5–5.7• MariaDB (MySQL-compatible data source)• PostgreSQL 9.4–9.6• SAP ASE 15.7+
RDS instance databases:• Oracle Database 11g–12c• Microsoft SQL Server 2008R2–2014. CDC operations are not supported yet.• MySQL versions 5.5–5.7• MariaDB (MySQL-compatible data source)• PostgreSQL 9.4–9.6 • Amazon Aurora (MySQL-compatible data source)
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Targets for AWS Database Migration Service Customers can use the following databases as a target for data replication using AWS DMS:On-premises and EC2 instance databases:• Oracle Database 10g–12c• Microsoft SQL Server 2005–2014• MySQL 5.5–5.7 • MariaDB (MySQL-compatible data source)• PostgreSQL 9.3–9.6• SAP ASE 15.7+
RDS instance databases:• Oracle Database 11g–12c• Microsoft SQL Server 2008 R2 - 2014• MySQL 5.5–5.7 • MariaDB (MySQL-compatible data source)• PostgreSQL 9.3–9.6• Amazon Aurora (MySQL-compatible data source)
Amazon Redshift
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AWS Database Migration service pricing
T2 for developing and periodic data migration tasksC4 for large databases and minimizing time
T2 pricing starts at $0.018 per hour for T2.microC4 pricing starts at $0.154 per hour for C4.large
50 GB GP2 storage included with T2 instances100 GB GP2 storage included with C4 instances
Data transfer inbound and within AZ is free
Data transfer across AZs starts at $0.01 per GB
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Resources available to customers—DMS
Getting Started Guide: Review technical documentation.Features and benefits: Highlights DMS features.Pricing: Prices for replication instances, storage, and data transfer.Support: Post your questions to our Support forum.Java SDK: Java-based API for creating and managing data migration tasks.AWS Command Line Interface: Start and stop replication tasks with simple commands.
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Resources available to customers—AWS Schema Conversion ToolUser Guide: Review technical docs ataws.amazon.com/documentation/SchemaConversionTool/
or choose the Download button.
Download area: Get installation files for the Schema Conversion Tool.
Support forums: Ask questions and review how-to guides.https://forums.aws.amazon.com/forum.jspa?forumID=208.
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