Download - Deep Dive: Amazon RDS
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© 2016, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Toby Knight – Manager, Solutions Architecture
April 2016
Deep Dive: Amazon RDS
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Agenda
RDS overviewSecurityHigh availabilityPerformanceData migrationAuroraPricingQuestions
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RDS Overview
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Amazon RDSCost-efficient and scalable
Managed service
Six database engines
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Amazon RDSEasy to set up, operate, and scale a relational database
Automatically patches the database software and backs up your database
Ability to scale the compute resources or storage capacity associated with your relational database instance via a single API call
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Choice of database engines
MariaDB
AMAZONAURORA
Microsoft SQL Server
Oracle DB
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Use cases
Transactional systemsSystems of recordeCommerce, CRM, Finance, HR, Assets, etc, Existing SQL-based workloadsAlmost any relational datasets
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Airbnb chose Amazon RDS
AWS is the easy answer for any Internet business that wants to scale to the next
level.”
Nathan BlecharczykCo-founder & CTO of Airbnb
”
“Airbnb is a community marketplace that allows property owners and travelers to connect with each other for the purpose of renting unique vacation spaces around the world
Airbnb chose Amazon RDS because it simplifies much of the time-consuming administrative tasks typically associated with databases.
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Create MySQL DB instance via CLI
aws rds create-db-instance
--db-name demo \
--db-instance-identifier tobyRDSdemo1 \
--db-instance-class db.t2.micro \
--engine MySQL --master-username admin \
--master-user-password myPassword123 \
--no-multi-az \
--storage-type gp2 \
--allocated-storage 10
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Demo:Create DB Instance via Management Console
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Flipboard relies on Amazon RDS
We were able to go from concept to delivered product in about six months with just a handful of engineers.
Greg ScallanChief Architect, Flipboard
”
“
Flipboard is an online magazine with millions of users and billions of “flips” per month
Uses Amazon RDS and its Multi-AZ capabilities to store mission critical user data
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Security
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RDS Security
VPCSecurity groupsEncryption of data at restSSL encrypted client connectionIdentity and Access ManagementCloudTrail for audit
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RDS and VPC
Select your own IP address rangeCreate subnets and configure routing and access control listsEssential functionality of Amazon RDS the same in a VPC: Amazon RDS manages backups, software patching, automatic failure detection and recoveryNo additional cost to run your DB instance in a VPC
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RDS, VPC and Security Groups
Availability Zone 1
Availability Zone 2
security groupsecurity group
web appserver
RDS Multi-AZ DB Instance
web appserver
Route 53 hosted zone:
www.example.com Auto Scaling group
VPC subnet
VPC subnet
Elastic Load Balancer
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Data encryption
RDS encrypted instances are available for all DB enginesAES-256 encryptionNo need to modify client applicationAchieve compliance with data at rest encryptionManage keys using Key Management System (KMS)All logs, backups and snapshots are encrypted
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Create RDS encrypted instance via console
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Create RDS encrypted instance via CLI
aws rds create-db-instance
--db-name demo \
--db-instance-identifier tobykrdsdemo5 \
--db-instance-class db.m4.large \
--engine MySQL \
--master-username admin \
--master-user-password myPassword123 \
--multi-az \
--storage-type gp2 \
--allocated-storage 10 \
--storage-encrypted \
--kms-key-id e43f6d83-6497-47fd-9edc-ceeb89af0ac3
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SSL encryption for client connections
All RDS DB engines support SSL encryptionRDS creates and installs SSL certificate when instance is provisionedSSL cert uses DB instance endpoint as Common Name to prevent spoof attacksYou can use the GRANT statement to require SSL connections for specific user accounts
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SSL encryption for client connections
Public key is available at:http://s3.amazonaws.com/rds-downloads/rds-combined-ca-bundle.pem
To encrypt connection using mysql client:mysql -h instance.cxyz123.rds-eu-west-1.amazonaws.com \
--ssl-ca=[full path]rds-combined-ca-bundle.pem \
--ssl-verify-server-cert
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Identity and Access Management
RDS resources include:
DB instanceDB clusterDB snapshotDB cluster snapshot[…]
Types of policies:
Identity-based policies (IAM Policies)Resource-based policies
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Identity and Access Management
Use IAM to create role based access control (RBAC)Separation of dutiesPrinciple of least privilegeConsider security within RDBMS
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CloudTrail for audit
Turn on CloudTrail on your AWS AccountConfigure delivery to CloudWatch LogsConfigure SNS notifications for specific API activities
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High availability
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High availability
Backup and restoreMulti-AZ deploymentRead replicasCross region snapshot copyMonitoring
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Scheduled backup via console
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Scheduled backup via CLI
aws rds modify-db-instance \
--db-instance-identifier mysqldemo1 \
--backup-retention-period 30 \
--preferred-backup-window 02:00-03:00 \
--apply-immediately
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Scheduled backup via CLI
aws rds modify-db-instance \
--db-instance-identifier mysqldemo1 \
--backup-retention-period 0 \
--apply-immediately
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Manual backup via console
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Manual RDS instance snapshot via CLI
aws rds create-db-snapshot \
--db-snapshot-identifier myDbSnap \
--db-instance-identifier mysqldemo1
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
Synchronous physical replication
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
Synchronous physical replication
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
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Multi-AZ deployment
Availability Zone 1 Availability Zone 2
security group
mydb1.abc45345.eu-west-1.rds.amazonaws.com:3306
VPC subnetVPC subnet
Synchronous physical replication
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RDS Read replicas
Provide enhanced performance and durabilityScale out beyond single DB instanceIdeal for read-heavy DB workloadsCreate up to 5 replicas per masterIncrease aggregate read throughputRead replicas can be promotedAvailable in MySQL, PostgresSQL, MariaDB and Aurora
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Second-Tier Replicas
Availability Zone
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Second-Tier Replicas
Availability Zone
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Cross region snapshot copy
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Monitoring RDS
Use CloudWatch to monitor health of DB instanceSubscribe to RDS events, e.g. change to DB instance or DB snapshotView, download, watch DB log files using the RDS consoleUse CloudTrail to monitor RDS actions on your AWS account
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CloudWatch for RDS
RDS metrics are available with all DB enginesRDS sends metrics for each DB instance every minuteDetailed monitoring enabled by defaultFor DB specific metrics (e.g. MySQL – insert queries/second) you need to monitor the DB engine itself
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CloudWatch for RDS
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Monitoring RDS – Datadog
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Performance
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Performance
Use the right AWS service for the workload!DB fundamental resources: CPU, memory, disk, networkInstance type and sizeDisk type: P-IOPS, GP SSD, MagneticSQL Data types – VARCHAR(8000) anyone? Indexes and performance tuningRead replicas
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Data migration
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AWS Database Migration Service
Includes schema conversion toolConvert Oracle PL/SQL, SQL Server T-SQL to Amazon Aurora / MySQLSetup data replication task < 10 minutesOne-off or continuous replicationTarget RDS or EC2 based databaseSupported source/target include: Oracle, SQL Server, MySQL, Amazon Aurora and PostgreSQL
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Database Migration Service
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Aurora
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Amazon Aurora
Fast and cost effectiveEnterprise performance and features5x throughput of MySQLCompatible with MySQL 5.6Multi-AZ deploymentsStorage Auto-scalingFault tolerant, self healing storageNo need to replay DB redo logs for crash recoveryIsolates DB cache from DB process
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Create Aurora DB cluster
aws rds create-db-cluster \
--db-cluster-identifier tobykrdsdemo2 \
--engine aurora \
--master-username admin \
--master-user-password loft2016demo1 \
--vpc-security-group-ids sg-13bf4974
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Pricing
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RDS Pricing Example
Item Description Price ($/month)1 x Production DB instance (on Demand)
MySQL, db.m4.xlarge, Multi-AZ
565.11
Provisioned IOPS storage
200GB, 1000 Provisioned IOPS
275.20
Backups 200GB additional 19.00Data transfer out 2GB 0.09Free tier discount -1.99
Total $857.41
Pricing example uses eu-west-1 region. For latest pricing go to http://aws.amazon.com/rds/pricing/
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Thank you!
Toby KnightManager, Solutions ArchitectureAmazon Web Services