kscope 2013 delphix
DESCRIPTION
Delphix Database VirtualizationTRANSCRIPT
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Database Virtualization and
Instant CloningKyle Hailey
http://dboptimizer.com
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Database Cloning Challenge
Business want data now.
Business don’t understand DBAs.
Databases getting bigger & harder to copy.
Developers want more copies.
Reporting wants more copies.
Everyone has storage constraints.
If you can’t satisfy the business demands your process is broken.
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Two Parts
I. Cloning TechnologyII. Accelerate your business
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Part I : Cloning Technology
3. Virtual2. Thin Provision1. Physical
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=
database
1. Physical Cloning
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Problem
Developers
QA and UAT
Reports
First copy
Production
• CERN - European Organization for Nuclear Research
• 145 TB database• 75 TB growth each year• Dozens of developers want copies.
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workaroundsDevelopers
QA and UAT
ReportsShared
Sub set copy
Production
Many copies
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Physical Clones
Database SubsetsShared Databases
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Subsets
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ProductionThe Production ‘Wall’
Classic problem is that queries that run fast on subsets hit the wall in production.
Developers are unable to test against all data
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Shared Full
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Shared access = Poor Productivity
Developers and tester get frustrated
Databases become old and unrepresentative of production.
Requires complex scheduling and management
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Never enough environments
Average customer makes 12 copies of production- Charles Garry, Database Product Manager Oracle
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Physical CopiesTime consuming
Time to make copies, days to weeksRMAN backup, archive logs, copy data over, recover
Meetings , days to weeksAdmins: System, Storage ,Database ,Network, manager coordination
Space consuming 40 devs x 2.5TB production = 100TB20 report DBs x 40 TB = 800TB
=> bottlenecks
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Setup Develop
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Setup
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Setup Develop
QA
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$40M
$75M
$850M
$27,000M
Storage
IT
Develop
Business
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ERP Project Failures 2011
• NYC CityTime : delays $63 M => $760 M • Montclair Uni: delays sues PeopleSoft• Idaho : delays ERP cost millions
Standish : IT Project Failure Rate
1994 1996 1998 2000 2002 2004 2009
31% 40% 28% 23% 15% 18% 24%
★http://www.galorath.com/wp/software-project-failure-costs-billions-better-estimation-planning-can-help.php*http://www.pcworld.com/article/246647/10_biggest_erp_software_failures_of_2011.html
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Clone 1 Clone 3
99% of blocks are Identical
Clone 2
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2. Thin Provision Cloning
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Clone 1 Clone 2 Clone 3
Thin Provision
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2. Thin Provision Cloning
Cornerstone Technology: File System Snapshots
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Thin Cloning
• Snapshot DB Files @ point in time• Copy off production• Snapshot again• Export over NFS or FC to Host• Recovery Database
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Netapp tr-3761.pdf
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Netapp
Snap Manager
SnapManagerRepository
Protection Manager
Snap Drive
Snap Manager
Snap Mirror
Flex Clone
RMANRepository
Production
Development
DBA
Storage Admin
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NetApp Filer - DevelopmentNetApp Filer - Production
Production Database
Database Luns
Target A
Target B
Target C
Clone 1
Clone 2
Clone 3
Clone 4
Snap mirror
Snapshot Manager for Oracle
Flexclone
Repository Database
Netapp
SnapDrive
Protection Manage
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2. Thin Provision Cloning
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2. Thin Provision Cloning
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3. Database Virtualization
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Virtualization Layer
38
Virtualization
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DatabaseVirtualizationAppliance(DVA)
3 Clones Physical 3 Clones Virtual
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Install Delphix on x86 hardware
x86 hardware
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Allocate Storage to Delphix
Allocate StorageAny type
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One time backup of source database
Database
Production
Instance
File system
RMAN APIs
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Delphix Compress Data
Database
Production
Instance
File system
Data is compressed typically 1/3 size
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Incremental forever change collection
Database
Production
Instance
File system
Changes are collected automatically foreverData older than retention widow freed
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Typical Architecture
Database
File system
Production
Instance
Database
File system
Development
Instance
Database
File system
QA
Instance
Database
UAT
Instance
File system
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Clones share duplicate blocks
Development
Instance
Database
Production
Instance
File system
vDatabase
QA
Instance
UAT
Instance
vDatabase vDatabase
Source Database Clone Copies of Source Database
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Use Cases
1. Development2. Recovery3. Reporting
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1. Development Acceleration
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1: Development Acceleration
a) Developer each get a copy– Fast, fresh, full, frequent– Self service
b) Branchingc) Federated
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Source
FastSource Database
Target HostVirtual
Database
NFS
Fiber
Fiber
RMAN over TCP
No Data Movement
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Source
Fresh
Virtual Database
Fiber
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Source
Frequent
Virtual Database
Virtual Database
Target Hosts
Virtual Database
Virtual Database
Fiber
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Full clones
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Self Service
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1 b) Branching and Rapid QA
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dSource
1 b) Branching
Developer VDB
QA VDB
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Devv2.6 v2.6v2.6
QA UAT
v2.6
v2.6 v2.6v2.6v2.7
v2.6 v2.6v2.6v2.8
v2.6v2.6 v2.6v2.6
v2.6v2.7 v2.6v2.7
v2.6v2.8 v2.6v2.8
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Devv2.6 v2.6v2.6
QA UAT
v2.6Production
v2.6 v2.6v2.6v2.7
v2.6 v2.6v2.6v2.8
Source Control for the database data
v2.6v2.6 v2.6v2.6
v2.6v2.7 v2.6v2.7
v2.6v2.8 v2.6v2.8
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DevProd
2.6
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Dev
QA
Prod
2.6
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Dev
QA
UAT
Prod
2.6
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Dev
QA
UAT
Prod
Dev
QA
UAT
2.6
2.7
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Dev
QA
UAT
Prod
Dev
QA
UAT
2.6
2.7
Dev
QA
UAT2.8
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Dev
QA
UAT
Prod
Dev
QA
UAT
2.6
2.7
Dev
QA
UAT2.8
Data Control = Source Control for the Database
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Dev
QA
UAT
Dev
QA
UAT
2.6
2.7
Dev
QA
UAT
2.8
Data Control = Source Control for the Database
Production Time Flow
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1 c) Federated Cloning
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Source2
Source3
Source1
1 c) Federated sources
Virtual Database
Virtual Database
Virtual Database
Virtual Database
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“I looked like a hero”Tony Young, CIO Informatica
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1. Review Development Use Cases
a) Developer each get a copy
b) QA
c) Federated
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2. Recovery, Testing, Forensics
a) Forensicsb) A/B testingc) Recovery
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Source
2 a) Forensic Analysis
Virtual Database
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Source
2 b) Upgrades, Patches, RAT, A/B
Virtual Database
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• Production vs Virtual– invisible index on Prod– Creating index on virtual
• Flashback vs Virtual• Keep tests for compare
2 b) Upgrades, Patches, RAT, A/B
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2 c) Recovery
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Source
2 c) Logical Recovery Production
Virtual Database
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Source
2 c) Logical Recovery Development
Virtual Database
VDB rolled back
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Source
Recovery
VDB
V2P
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2. Recovery, Testing, Forensics
a) Forensics
b) A/B testing
c) Recovery : Logical and physical
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3: reportinga) Fast refreshes
b) Temporal queries
c) Confidence testing
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Fast Refreshes
• Refresh in minutes• Without data movement• Faster , cheaper
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Temporal Data
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3: reportinga) Fast refreshes
b) Temporal queries
c) Confidence testing
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Review: Use Cases
1. Developmenta) Full, Fresh, Fast , Self Serveb) Branchingc) Federated
2. Recovery, Testing :a) Forensicsb) Testing : A/B, upgrade, patchc) Recovery: logical, physical
3. Reportinga) Fast refreshb) Temporal Datac) Confidence testing
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over 10 times
"perhaps the single largest storage consolidation opportunity history“
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Oracle 12c
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80MB buffer cache ?
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200GBCache
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5000
Tnxs
/ m
inLa
tenc
y
300 ms
1 5 10 20 30 60 100 200
with
1 5 10 20 30 60 100 200Users
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8000
Tnxs
/ m
inLa
tenc
y
600 ms
1 5 10 20 30 60 100 200Users
1 5 10 20 30 60 100 200
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Database Virtualization