improving maintenance and reducing patching downtime in 11i ric ginsberg vice president applications...
TRANSCRIPT
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Improving Maintenance and Reducing Patching Downtime in 11i
Ric Ginsberg
Vice PresidentApplications Release EngineeringOracle Corporation
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Topics
Patching Best Practices
Enhancements In Release 11i
Maintenance Initiatives
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Best Practices (#1)
Schedule periodic downtime for proactive maintenance
Keep up-to-date on latest AD code
Keep your test system current with production
Perform “uptime” maintenance– Gather schema stats
– Patch help system
– Apply translation database updates
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Best Practices (#2)
Use a shared APPL_TOP and Distributed AD
Avoid extent allocation errors with autoextend
Combine patches with AD Merge Patch Use AD Patch ‘novalidate’ option
(default as of AD.H)
Use a staged APPL_TOP
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Enhancements InRelease 11i
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11i Installation Enhancements
Eliminates error prone OUI/ORCA based install
Uses Cloning architecture
Installs in about an hour
Installs translation filesystem (11.5.9)
Rapid Install “-techstack” option
– iAS 1.0.2.2.2
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11i Performance Enhancements (#1)
Faster driver read (50x faster)
Faster prereq checking
Faster file copy
Faster Patch History processing
Reduced worker idle time
Increased worker parallelism
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11i Performance Enhancements (#2)
Create PL/SQL packages directly
Generate reports in parallel
Significant performance tuning for:– FNDLOAD– AKLOAD
– Multi-Lingual Synch
Synchronize Multi-lingual tables in parallel
Tuning based on large volume upgrade tests
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11i Patch Utility Enhancements (#1)
Checkfile feature– Activated with database drivers
– Records file and version information in the database
– Executes commands only if they have not executed previously for the highest onsite version of the file
– Eliminates need for package revision cache
Automatic job deferral– Re-tries failed jobs at the end of the phase
– Replaces auto restart
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11i Patch Utility Enhancements (#2)
Unified Driver– Requires a single AD Patch run
AD Merge Patch improvements– Can merge all patch types and driver types– Characterset is converted during merge– Significant performance improvement
Automated Pre-requisite checking – AD Patch confirms prerequisite is satisfied– Allows for smaller patches, less overhead– Duplicate patch avoidance
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11i Patch Utility Enhancements (#3)
Password Hider– Passwords automatically removed from log files
Manual Step Elimination– Automatically compiles Apps
– Automatically Maintains MRC
– Automatically compiles JSP
Technology Stack Validation Utility– Confirms minimum techstack requirements
– Refers to appropriate MetaLink notes
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11i Patch Utility Enhancements (#4)
Distributed AD– Apply patches using all your middle tier horsepower to
significantly reduce downtime
adworker16…
adworker20
adworker11…
adworker15
adworker06…
adworker10
adpatchadworker01
…adworker05
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Case Study
11.5.5(+) to 11.5.9
300 GB database
Languages: US English & German
Characterset: UTF8
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update 3.5 hours 2.5 hours
Database update 20 hours 10 hours
MultiLingual Synch n/a 9 hours
File Generation 3 hours 3 hours
Total 51 hours
Function US GermanReduction
File system update 3.5 hours 2.5 hours
Database update 20 hours 10 hours
MultiLingual Synch n/a 9 hours
File Generation 3 hours 3 hours
Total 51 hours
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 20 hours 10 hours
MultiLingual Synch n/a 9 hours
File Generation 3 hours 3 hours
Total 51 hours
3.5 hour reduction for file system update:reduced AD overheadfaster driver readprior charset conversion
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 20 hours 10 hours
MultiLingual Synch n/a 9 hours
File Generation 3 hours 3 hours
Total 51 hours
3.5 hour reduction for file system update:reduced AD overheadfaster driver readprior charset conversion
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 14.5 hours 3 hours 40%
MultiLingual Synch n/a 9 hours
File Generation 3 hours 3 hours
Total 51 hours
12.5 hour reduction for database update:checkfile loader performancedirect PL/SQL increased parallelismreduced overhead reduced worker idle
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 14.5 hours 3 hours 40%
MultiLingual Synch n/a 9 hours
File Generation 3 hours 3 hours
Total 51 hours
12.5 hour reduction for database update:checkfile loader performancedirect PL/SQL increased parallelismreduced overhead reduced worker idle
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 14.5 hours 3 hours 40%
MultiLingual Synch n/a 1 hour 90%
File Generation 3 hours 3 hours
Total 51 hours
8 hour reduction MultiLingual Synch:runs in parallelperformance improvements
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 14.5 hours 3 hours 40%
MultiLingual Synch n/a 1 hour 90%
File Generation 3 hours 3 hours
Total 51 hours
8 hour reduction MultiLingual Synch:runs in parallelperformance improvements
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 14.5 hours 3 hours 40%
MultiLingual Synch n/a 1 hour 90%
File Generation 2 hours 2 hours 35%
Total 51 hours
2 hour reduction file generation: parallel report generation less overhead
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 14.5 hours 3 hours 40%
MultiLingual Synch n/a 1 hour 90%
File Generation 2 hours 2 hours 35%
Total 51 hours
2 hour reduction file generation: parallel report generation less overhead
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 14.5 hours 3 hours 40%
MultiLingual Synch n/a 1 hour 90%
File Generation 2 hours 2 hours 35%
Total 25 hours 50%
26 hour total reduction.
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 14.5 hours 3 hours 40%
MultiLingual Synch n/a 1 hour 90%
File Generation 2 hours 2 hours 35%
Total 25 hours 50%
26 hour total reduction.
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 5 hours .5 hour 80%
MultiLingual Synch n/a 1 hour 90%
File Generation .5 hour .5 hour 85%
Total 10 hours 80%
Additional 15 hour reduction using distributed AD.
Function US GermanReduction
File system update 2 hours .5 hour 60%
Database update 5 hours .5 hour 80%
MultiLingual Synch n/a 1 hour 90%
File Generation .5 hour .5 hour 85%
Total 10 hours 80%
Additional 15 hour reduction using distributed AD.
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update none none 100%
Database update 5 hours .5 hour 90%
MultiLingual Synch n/a 1 hour 90%
File Generation none none 100%
Total 6.5 hours 87%
Additional 3.5 hour reduction using staged APPL_TOP.
Function US GermanReduction
File system update none none 100%
Database update 5 hours .5 hour 90%
MultiLingual Synch n/a 1 hour 90%
File Generation none none 100%
Total 6.5 hours 87%
Additional 3.5 hour reduction using staged APPL_TOP.
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Case Study 11.5.5 to 11.5.9
Function US GermanReduction
File system update none none 100%
Database update 5 hours none 90%
MultiLingual Synch n/a none 100%
File Generation none none 100%
Total 5 hours 90%
Additional 1.5 hour reduction “hot patching” translation.
Function US GermanReduction
File system update none none 100%
Database update 5 hours none 90%
MultiLingual Synch n/a none 100%
File Generation none none 100%
Total 5 hours 90%
Additional 1.5 hour reduction “hot patching” translation.
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11i Patch Process Enhancements
50% step reduction in 11.5.9
Recreate Grants and Synonyms
Compile Apps Schema
Maintain MRC
Compile Java Server Pages
Compile Flexfield Data ²
Gather Schema Statistics¹ ²
Generate Message Files ¹
Run multiple patch drivers¹
45% reduction in product steps¹
¹Maintenance Pack only
²Concurrent Request
50% step reduction in 11.5.9
Recreate Grants and Synonyms
Compile Apps Schema
Maintain MRC
Compile Java Server Pages
Compile Flexfield Data ²
Gather Schema Statistics¹ ²
Generate Message Files ¹
Run multiple patch drivers¹
45% reduction in product steps¹
¹Maintenance Pack only
²Concurrent Request
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11i Quality Improvements (#1) Generated database drivers
Internal standards compliance checker– Automatically checks over 200 standards
SQL Repository– Parses over 400,000 SQL statements per release
– Explain plans created against 5 volume databases
Automated testing– WinRunner based infrastructure
– 400% increase in coverage
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11i Quality Improvements (#2) Release Engineering process changes
– Earlier testing of
Product integration
Pseudo-translations
– Additional pre-release testing of
Translations (by countries)
OCS business flows
EBSO customer business flows
Internal production instances
Release Engineering Internal Early Access Program
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11i Translation Improvements
Simultaneous release of all languages for:– Maintenance Packs– Family Packs/Minipacks
Translation escalation process– Usually available next day
Merged translations– Immediate availability with no translation regression
Translation quality improvements– 97% reduction in translation bugs 2001 - 2003
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Configuration Management
OAMContext Editor
OAMContext Editor
AutoConfigAutoConfigRapid Install
config.txt
ApplicationsContext File
<sid> <host>.xml
ApplicationsConfiguration
Templates
GeneratedConfiguration
Files
jserv.propertiesappsweb.cfghttpd.conf
GeneratedDatabaseUpdates
APPS_WEB_AGENTICX_FORMS_LAUNCHERTCF:PORTTCF:HOST
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Oracle Applications ManagerOAM Configuration Context Editor
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Oracle Applications ManagerConfiguration History
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Oracle Applications ManagerCompare and Restore Settings
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Oracle Applications ManagerSearch Patches
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Oracle Applications ManagerSearch Patches – Advanced
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Oracle Applications ManagerPatch Summary
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Oracle Applications ManagerFiles Copied by a Patch
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Oracle Applications ManagerDatabase Driver Actions
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Oracle Applications ManagerFile History
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Oracle Applications ManagerPatch Advisor
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Oracle Applications ManagerCreate Patch Filter
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Oracle Applications ManagerView Advice
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Oracle Applications ManagerView Patch Details
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Oracle Applications ManagerView Patch Impact
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Oracle Applications ManagerPatch Impact Details
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MetaLink Patch Search 2.0Simple Patch Search
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MetaLink Patch Search 2.0Product/Family Search
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MetaLink Patch Search 2.0Saved Search
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MetaLink Patch Search 2.0Advanced Search
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MetaLink Patch Search 2.0Product Name Search
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MetaLink Patch Search 2.0Product Hierarchy Search
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MetaLink Patch Search 2.0Search Results
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MetaLink Patch Search 2.0Saved Searches
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MetaLink Patch Search 2.0Superseded Patch Details
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MetaLink Patch Search 2.0Quick Links
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MetaLink Patch Search 2.0Quick Links Mouseover
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MetaLink Patch Search 2.0Server/Tools Quick Links
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Maintenance Initiatives
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MetaLink Patch Search
Improved flow to download patches
Automated notifications
Translation escalation/merge requests
Electronic Product Delivery
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Install/Cloning Technology
Rapid Install “-techstack” option
– RDBMS 9.2.0.3 / 9.2.0.4
RAC Install
Complex cloning
– Multi-node to single-node
– RAC support
iSetup Integration
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Patching Enhancements
Parallel index creation
In progress patch status
Improved patch reporting
Improved Patch Advisor
Additional impact analysis
Eliminate MRC schema
Concurrent AD sessions
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CP A, BWeb A, BForms A, BAdmin
Multi-Node EnvironmentOne Admin NodeTwo Forms NodesTwo Web NodesTwo Concurrent Processing NodesNot using Shared APPL_TOP
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CP A, BWeb A, BForms A, BAdmin
1) C driver on Admin node2) C driver on Forms node A3) C driver on Forms node B4) C driver on Web node A5) C driver on Web node B6) C driver on CP node A7) C driver on CP node B
8) D driver on Admin node9) G driver on Forms node A10) G driver on Forms node B11) G driver on Web node A12) G driver on Web node B13) G driver on CP node A14) G driver on CP node B
Standard AD
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CP A, BWeb A, BForms A, BAdmin
1) C driver on ALL nodes simultaneously2) D driver on admin node and G driver on all nodes simultaneously
AD Concurrent Sessions
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Linux Migration Utility
Quickly (~8 hours) and easily (~9 steps) migrate middle-tier to Linux
Can cut over with only a few minutes of downtime
Retains current patch level
Retains many customizations
Includes tech stack upgrade
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Linux Migration Utility
Old System(Windows/Unix)
New LinuxMiddle Tier
ARU/MetaLink
Rapid InstallTechstack CDs
Generic files
Tech stack
Port-specific files
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Long-term Initiatives
Fully Distributed AD
“Pre-downtime” patching
– Schema Clone to pre-stage PL/SQL and view changes
Granular linking & generation
Manual step infrastructure
AutoConfig Integration with OEM
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For more Information…MetaLink InformationMetaLink Information Note IDNote ID
Cloning Oracle Applications 11iCloning Oracle Applications 11i 230672.1230672.1
Using AutoconfigUsing Autoconfig 165195.1 165195.1
Oracle Applications ManagerOracle Applications Manager 166762.1166762.1
Using a Shared APPL_TOPUsing a Shared APPL_TOP 233428.1 233428.1
Distributed ADDistributed AD 236469.1 236469.1
Using a Staged APPL_TOPUsing a Staged APPL_TOP 242480.1 242480.1
Linux Migration UtilityLinux Migration Utility 238276.1 238276.1
Maintaining Apps FAQMaintaining Apps FAQ ( (coming soon)coming soon)
MetaLink InformationMetaLink Information Note IDNote ID
Cloning Oracle Applications 11iCloning Oracle Applications 11i 230672.1230672.1
Using AutoconfigUsing Autoconfig 165195.1 165195.1
Oracle Applications ManagerOracle Applications Manager 166762.1166762.1
Using a Shared APPL_TOPUsing a Shared APPL_TOP 233428.1 233428.1
Distributed ADDistributed AD 236469.1 236469.1
Using a Staged APPL_TOPUsing a Staged APPL_TOP 242480.1 242480.1
Linux Migration UtilityLinux Migration Utility 238276.1 238276.1
Maintaining Apps FAQMaintaining Apps FAQ ( (coming soon)coming soon)
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AQ&Q U E S T I O N SQ U E S T I O N SA N S W E R SA N S W E R S