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1 Copyright 2012, Oracle and/or its affiliates. All rightsreserved.
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E-Business Suite Release 12.1 Upgrade Best Practices -
Technical Insight
Udayan Parvate, Director, EBS Release Engineering
Uday Moogala, Senior Principle Engineer, Applications Performance
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The following is intended to outline our general productdirection. It is intended for information purposes only,
and may not be incorporated into any contract. It isnot a commitment to deliver any material, code, orfunctionality, and should not be relied upon in making
purchasing decisions.The development, release, and timing of any features orfunctionality described for Oracles products remains at
the sole discretion of Oracle.
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Agenda
R12.1 Upgrade Overview
R12.1 Supported Upgrade Paths R12.1 Upgrade Resources
R12.1 Upgrade Best Practices to Minimize Downtime
Reference (Customer Upgrade Snapshots and more)
Q&A
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R12.1 Upgrade Overview
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R12.1 Rapid Install (RI)R12.1 Maintenance Pack (MP)
R12.1 was generally available (GA) in May 2009 Via Oracle Software Delivery Cloud (formerly known as ElectronicProduct Delivery (EPD)) and Oracle Stores
Can be used by new and upgrading customers (11.5.9
and above) to go directly to R12.1 If you are on R11i, use R12.1 RI from the software delivery cloud.Follow instructions from the Upgrade Guide: 11i to 12.1 and 12.1.1Release notes
If you are on R12.0.X, use R12.1 MP (7303030) from My OracleSupport (MOS). Follow instructions from R12.1 Maintenance PackInstall Instructions (752619.1)
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EBS R12.1 Release Update Pack (RUP) 3
(12.1.3) Release
EBS 12.1.3 was released in J ul 2010 and deliversbugfixes and targeted functionality enhancements
Available from My Oracle Support (MOS) as a patch
Can ONLY be applied after upgrade to R12.1Currently, EBS 12.1.3 is the latest RUP available for R12.1
EBS 12.1.3 Installation instructions : 1080973.1
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R12.1 Technology Stack
For details Oracle E-Business Suite Release 12.1 Maintenance Pack Installation Instructions (752619.1)
TECHNOLOGY
COMPONENT
VERSION
INCLUDED
11i10CU2
VERSION
INCLUDED
12.0.4 RI
VERSION
INCLUDED
12.1 RI
VERSION CERTIFIED
WITH
MINIMUM REQUIRED
VERSION
Apps Mid tier-Forms/Reports
6.0.8.25 10.1.2.2 10.1.2.3 - 10.1.2.3
Apps Mid tier-
J ava OracleHome/
Apps Mid tier-J DK
1.0.2.2/1.4.2 10.1.3.0/1.5 10.1.3.4/1.6.0 10.1.3.5 10.1.3.4/1.6
Database 9.2.0.6 10.2.0.3 11.1.0.7
10gr2: 10.2.0.5
11gr2: 11.2.0.1, 11.2.0.2,11.2.0.3
10gr2 : 10.2.0.5
11gr1 : 11.1.0.7
11gr2 : 11.2.0.2
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R12.1 Key Facts11i10CU2 R12.0.4 RI R12.1 RI 12.1.3 RUP
#of Product
Schemas209 195
(25 removed,11 added)
201
(25 removed,17 added)
No changes
#file calls in DB
portion of the U
driver
104242 144940 156622 23408
PROD db size
File system size
31 GB
26 GB
45 GB
28 GB
50 GB
28 GB
NA
#files shipped in
RI268359 357778 385755 NA
#of Changed +
New fi les in DB
portion of the U
driver
NA ~95488 ( Vs 11.5.10.2 ) ~104057 ( Vs 11.5.10.2 )
~31843 ( Vs 12.0.4 )
~23474 ( Vs 12.1.1)
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R12.1 Supported Upgrade Paths
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R12.1 Upgrade PathsMinimum EBS suite level for direct upgrade to R12.1
11i9, 11i9CU1, 11i9CU2 or above
11i10, 11i10CU1, 11i10CU2 or above R12.0 and above
Minimum EBS suite level required for database versions
10.2.0.4 requires 11i9CU2
10.2.0.5/11.1.0.7/11.2.0.1/11.2.0.2/11.2.0.3 require 11i10CU2/R12.0.4
Based on R12.1 DB preparation guide (761570.1), certifiedupgrade path options can be categorized into :
A.Upgrade database and EBS level in a single downtime
B.Upgrade database and EBS level in separate downtimes
C.Apply upgrade interoperability DB patches and then upgrade EBS
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R12.1 Upgrade Paths Continued..11.0/11i.X => 12.1
< = 11.5.8
11.5.9/cu1
11.5.10/cu1
12.110.2.0.4
12.1
10.2.0.5
12.111.2.0.1/11.2.0.2
11.2.0.3
12.1
11.1.0.7
11.011i10cu2
A
B ,CB ,C
B ,C
B ,C
B ,C
A. Upgrade database and EBS level in a single downt ime
B. Upgrade database and EBS level in separate downtimes
C. Apply upgrade interoperability DB patches and then upgrade EBS
SOURCE
TARGET
11i9cu2
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R12.1 Upgrade Paths Continued..12.0.X => 12.112.1
10.2.0.4
> = 12.0.4
12.110.2.0.5
12.111.2.0.1/11.2.0.2
11.2.0.3
12.1
11.1.0.7
< = 12.0.3 A
B ,C
B ,C
B ,C
B ,C
B ,C
A
A. Upgrade database and EBS level in a single downt ime
B. Upgrade database and EBS level in separate downtimes
C. Apply upgrade interoperability DB patches and then upgrade EBS
SOURCE
TARGET
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R12.1 Upgrade Resources
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R12.1.3 EBS Data Model Comparison Report
Per product database object comparison between two releases forthe following object types (1290886.1)
Regular tables, Partitioned tables, Index organized tables, Globaltemporary tables, Queued tables
Views, Materialized views, Materialized view logs
Indexes, Sequences, Advanced queues, Packages, Triggers
Available for R12.1.3 Vs (11i9,11i10cu2,12.0.4,12.0.6,12.1.1,12.1.2)
Benefits
Customers can focus on what has changed
Easier to analyze impact on customizations, planned test coverageDifferences viewable for all products in the same report via simple UI
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R12.1.3 EBS ATG Seed Data Comparison Report
Per product EBS ATG Seed data type comparison between two releases(1327399.1) BIP-Defns-Temps, RSG-Metadata, Components, Concurrent Programs, Contents
Descriptive Flexes, Diagnostics, Functions, Integrators, Key Flexes, Security Rules
Layouts, Lookups, Mappings, Menus, Messages, Sequences, Value Sets
Parameter Lists, Printer Styles, Profiles, Request Groups, Request Sets, Responsibilities
Available for R12.1.3 Vs (11i10cu2,12.0.4,12.0.6, 2.1.1) Benefits
Meant for Advanced user with prior knowledge about EBS Seed data delivery
Easier for developers/consultants/testing team to analyze impact on customizations,planned/desired test coverage
Post Go-live, to answer end-user questions
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R12.1 Upgrade Best Practices
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Upgrade Best Practices
Identification of required patches
Prepare a complete list of pre and post patches andrecommended code levels
Keep the system current on AD/ATG/OAM code e.g. latest AD/ATGRUPs on 11i/R12.0 and once on R12.1
High priority patches from MOS. Consolidated Upgrade Patches (CUP) and required one-offs thatneed to be applied in pre-install mode. e.g. EBS R12.1 CUP1(7303029:12.1.0), FIN upgrade patches from 1127593.1
Review Known-issues sections from key documents to determineadditional pre or post upgrade patches: Release notes, MP InstallInstructions
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Upgrade Best Practices Continued..
Patch merging, sequencing and adpatch options
Use non-interactive patching Merge patches (228779.1). Merge NLS patches per language.
Perform uptime maintenance when possible
hot patching of iHelp
Install on test system and point production it. Switch back onceonline help is upgraded online. Saves lot of time
NLS patches, upload patch history and HRGLOBAL (1330470.1)
Use adpatch options such as nomaintainmrc, phtofile, nolink,
nogenform, nogenrep, nocompile jsp, noautoconfig, novalidate(1078973.1)
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Upgrade Best Practices Continued..
Downtime reduction procedures Run autoconfig in parallel on a multi-node system (387859.1)
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Insert Information Protection Policy Classification from Slide 8The above reflects Oracles current development plans which are subject to change at any time
adpatch
workers 1-10
adpatchworkers 1-10
adpatchworkers 1-10
adpatchworkers 1-10
Admin/CM
Server
WebServer
WebServer
FormsServer
DatabaseServer
adpatch
workers 1-10
adpatchworkers 11-20
adpatchworkers 21-30
adpatch
workers 31-40
Upgrade Best Practices Continued..Shared APPL_TOP and Distributed AD
Shared
APPL_TOP
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Upgrade Best Practices Continued..Staged APPL_TOP
Production
Stage
1. Clone1. Clone 4. Sync Patch History
2. Upgrade to R12
2. Upgrade DB
3. Sync APPL_TOP
3. Update DB
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Upgrade Best Practices Continued..
Downtime reduction procedures Use Staged APPL_TOP (734025.1) for regular maintenance
and upgrade Saves time to patch the file system (C/G portion) by using a
patched up copy of production instance file system
Use in 11i => R12.1 upgrade to avoid applying NLS C/G portion
Can use for R12.0.X => R12.1 upgrade and once on R12.1
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Upgrade Best Practices Continued..
Downtime reduction procedures continued.. Use TUMS (The Upgrade Manual Script)
To avoid running tasks not relevant to your system
Import statistics Export statistics gathered during test runs, and import during final
run
Automate as much as possible
Time every activity and deal with bottlenecks
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Upgrade Best Practices Continued..
Downtime reduction procedures continued.. For the duration of the upgrade, consider
Disabling custom triggers and business events
Disabling auditing if enabled
If possible run in noarchivelog mode
Disabling flashback DB
Removing TDE from volume tables
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Pre-upgrade activities Identify and execute tasks that could be completed in a
separate downtime period, prior to the production upgrade Use applicable steps mentioned in the "Downtime reduction" and
Upgrade By Request appendices E and G of the R12.1 upgrade guide
Upgrade RDBMS version to latest certified for the current APPS level (11.2.0.2 / 11.1.0.7 / 10.2.0.5 )
Convert to Oracle Applications Tablespace Model (OATM)
Compacts data, optimizes storage settings and I/O
Other planned HW or OS upgrades
Upgrade Best Practices Continued..
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Pre-upgrade activities continued...
Convert to Multiple Organization architecture (Document210193.1)
Drop MRC schema ( 11.5.10 and above )
Assign post upgrade jobs to specialized CM queue (byrequest_type, see Document 399362.1)
Upgrade Best Practices Continued..
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Pre-upgrade activities continued... Flush all the interfaces, such as Autoinvoice, J ournal entry
import, order import etc..
Review and disable all debug, logging at site,responsibility, user level
Gather stats with GATHER_AUTO option for all schemasclose to the start of downtime
Upgrade Best Practices Continued..
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Pre-upgrade activities continued... Pre-create new large indexes created by upgrade
constrained to indexes on existing columns
Minimize historical data to be upgraded as per businessrequirements Upgrade By Request
Post-upgrade hot-patch of additional historical data outlined in604893.1
Purge old and/or transient data before upgrading
Over 260 standard purge programs in R12
Use new Purge Portal in OAM to administrate
Upgrade Best Practices Continued..
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Purging Use OAM to configure, initiate and monitor purge programs
Set the execution frequency and view program history Programs tagged with the Purge program type
System Administrator >Oracle Applications Manager >Purging/Critical Activities
Upgrade Best Practices Continued..
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Key recommended fixes
Affecting Upgrade Performance AD-Parallel improved scalability: 8917381 (Part of 9179588 AD
CUP)
Forms/reports generation regression with 11g: 8557019
Optimizer:Dynamic Sampling on indexes 12942119 (11.2.0.2) General
Review 244040.1 for latest EBS recommended performance fixes
Upgrade Best Practices Continued..
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Database tier configuration
Maximize SGA and PGA sizing An upgrade only involves 10's of concurrent sessions;
starting rules of thumb ...
log buffer = 30 to 100 Mb
shared pool = 1 to 4 Gb pga target = 3 to 20 Gb
buffer cache = multi Gb, be generous without causingexcessive paging or swapping
Adjust with help from AWR pool advisories
Upgrade Best Practices Continued..
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Database tier configuration
Other upgrade specific init.ora changes If specified, remove db_file_multiblock_read_count
Maximize multiblock I/O sizes
Set job_queue_processes = #of CPUS
adobjcmp.sql (Phases : plb+90 and last+63)
Set parallel_max_servers = 2 X CPUs
Helps with large index creation, stats gathering and some large upg+phase jobs
Need to test with production-like DB server and I/O subsystem
Shutdown other RAC instances
Upgrade Best Practices Continued..
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Batch size and #workers
Batch size 10K is suitable for most installs, you can test other values from 1K up to100K if time allows
# Workers
Starting rule-of-thumb is between 1 and 1.5 x #COREs
It is critical to do multiple rounds of testing, adjusting above settings tomaximize server utilization, but constrained by factors such as
Memory utilization (no swapping/ excessive paging)
CPU utilization (scale down if at 100%)
I/O response times (scale down if averages > 20 ms)
Upgrade Best Practices Continued..
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Performance testing, monitoring and additional
optimizations... Analyze long runners via timing report, ad_task_timing analysis Mine ad_task_timing to identify low worker utilization due to phasing
waits and review responsible culprits
Review targeted AWR Instance and SQL reports awrrpt.sql and awrsqrpt.sql
Use My Oracle Support to check for known issues and workaroundsfor the longest running jobs
Upgrade Best Practices Continued..
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Performance testing, monitoring and additional
optimizations continued... Outside-the-box optimizations Requires Support Approval* Long running index creation and Statistics gathering
As these tasks run with little or no concurrent tasks,consider using alter system commands to increaseparallel_max_servers and pga_aggregate_target
(Need to test so as to not exhaust machine resources)
Large indexes: Pre-create, but do not alter columndefinitions
For stats (adsstats.sql ; phase: last+63) : Consider statsimport or on RAC using all nodes when gathering stat
Upgrade Best Practices Continued..
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Performance testing, monitoring and additional
optimizations continued... Outside-the-box optimizations Requires Support Approval* Long running mv related xdfs (en phases)
Cleanup and truncate large MV logs (requires MV complete refresh)
Look more closely at long running jobs that you suspect may not be required for
your system Thousands of jobs and customer product/data/setup configurations
Some of the heavy lifting work may not be required for a specific site
Check with Oracle Support to validate
A fix maybe available or possible to optimize for your case
New 12.1.3 AD timing report by module
Upgrade Best Practices Continued..
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Appendix
Customer Upgrade Snapshots
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Toyota Motor Europe Release: 11.5.9+ on IBM AIX to R12.1.3 on Oracle Linux 5 Appl tier DB size: 800 GB
#Workers: 32
#CPUs on DB server: 8 cores
Downtime reduction measures
Online NLS patch application
#hrs for the 12.1.1 D driver: 21 hrs
#hrs for the 12.1.3 US upgrade: 4 hrs
#hrs for the 4 languages NLS patching 11 hrs
Customer Upgrade Snapshots Continued...11i to 12.1.3
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Customer Upgrade Snapshots11i to 12.1
CPS (Chicago Public Schools) Release: 11.5.10.2 to 12.1
DB size: 900GB
#Workers and batch size: 32, 10000
#CPUs on DB server: 2 node RAC, 8 CPUs per node
Downtime reduction measuresDistributed AD
Upgrade RDBMS to 10.2.0.4 in a separate downtime
#hrs for the D driver: 22 hrs
Customer snapshothttp://www.oracle.com/customers/snapshots/chicago-public-schools-ebs-snapshot.pdf
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Customer Upgrade Snapshots Continued...11i to 12.0.6
Cisco Release: 11i to R12.0.6
DB size: 600GB
#Workers and batch size: 32, 20000
#CPUs on DB server: 16 Downtime reduction measures
Distributed AD
#hrs for the D driver: 5.5 hrs
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Customer Upgrade Snapshots Continued...11i to 12.1.3
Dell Release: 11i10 to R12.1.3
DB size: 15TB , 16 node RAC Cluster
#Workers and batch size: 32, 10000
#CPUs on DB server: 8 Downtime reduction measures
Distributed AD
Pre-create large indexes
#hrs for the D driver: ~30 hrs
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Customer Upgrade Snapshots Continued...11i to 12.1
GE
Large EBS HRMS Implementation (~300K employees,10 Lang) Release:11.5.10.2 to R12.1.3
DB size: 838 G
Hardware: App Tier- 2 SUN T5240s(64x64),
DB Tier - SUN M8000 (12 Dual Cores) #Workers and batch size per App Server: 48, 10000
Downtime reduction measures
Distributed AD, Staged APPL_TOP
#hrs for D driver:~10 hrs US, ~13 hrs NLS (11.5.10.2 -> R12.1.1)
#hrs for DB Portion:~2.5 hrs US, ~1 hr NLS (R12.1.1 -> R12.1.3)
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Customer Upgrade Snapshots Continued...12.0 to 12.1
Zebra Technologies Corporation Release: 12.0.6 to 12.1 DB Size: 106GB
#Workers and batch size: 32, 10000
#CPUs on DB server: 8
Downtime reduction measures Staged APPL_TOP
#hrs for the U driver: 12 hrs
Customer snapshothttp://www.oracle.com/customers/snapshots/zebra-technologies-corporation-ebs-snapshot.pdf
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Oracle GSI Release: 12.0.3+ to R12.1
DB size: 17TB
#Workers and batch size: 60, 10000
#CPUs on DB server: 88 processors
Downtime reduction measuresStaged APPL_TOP for US and ten languages
Ran data fixes for problems found in test upgrades prior to productionupgrade to minimize stoppages
Distributed AD (4 servers,15 workers each)
Pre-create large indexes (6 hrs savings)
#hrs for the D driver: 14 hrs
Customer Upgrade Snapshots Continued...12.0 to 12.1
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Oracle GSI Release: 12.1+ to R12.1.3
DB size: 17TB
#Workers and batch size: 200, 10000
#CPUs on DB server: 150 processors
Downtime reduction measuresStaged APPL_TOP for US and ten languages
Ran data fixes for problems found in test upgrades prior to productionupgrade to minimize stoppages
Distributed AD (4 servers, 50 workers each)
Pre-create large indexes
#hrs for the D driver: 4 hrs
Customer Upgrade Snapshots Continued...12.1 to 12.1.3
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AT&T Release: 12.0+ to R12.1.2
DB size: 10 TB
#Workers and batch size: 40, 10000
#CPUs on DB server: 32 Processors
Downtime reduction measuresStaged APPL_TOP for US and ten languages
Distributed AD
#hrs for the D driver: 9 hrs
Customer Upgrade Snapshots Continued...12.0 to 12.1.2
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References
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References R12.1 documentation roadmap (790942.1)
Oracle E-Business Suite Release 12.1 Info center (806593.1)
Database preparation guidelines for R12.1 upgrade (761570.1)
Patching FAQs (459156.1, 225165.1)
Using staged or shared APPL_TOP and distributed AD (734025.1, 384248.1,236469.1)
OAM Patch Wizard overview and FAQ (976188.1, 976688.1)
AD Command Line Options for Release R12 (1078973.1)
EBS 12.1.3 Data Model Comparison Report (1290886.1)
EBS ATG Seed Data Comparison Report (1327399.1)
Recommended Performance Fixes (244040.1)
R12 Upgrade Sizing & Best Practices (399362.1)
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Additional Resources
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Additional Resources
White papers
Planning Your Oracle E-Business Suite Upgrade from Release 11i toRelease 12.1 (987516.1)
R12 Upgrade considerations by product: Financials (889733.1)
Oracle E-Business Suite Upgrades and Platform Migration(1377213.1)
Have upgrade questions ?
Post on OTN R12 upgrade forum
http://forums.oracle.com/forums/forum.jspa?forumID=395&start=0
New!
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Q&A
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