what i need to know when upgrading

8/17/2019 What I Need to Know When Upgrading

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Session S317113:

What do I really need to know when upgrading

Thomas Kyte

http://asktom.oracle.com/


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So … What Does Oracle Database 11g ean !o

#hange


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S$all #hange % but think about it…

&et's (o

(reen


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ops$tkyte%ORA11GR2> create table t

2 as

3 select substr(object_name, 1, 1 ) str, all_objects!

" #rom all_objects

orer by bms_ranomranom&

'able create

ops$tkyte%ORA11GR2> create ne t_ on t(str,object_name)&

*ne create

ops$tkyte%ORA11GR2> be+n

2 bms_stats+ater_table_stats

3 ( user, -'-,

" meto_opt .> -#or all nee columns s/e 2"-,

estmate_percent.>100 )&

en&

45675 proceure success#ully complete


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ops$tkyte%ORA11GR2> select count(subobject_name) #rom t t1 8ere str . -'-&

9

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

; * ; Operaton ;


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ops$tkyte%ORA11GR2> nsert nto t

2 select -'-, all_objects!

3 #rom all_objects

" 8ere ro8num I. 1&

1 ro8 create

ops$tkyte%ORA11GR2> be+n

2 bms_stats+ater_table_stats

3 ( user, -'-,

" meto_opt .> -#or all nee columns s/e 2"-,

estmate_percent.>100 )&

en&

45675 proceure success#ully complete


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ops$tkyte%ORA11GR2> select count(subobject_name) #rom t t2 8ere str . -'-&

9

:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

; * ; Operaton ;


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““The Law of unintended consequences holds that almall human actions have at least one unintendedconsequence. Unintended consequences are a commphenomenon, due to the complexity of the world and

human over-condence.”


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What do you ha.e /ro$ the past…

•Online Parameter Changes

•Online Major Memory Changes•Online Schema Eol!tion

•Online "n#e$ Creates

•%!iesce

•&olling 'pgra#es

•Online (isk recon)ig!ration *+SM,•Online Cross Plat)orm Ta-lespace Transport

•!ll (ata-ase Transports

• +n# more.


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What do you need to know"

Test To Scale

SQL PlanManagement

The ability to and let it g

Never

Stopping

Planning Ahead


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0 1232 Oracle Corporation

irst 4 5hat #o 5e nee#to #o6


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S%lan anage$ent


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S& lan anage$ent

hase 2 4 Selection

• Fe5 Plans are generate# *-eca!se something ch

• !t are not tr!ste#– O4'**K@R_A4'?R@_675_45A


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S& lan anage$ent

hase 3 % !voltion

• Plans are eri)ie# 4 -y testing the per)ormance o)

plan in the -ackgro!n#– +!tomagically or Man!ally

lan 5istory

lan aseline

(

8&

8&

D9

(

56

56

E?!al or -etter plans can -e a##e# tothe S% Plan aseline (

8&

8&

"ne))icient plan 5ill-e kept in the

Plan Gistory

(

8&

8&

9


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S& lan anage$ent % ara$eterie

lan 5istory

lan aseline

(

8&

8&

(

56

56

(

8&

8&

&epeata-le plans 5ill -e a##e#to the Plan aseline !pon 1n#e$ec!tion

O4'**K@R_J@A'?R@6_@


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pgrade Scenario

• Io!r application is in Ai

• Io!J# like to hae ?!ery plan sta-ilityJ

– Co!ple# 5ith the opport!nity to !se -etter plans 4 #o no

to -e )ro7en

• Io! 5ill -e changing plat)orms #!ring the !pgra#e

#oing a #irect !pgra#e o) the #ata-ase,• The steps 5o!l# -e.


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S& lan anage$ent % Outlines

S!S SS

Capt!re ?!ery o!tlines on thepro#!ction system

E$p/imp o!tlines toFe5 system

e$p impe$p#p imp#p

(ink ...

lan 5istory

lan aseline

(

8&

8&

(

56

56

(

8&

8&

E=6_64*GRA'@_6'O3


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pgrade Scenario

• Same Scenario -!t yo!r application is in 32g

• Io!J# like to hae ?!ery plan sta-ilityJ

– Co!ple# 5ith the opport!nity to !se -etter plans 4 #o no

to -e )ro7en

• Io! 5ill -e changing plat)orms #!ring the !pgra#e

#oing a #irect !pgra#e o) the #ata-ase,• The steps 5o!l# -e.


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S& lan anage$ent % !uning ack

S!S

Staging

!able

e$p impe$p#p imp#p

(ink ...

S!S

lan 5istory

lan aseline

(

8&

8&

(

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56

(

8&

8&

32.1 plans 5ill -ecomthe S% Plan aselin

(

8&

8&

3


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pgrade Scenario

• Io! 5o!l# like to #eploy )rom #eelopment to

pro#!ction..• Io! 5o!l# like to #eploy at a c!stomer site

• And yo# *ant to start *ith a stable set of plans

– Using better plans only after they have been verified

• The steps 5o!l# -e.


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S& lan anage$ent 4 8ew 9pplication

E=6_64?


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Test to Scale

Database


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Database


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Supported #hanges

Changes Supported•Database pgrades> atches

•Sche$a> ara$eters

• Interconnect

•OS lat/or$s> OS pgrades

•#> e$ory

•Storage

•?tc@

#lient#lient

…#lient

iddle !ier

Storage

?

ChangesUnsupported

(there areother tools

for that)

St 1 W kl d # t


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Step 1: Workload #apture

roduction Syst

#lient#lient

…

#lient

iddle !ier

Storage

• +ll e$ternal client re?!ests capt!re# in -inary )iles

• System -ackgro!n# an# internal actiity e$cl!#e#

• Minimal oerhea#– +oi#s )!nction call 5hen possi-le

–!))ere# "/O

• "n#epen#ent o) client protocol

• Can capt!re on Ai, 32 g, an# 33 g an# replay on33g

• Capt!re loa# )or interesting time perio#< e.g.<peak 5orkloa#< monthen# processing< etc.

St 2 W kl d Bil


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Step 2: rocess Workload Biles

!est Syste$

Bile 1

Bile 2

Bile n

…

#apture Biles

•Set!p test system

– +pplication #ata sho!l# -e same aspro#!ction system as o) capt!re start time

–'se &M+F< Snapshot Stan#-y< imp/e$p<(ata P!mp< etc. to create test system

–Make change: !pgra#e #- an#/or OS<change storage< migrate plat)orms< etc.

•Processing trans)orms capt!re# #atainto replaya-le )ormat

•Once processe#< 5orkloa# can -ereplaye# many times

•or &+C copy all capt!re )iles to singlelocation )or processing or !se share#)ile system

St 3 < l W kl d


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Step 3:


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9nalysis =


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!ransportS&

S& er/or$ance 9nalyer: O.er.

……

…#lient

#aptureS&

iddle !ier

Storage

Oracle D


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S& er/or$ance 9nalyer: Work/

roduction !est

#apture

S& S!SE

!ransport

S!S

?;ecute S&

re4change

?;ecute S&

ost4change

Steps 1E 2E 3E )E *E

+E


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!o:

S& er/or$ance 9nalyer: Gey Di//erentiators

+!tomatic regress

o5 risk< o5 cos

+!tomate# S% cFegligi-le oerhe

Pro#!ction S% c

Bro$:

Man!al regression t!ning

Gigh risk< Gigh cost

Man!al S% capt!re<

Gigh oerhea#

Fonpro#!ction S% conte$t

+!tomate# analysMonths o) man!al analysis

Complete S% 5oPartial S% 5orkloa#


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ore in/or$ation…

• Gan#s on a-: S93@A==– (ata-ase an# +pplication Testing GO

– e#: .;;.; pm

– Marriott Bol#en Bate

• SP+ / (ata-ase &eplay (emo gro!n#s

– Moscone est: 29@/29A


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The +-ility to )orget +n# let it go

Blashback /or


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Blashback /or


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Feer Stopping


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<

#

S5

Initial S& 9pply #on/ig

#lientsRedo

ersion J ersion J

1

9

Switcho.er to > upgrade 9

Redo

)

pgrade

JK1JK1

9


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Online 9pplication pgrade?dition4based rede/inition

•Co#e changes are installe# in the priacy o) a ne5

edition•(ata changes are ma#e sa)ely -y 5riting only to necol!mns or ne5 ta-les not seen -y the ol# e#ition

• +n editioning .iew e$poses a #i))erent projection ota-le into each e#ition to allo5 each to see j!st its o

col!mns• + crossedition trigger propagates #ata changes mthe ol# e#ition into the ne5 e#itionJs col!mns< or *inrolloer, iceersa

?ditions = obHect .isibility


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= H y

O-ject

O-ject9

O-ject1

O-ject3

re4upgradeedition



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H y

O-ject

O-ject9

O-ject1

O-ject3

O-ject1

O-ject3

re4upgradeedition

ost4upgradeedition

is child of

1in

1in

1in

1in

O-ject

O-ject9



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H y

O-ject

O-ject9

O-ject1

O-ject3

O-jectQ

O-ject9Q

O-ject1

O-ject3

re4upgradeedition

ost4upgradeedition

is child of

1a

1a

1in

1in


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Planning +hea#pgrade lanner


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The )ollo5ing is inten#e# to o!tline o!r general pro#

#irection. "t is inten#e# )or in)ormation p!rposes onlyan# may not -e incorporate# into any contract. "t is

commitment to #elier any material< co#e< or )!nctio

an# sho!l# not -e relie# !pon in making p!rchasing

#ecisions.

The #eelopment< release< an# timing o) any )eat!re)!nctionality #escri-e# )or OracleJs pro#!cts remain

the sole #iscretion o) Oracle.

OS4?: ni/ied iew> Integrated In/or$ation

etween y Oracle Support and ?nterprise ana


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y Oracle Support

er/or$ance

anage$ent

?nterprise anager

ro.

=

roble$

Diagnosis

etween y Oracle Support and ?nterprise ana

Oracle

#usto$er

(ata-asesOperating Systems Mi##le5are +pplica

Pro-lem/S&

Management

Con)ig!r

Managem

Kno5le#ge

Management

Pro-lem/S&

Management

Con

Man

Kno5le#ge

Management

y Oracle Support % pgrade lanner


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hat +re e +nno!ncing6

• Fe5 eat!re in My Oracle S!pport– +ssist c!stomers in planning the an 'pgra#e o) Oracle technolo

• ene)its– &e#!ce# time to create< manage an# e$ec!te 'pgra#e plan

• Streamline# process to re?!est merge patches

– Breater &elia-ility #!e to So)t5are C!rrency

• atest S< Patch< an# Certi)ication in)ormation• +cc!racy o) recommen#ations -ase# on con)ig #ata *not man!

– o5er &isk

• +!tomate# analysis )or missing patches an# con)lict checking

y Oracle Support: pgrade lanner


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• 'pgra#e )rom 32.1.2. to 33.1

• here #o " get the so)t5are

• hat are the ali# S !pgra#epaths 6

• hat is the certi)ication/EOstat!s o) the S 6

• hat recommen#e# patches#o " apply post!pgra#e6

• Go5 #o " kno5 i) my 32.1.2.)i$es 5ill -e on my 33.1!pgra#e6

• +re there patch con)licts6

• 'pgra#e path Srecommen#ations 5/

• Certi)ication /EO checks

• &ecommen#e# Patches

• &eplacement/Merge Patch

• Con)lict +nalysis )or Patches

• &esearch an# +## Patches

• &eie5 Patch ee#-ack

• inks to latest S!pport

• est Practices an# kno5le#ge

• &e#!ce# Tanalysis an

'pgra#e P

• &e#!ce# &acc!racy *a

• "mproe# ?latest Orac

Practices

Challenges Capa#ilities $


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5ow to get there

pgrade is easierP


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0 1232 Oracle Corporation %&

•The !pgra#e to Oracle (ata-ase 33 g is m!ch easier tha!pgra#es to earlier Oracle releases

•Si7e o) 'pgra#e g!i#es:–3!%!4 ;31 pages

–5!&!% @ pages 4 333 steps )or an &(MS 5ith A components

–5!6!& 9 pages

–%&!%!& 3>2 pages

–%&!6!& 32 pages–%%!%!& 3@= pages

–%%!6!& 3>@ pages

Docu$entation


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–Fote:>@;9;3.3 'pgra#e Companion 33g &elease 1

What are $y upgrade paths" di t bl / t d


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redictable per/or$ance post4upgrade

10.2.0.2

11.1.0.6

10.1.0.5

9.2.0.8

11.

S& lan a

9uto$ated S


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what i need to know when upgrading

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