Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
本番運用中 Oracle を破壊してしまった話 ~ 破壊と創世 ~ / Oracle Des...
Search
Taiju Aoki
November 20, 2020
Programming
0
3k
本番運用中 Oracle を破壊してしまった話 ~ 破壊と創世 ~ / Oracle Destruction and Creation
M3 techtalk
Taiju Aoki
November 20, 2020
Tweet
Share
More Decks by Taiju Aoki
See All by Taiju Aoki
オンプレ to オンプレした話/on-premises2on-premises
blue0513
0
3k
GitもCIもテストもないプロジェクトでデプロイを自動化するまでの道 / rebuild of DevOps
blue0513
0
3.2k
Git & GitLab & コードレビューって? / about Git, GitLab, CodeReview
blue0513
0
240
ElectronでSlackをさらに便利にしちゃう / Slack with Electron
blue0513
3
850
GitHub の README をいい感じにする / Cool Readme
blue0513
3
1.7k
Emacs × Sound やってみた / Emacs with Sound
blue0513
1
1k
Slack を TweetDeck にしてみた件 / slackdeck-proto
blue0513
0
2.9k
知ってるとお得な iTerm2 と zsh/bash の小技
blue0513
3
840
クラウド電子カルテを支える魂の技術
blue0513
0
2.4k
Other Decks in Programming
See All in Programming
JSONataを使ってみよう Step Functionsが楽しくなる実践テクニック #devio2025
dafujii
0
240
MLH State of the League: 2026 Season
theycallmeswift
0
210
TanStack DB ~状態管理の新しい考え方~
bmthd
2
410
パッケージ設計の黒魔術/Kyoto.go#63
lufia
3
400
AIを活用し、今後に備えるための技術知識 / Basic Knowledge to Utilize AI
kishida
19
4.2k
Swift Updates - Learn Languages 2025
koher
1
280
パスタの技術
yusukebe
1
560
開発チーム・開発組織の設計改善スキルの向上
masuda220
PRO
18
9.6k
AWS発のAIエディタKiroを使ってみた
iriikeita
1
140
実用的なGOCACHEPROG実装をするために / golang.tokyo #40
mazrean
1
140
🔨 小さなビルドシステムを作る
momeemt
3
640
Claude Codeで挑むOSSコントリビュート
eycjur
0
190
Featured
See All Featured
The Art of Programming - Codeland 2020
erikaheidi
55
13k
VelocityConf: Rendering Performance Case Studies
addyosmani
332
24k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.5k
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
36
2.5k
Building an army of robots
kneath
306
46k
Building Applications with DynamoDB
mza
96
6.6k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.9k
Raft: Consensus for Rubyists
vanstee
140
7.1k
Why You Should Never Use an ORM
jnunemaker
PRO
59
9.5k
Build The Right Thing And Hit Your Dates
maggiecrowley
37
2.8k
Optimising Largest Contentful Paint
csswizardry
37
3.4k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
139
34k
Transcript
ຊ൪ӡ༻த Oracle Λഁյͯ͠͠·ͬͨ ~ ഁյͱੈ ~ @blue_1617
ࢲ୭ʁ blue (@blue_1617) https://blue0513.github.io/show_room/ 2 ࠷ۙϋϚ͍ͬͯΔͷ ‣ ϚΠϯΫϥϑτʢSwitch ൛ʣ ‣
ϐΫϛϯ3 ‣ ΑΙ͜ͷ˓˓Ͱ˓˓ੜ׆
͜ͷʁ 3 https://speakerdeck.com/blue0513/on-premises2on-premises άϧʔϓاۀͷ“ΦϯϓϨ to ΦϯϓϨͨ͠” ͷޙஊ 1. Oracle DB
Λ֎ઌ͔ΒάϧʔϓاۀʹҠߦ 2. ӡ༻։࢝ 3. ͓ɺOracle ͷ༷ࢠ͕….. <= ͔͜͜Βͷ͓
࣍ 4 ୈ1࣍εʔύʔ Oracle Ҡߦ࡞ઓ ~ ഁյἫ ~ OMR ~
ΦϥΫϧϛεςϦʔௐࠪ൝ ~ ΧΠΪ ϑΝΠφϧήʔϜ Oracle SARABA ~ ੈฤ ~ ·ͱΊ
ୈ1࣍εʔύʔ Oracle Ҡߦ࡞ઓ ~ ഁյἫ ~
ୈ1࣍εʔύʔ Oracle Ҡߦ࡞ઓ ~ ഁյἫ ~ 6 ·ͣɺࣄલʹՔಇத DB Λ
clone ͯ͠४උΛͨ͠ Քಇத DB Clone DB
ୈ1࣍εʔύʔ Oracle Ҡߦ࡞ઓ ~ ഁյἫ ~ 7 Ϩίʔυ: X Sequence:
Y Քಇத DB Clone DB Ϩίʔυ: X Sequence: Y
ୈ1࣍εʔύʔ Oracle Ҡߦ࡞ઓ ~ ഁյἫ ~ 8 Ϩίʔυ: X +
a Sequence: Y + b Քಇத DB Clone DB Ϩίʔυ: X Sequence: Y Clone ޙՔಇΛଓ͚ΔͱɺϨίʔυͳͲʹࠩҟ
ୈ1࣍εʔύʔ Oracle Ҡߦ࡞ઓ ~ ഁյἫ ~ 9 Քಇத DB Clone
DB Ҡߦɺexport / import Λ࣮ߦ $ expdp full=y $ impdp full=y dump file
ୈ1࣍εʔύʔ Oracle Ҡߦ࡞ઓ ~ ഁյἫ ~ 10 https://docs.oracle.com/cd/E11882_01/server.112/e22490/dp_export.htm#SUTIL825 https://docs.oracle.com/cd/B19306_01/server.102/b14215/dp_import.htm Full
Export / Improt Mode DB ͷதΛ”શͯ” export / import ͯ͘͠ΕΔ Ϣʔβʔ͕࡞ͬͨ schema Ҏ֎ͷ system schema ͬͯ͘ΕΔ Role Sequence ͳͲରʹͳ͍ͬͯΔ ͜ΕҰݸͰͯ͑͢Δ͍ͭ͢͝
ୈ1࣍εʔύʔ Oracle Ҡߦ࡞ઓ ~ ഁյἫ ~ 11 Ϩίʔυ: X +
a Քಇத DB Clone DB Ϩίʔυ: X + a ϨίʔυͷҠߦશޭʂʂͬͨͥʂʂ
ΧΠΪ ϑΝΠφϧήʔϜ
ΧΠΪ ϑΝΠφϧήʔϜ 13 ҠߦཌɺΤϥʔ͕ൃੜ Ϩίʔυ id: 9999 Sequence Last Number:
9000ʢϨίʔυʹൺͯখ͍͞ʣ INSERT ͠Α͏ͱ͢ΔͱɺUnique key violation
ΧΠΪ ϑΝΠφϧήʔϜ 14 ҠߦཌɺۀεΩʔϚͰΤϥʔ͕ൃੜ expdp / impdp full=y Ͱ Sequence
͕ಉظ͞Εͳ͔ͬͨ Ϩίʔυ: X + a Sequence: Y + b Քಇத DB Clone DB Ϩίʔυ: X + a Sequence: Y $ expdp full=y $ impdp full=y
ΧΠΪ ϑΝΠφϧήʔϜ 15 Ϩίʔυ: X + a Sequence: Y +
b Քಇத DB Clone DB Ϩίʔυ: X + a Sequence: Y + b खಈͰ Sequence Λ Inc ͨ͠
ΧΠΪ ϑΝΠφϧήʔϜ 16 Ϩίʔυ: X + a Sequence: Y +
b Քಇத DB Clone DB Ϩίʔυ: X + a Sequence: Y + b खಈͰ Sequence Λ Inc ͨ͠ ੈͳͯ͜ͱͳ͠ʂʂʂ
ΧΠΪ ϑΝΠφϧήʔϜ 17 ཌिͷձٞʹͯ VPoE CTO ଞͷεΩʔϚେৎͳͷʁ ͛ͳงғؾ͕͢Δ
OMR ~ ΦϥΫϧϛεςϦʔௐࠪ൝ ~
19 Full Export / Improt Mode Ϣʔβʔ͕࡞ͬͨ schema Ҏ֎ͷ system
schema ͬͯ͘ΕΔ Ϩίʔυ: X + a Sequence: Y + b Քಇத DB Clone DB Ϩίʔυ: X + a Sequence: Y System ܥεΩʔϚ System ܥεΩʔϚ OMR ~ ΦϥΫϧϛεςϦʔௐࠪ൝ ~
20 Full Export / Improt Mode Ϣʔβʔ͕࡞ͬͨ schema Ҏ֎ͷ system
schema ͬͯ͘ΕΔ Ϩίʔυ: X + a Sequence: Y + b Քಇத DB Clone DB Ϩίʔυ: X + a Sequence: Y System ܥεΩʔϚ System ܥεΩʔϚ ੩͔ʹ Unique key violation OMR ~ ΦϥΫϧϛεςϦʔௐࠪ൝ ~
21 System ܥεΩʔϚ SYSTEM ORDDATA PERFSTAT etc ….. γεςϜཧݖݶ ౷ܭใऔಘ
ϝλσʔλཧ http://www.oracle-wiki.net/premium:startdocsdefaultschemas#toc2 etc…. OMR ~ ΦϥΫϧϛεςϦʔௐࠪ൝ ~
22 System ܥεΩʔϚ SYSTEM ORDDATA PERFSTAT etc ….. γεςϜཧݖݶ ౷ܭใऔಘ
ϝλσʔλཧ http://www.oracle-wiki.net/premium:startdocsdefaultschemas#toc2 etc…. ͜ΕΒ͕ਖ਼ৗʹಈ͔ͳ͍Մೳੑ͕͋Δͱ…….ʁ OMR ~ ΦϥΫϧϛεςϦʔௐࠪ൝ ~
OMR ~ ΦϥΫϧϛεςϦʔௐࠪ൝ ~ 23 Log User ౷ܭใऔಘࣦഊ͠ͱΔͰ ͳΜ͔લʹൺ͍ͯ…… ͜Ε·͍ͣɻͦͷ͏ͪେരൃ͢Δ͔͠Εͳ͍
Oracle SARABA ~ ੈฤ ~
Oracle SARABA ~ ੈฤ ~ 25 աڈͷεφοϓγϣοτ ͔Β෮ݩ Քಇத DB
ຊ൪DBɺաڈʹεφοϓγϣοτΛऔ͍ͬͯͨ ͦΕΛ༻͍ͯ৽͘͠ DB Λ࡞ εφοϓγϣοτͷ࣌Ͱ system ܥεΩʔϚഁյ͞Ε͍ͯͳ͍ ʢ៉ྷͳ DBʣ
Oracle SARABA ~ ੈฤ ~ 26 աڈͷεφοϓγϣοτ ͔Β෮ݩ Քಇத DB
system ܥεΩʔϚ *Ҏ֎* ͷϨίʔυͷΈimport system ܥεΩʔϚ *Ҏ֎* ͷ sequence ͷΈ import جຊઓུ
Oracle SARABA ~ ੈฤ ~ 27 աڈͷεφοϓγϣοτ ͔Β෮ݩ system ܥεΩʔϚ
*Ҏ֎* ͷεΩʔϚΛରʹ͢Δ (system ܥεΩʔϚ៉ྷͳͷͰ no touch ͰϤγ) 1. TRUNCATE table 2. DROP sequence Քಇத DB
Oracle SARABA ~ ੈฤ ~ 28 աڈͷεφοϓγϣοτ ͔Β෮ݩ system ܥεΩʔϚ
*Ҏ֎* ͷεΩʔϚΛରʹ͢Δ (system ܥεΩʔϚ៉ྷͳͷͰ no touch ͰϤγ) 1. TRUNCATE table 2. DROP sequence ςʔϒϧۭ εΩʔϚఆٛଘࡏ Role, Synonym ͦͷ·· Քಇத DB
Oracle SARABA ~ ੈฤ ~ 29 աڈͷεφοϓγϣοτ ͔Β෮ݩ system ܥεΩʔϚ
*Ҏ֎* ͷεΩʔϚΛରʹ͢Δ (system ܥεΩʔϚ៉ྷͳͷͰ no touch ͰϤγ) 3. expdp full=y Քಇத DB ςʔϒϧใ Sequence, Schema etc ͯ͢Λग़ྗ
Oracle SARABA ~ ੈฤ ~ 30 աڈͷεφοϓγϣοτ ͔Β෮ݩ system ܥεΩʔϚ
*Ҏ֎* ͷεΩʔϚΛରʹ͢Δ (system ܥεΩʔϚ៉ྷͳͷͰ no touch ͰϤγ) 4. impdp schemas data_only 5. impdp schemas include=SEQUENCE Քಇத DB ςʔϒϧͷϨίʔυΛ import Sequence object Λ import
Oracle SARABA ~ ੈฤ ~ 31 աڈͷεφοϓγϣοτ ͔Β෮ݩ Քಇத DB
system ܥεΩʔϚ => ͦͷ··ͳͷͰ៉ྷ system ܥ *Ҏ֎ͷ* ςʔϒϧ => σʔλͷΈߋ৽ system ܥ *Ҏ֎ͷ* sequence => ߋ৽
Oracle SARABA ~ ੈฤ ~ 32 ᘳͳ DB ͷ
·ͱΊ
·ͱΊ 34 DB ͷҠߦͳͲͷਖ਼֬ੑ͕ٻΊΒΕΔ࡞ۀͰԲͤͣ ઐՈͷҙݟΛڼ͝͏ ใ࿙ӮۀσʔλഁଛͷΑ͏ͳෆՄٯͳࣄଶͰͳ ͚Εόάमਖ਼ϦΧόϦ͕Ͱ͖Δ͔Βɺམͪண͜͏ ڠྗ͍͍ͯͨͩͨ͠ SRE νʔϜͷํʑɺCTO
͋Γ͕ͱ͏͍͟͝·ͨ͠ :bow: