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
DB移行を支える技術 社内勉強会用
Search
Yudai Suzuki
October 25, 2013
0
110
DB移行を支える技術 社内勉強会用
Yudai Suzuki
October 25, 2013
Tweet
Share
More Decks by Yudai Suzuki
See All by Yudai Suzuki
コメントの書き方について
yudaisuzuki
1
210
Shell Script Testing Framework shunit2
yudaisuzuki
6
3.6k
Featured
See All Featured
The Illustrated Children's Guide to Kubernetes
chrisshort
48
49k
How GitHub (no longer) Works
holman
314
140k
Producing Creativity
orderedlist
PRO
344
39k
Writing Fast Ruby
sferik
628
61k
Site-Speed That Sticks
csswizardry
4
380
Fireside Chat
paigeccino
34
3.2k
The Pragmatic Product Professional
lauravandoore
32
6.4k
A designer walks into a library…
pauljervisheath
205
24k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
175
51k
BBQ
matthewcrist
87
9.5k
How STYLIGHT went responsive
nonsquared
98
5.4k
How to train your dragon (web standard)
notwaldorf
91
5.8k
Transcript
MySQLͷҠߦΛࢧ͑Δٕज़ 1310݄25༵ۚ
ࠓͷ݄̍ʹ IBM DB2͔Β MySQL5.5ʹ Ҡߦͨ͠Λ͠·͢ 1310݄25༵ۚ
نײ 1310݄25༵ۚ
allཧ εΩʔϚ 13 ςʔϒϧ 330 ૯Ϩίʔυ 321,906,470 1ςʔϒϧ͋ͨΓͷϨίʔυ 975,474 Ұ൪Ϩίʔυ͕ଟ͍ςʔϒϧ
18,054,990 13ӡ༻͞ΕͯΔ جװγεςϜɺαʔϏεܥDB܈ JavaɺPHPɺVB6ͱ͔… euc-jp -> utf-8 1310݄25༵ۚ
݁Ռɺϯԯԁͷ ܦඅൃੜΛ્ࢭ 1310݄25༵ۚ
۩ମతͳ ࡞ۀ༰ 1310݄25༵ۚ
• DB2ͷϨίʔυΛCSVΤΫεϙʔτ • MySQLLOAD INFILE • /var/lib/mysql ΛslaveͷαʔόҠͯ͠෮ݩʢColdBackupʣ • ϨϓϦέʔγϣϯઃఆ
• FederatedΤϯδϯΛ༻͢ΔಛघͳϨϓϦέʔγϣϯͷߏங (MySQL -> DB2 ͷϨϓϦέʔγϣϯΛ͢Δඞཁ͕͋ͬͨͨΊ) • ͜ΕΒΛShellScript(bash)ͷόονͰߦ͏ 1310݄25༵ۚ
Time Limit 4࣌ؒ ※ΦϑϥΠϯϝϯς8࣌ؒͷ͏ͪ લ4࣌ؒͰྃ͢Δඞཁ͕͋Δ 1310݄25༵ۚ
ରࡦ 1310݄25༵ۚ
1. LOAD࣌ؒͷॖΛਤΔ 1310݄25༵ۚ
•Bulk Insert < LOAD INFILE < Cold Backup •Slow-logɺBin-log ͳͲࢭΊΕΔϩάࢭΊΔ
•INDEXΛDROP -> LOAD -> INDEXషΔ (ςʔϒϧʹΑΓૣ͔ͬͨΓɺషͬͨ··ͱ ͦΜͳʹ͕ࠩແ͔ͬͨΓ) • csvετϨʔδΤϯδϯΛ͏ͱͪΐͬͺΒ͍͚͠Ͳ͏ ·͍͔͘ͳ͔ͬͨʢΓ͔ͨѱ͔ͬͨͷ͔ʣ 1310݄25༵ۚ
͜ͷลάάͬͨΒ ׂͱग़ͯ͘Δ͕ɺ શମͷ࡞ۀͰݟΔͱ େ͖ͳॖʹ ͳΒͳ͔ͬͨ 1310݄25༵ۚ
2.δϣϒϑϩʔͷ࠷దԽ ʢJenkinsͷ׆༻ʣ 1310݄25༵ۚ
1310݄25༵ۚ
Jenkins Build Flow Plugin https://wiki.jenkins-ci.org/display/JENKINS/Build+Flow+Plugin 1310݄25༵ۚ
Build Pipeline Plugin͕ڧྗʹͳͬͨײ͡ Job FlowΛGroovyͰॻ͚Δ ฒྻ࣮ߦ(Parallel) ϦτϥΠ(Retry) ྫ֎ͷัଊ(guard / rescue)
ͳͲͷػೳΛඋ͍͑ͯΔ 1310݄25༵ۚ
࠷্Ґ parallel ( { build(“order” ) }, { build(“user”) },
{ build(“master”) } ) user build (“export”) build (“rsync”) build (“load”) build (“mysqld stop”) build (“rsync”) parallel ( { build(“master mysqld start”) }, { build(“slave mysqld start”) } ) 1310݄25༵ۚ
ͪͳΈʹɺ͜ͷҊ݅ͷޙ Tivoliͱ͔JP1ͱ͔Γ·ͨ͠ ·ͩۀքྺͰݴ͏ͱएखͳΜͰ… 1310݄25༵ۚ
σʔλҠߦΛCI͢ΔΑ͏ͳײ͡Ͱ ຖ·Θ͢ ࠷ऴతʹ1ΫϦοΫͰҠߦ͕ྃ͢ΔBuild FlowΛ࡞ ↓ ͦΕΛຖ࣮ߦ͠ɺԿճޭͤ͞Δ ↓ Ҡߦຊ൪ʹର͢Δڪා৺Λແ͘͢ 1310݄25༵ۚ
̍ΫϦοΫσʔλҠߦ ʙ͍ͭ·ͰखͰDBҠߦͯ͠ΔΜͰ͔͢ʁʙ ※ @ryuzee͞ΜͷΦϚʔδϡͰ͢ http://www.slideshare.net/Ryuzee/devsumia 1310݄25༵ۚ
શࣗಈԽͰ͖͔ͨ ۃͳɺ࡞ۀऀ͕͍ͳ͍ʢԿ͠ͳ͍ʣ σʔλҠߦͰ͖Δؾ͕͢Δ 1310݄25༵ۚ
༨ஊ δϣϒεέδϡʔϥʔͷΦʔϓϯιʔειϑτΣΞͬͯΠέͯΔͷແ͍ΜͰ͔͢Ͷʁ δϣϒεέδϡʔϥʔͬͯΤϯλʔϓϥΠζք۾Ͱॏๅ͞Εͯͦ͏͔ͩΒ WEBͷਓୡڵຯແ͍ʁ DWHͱ͔݁ߏ͏ͱࢥ͏ΜͰ͚͢Ͳ jobschedulerͳΔάάϥϏϦςΟͷ͍ΦʔϓϯιʔεͷιϑτΣΞ͚͋ͬͨͲɺ ใগͳ͍ 1310݄25༵ۚ
͜ΕͰ·ͩؒʹ߹Θͳ͍ 1310݄25༵ۚ
3. σʔλసૹ࣌ؒͷॖ (Cold Backup) 1310݄25༵ۚ
/var/lib/mysql ԼͷશϑΝΠϧΛ ฒྻͰrsync͢Δ http://qiita.com/nekogeruge_987/ items/ed1bd8704b25b1f509ec 1310݄25༵ۚ
ҙ σΟϨΫτϦߏΛઌʹίϐʔઌʹίϐʔ͓͔ͯ͠ͳ͍ͱrsync͕͚͜Δ ωοτϫʔΫͷଳҬͷଠ͞ʹґଘ͍ͯ͠ΔͷͰɺଳҬ͕ڱ͍ͱ͋·ΓޮՌ͕ແ͍ ϑΝΠϧͷϓϩηεΛىಈ͢ΔͨΊɺ100ສݸϑΝΠϧ͕͋Δͱ100ສϓϩηε͕ͨͪ͋Δ ྃޙʹී௨ͷrsyncΛ࣮ߦ͠ɺ͕ࠩແ͍͔ΛνΣοΫ͢Δͱϕλʔ 1310݄25༵ۚ
1࣌ؒఔ͔͔ͬͯͨͷ͕ 20ఔͰྃ͢ΔΑ͏ʹ ͳΓ·ͨ͠ 1310݄25༵ۚ
൪֎ɿࠓࢥ͏ͱΓ͔ͨͬͨ͜ͱ ShellScripͷUnitTestΛॻ͘ 1310݄25༵ۚ
࣌ShellScript΄΅ॻ͍ͨࣄແ͍ ͍ͭͰʹςετॻ͍ͨࣄແ͍ લͷҠߦͰΘΕͯͨίʔυΛ͍ճ͢ ࣌ؒແ͔ͬͨͷͰແઅૢʹScript͕૿͍͑ͯ͘ ৭ʑऩू͔ͭͳ͘ͳͬͯ͘Δײ͕͋͡Δ 1310݄25༵ۚ