Lock in $30 Savings on PRO—Offer Ends Soon! ⏳
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Recommendation for using your own tools
Search
Kenichi Masuda
April 19, 2012
Technology
1
5.6k
Recommendation for using your own tools
This materials for #mysqlcasual 3
Kenichi Masuda
April 19, 2012
Tweet
Share
More Decks by Kenichi Masuda
See All by Kenichi Masuda
2022-09-05 「明日から新規事業を作ってみよう(実践編)」トヨタ車体株式会社様ウェビナー
masudak
0
720
2022-08-10「明日から新規事業を作ってみよう」トヨタ車体株式会社様向けウェビナー
masudak
1
550
2022-09-05 「明日から新規事業を作ってみよう(実践編)」トヨタ車体株式会社様ウェビナー
masudak
0
43
2022-06-09「新規事業担当に必要な要素とは」ヤマトシステム開発株式会社様向けウェビナー
masudak
0
790
Development/QA environments and the Go tools in it
masudak
0
7.2k
How to utilize GKE for QA environment
masudak
3
1.3k
Introduction of mercari SET team
masudak
0
13k
Other Decks in Technology
See All in Technology
Playwrightのソースコードに見る、自動テストを自動で書く技術
yusukeiwaki
13
4.9k
エンジニアとPMのドメイン知識の溝をなくす、 AIネイティブな開発プロセス
applism118
4
980
AI活用によるPRレビュー改善の歩み ― 社内全体に広がる学びと実践
lycorptech_jp
PRO
1
190
安いGPUレンタルサービスについて
aratako
2
2.6k
[CMU-DB-2025FALL] Apache Fluss - A Streaming Storage for Real-Time Lakehouse
jark
0
110
寫了幾年 Code,然後呢?軟體工程師必須重新認識的 DevOps
cheng_wei_chen
1
980
多様なデジタルアイデンティティを攻撃からどうやって守るのか / 20251212
ayokura
0
290
re:Invent 2025 ~何をする者であり、どこへいくのか~
tetutetu214
0
110
【AWS re:Invent 2025速報】AIビルダー向けアップデートをまとめて解説!
minorun365
4
470
Challenging Hardware Contests with Zephyr and Lessons Learned
iotengineer22
0
120
AWS Trainium3 をちょっと身近に感じたい
bigmuramura
1
130
SSO方式とJumpアカウント方式の比較と設計方針
yuobayashi
7
510
Featured
See All Featured
A better future with KSS
kneath
240
18k
Building an army of robots
kneath
306
46k
Designing for Performance
lara
610
69k
Fireside Chat
paigeccino
41
3.7k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
31
2.6k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
359
30k
Six Lessons from altMBA
skipperchong
29
4.1k
Bash Introduction
62gerente
615
210k
GraphQLの誤解/rethinking-graphql
sonatard
73
11k
The Pragmatic Product Professional
lauravandoore
37
7.1k
Visualizing Your Data: Incorporating Mongo into Loggly Infrastructure
mongodb
48
9.8k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.5k
Transcript
ಓ۩Λຏ͘͜ͱͷεεϝ 2012/04/19 #mysqlcasual 3 @masudaK 20124݄20༵ۚ
ࣗݾհ • @masudaK • ͷձࣾͰOperation Engineer • େنେ͖ • χʔϋΠ͖
• ৄ͘͠ #૿ాνϟϥ͍ 20124݄20༵ۚ
Ͱɺຊ 20124݄20༵ۚ
ಓ۩ʹΘ͞Εͯ ͍͚ͳ͍ 20124݄20༵ۚ
ຊ࣭௫Ή 20124݄20༵ۚ
ͦͷͱ͓ΓͰ͟͝Δ 20124݄20༵ۚ
ବ՛ࢠ՛ࢠʂʂ 20124݄20༵ۚ
Α͋͘Δޫܠ 20124݄20༵ۚ
Q) ͦͷઃఆ ࡌϝϞϦ͑ͯͳ͍ʁ 20124݄20༵ۚ
A) όοϑΝʹ ࡌͬͨΒऴΘΓ·͢ (ΩϦο 20124݄20༵ۚ
Q) όοϑΝ ͲΕ͘Β͍ΘΕͯΔʁ 20124݄20༵ۚ
A) ͔Γ·ͤΜ (ΩϦο 20124݄20༵ۚ
Q) n࣌n͔Βn·ͰΔ ΫΤϦੳ͠ͱ͍ͯʔ 20124݄20༵ۚ
A) ͑ͬ(ΧδϡΞϧ෩ʹ 20124݄20༵ۚ
ࣄલʹ͋Δ ศརͳͷ͓͏ͣ ʢΧδϡΞϧʹʣ 20124݄20༵ۚ
ϛεݮΒͦ͏ͣ ʢΧδϡΞϧʹʣ 20124݄20༵ۚ
ࠓ͔ΒՄೳͳݶΓ ͝հ ʢΧδϡΞϧʹʣ 20124݄20༵ۚ
ઃఆฤ 20124݄20༵ۚ
1. mymemcheck 20124݄20༵ۚ
•࠷େ༻ϝϞϦݟੵΓΛ ͝ఏग़ •http://dsas.blog.klab.org/ archives/50860867.html 20124݄20༵ۚ
ͬͯΔਓʔ ϊ 20124݄20༵ۚ
• ͜Μͳײ͡ʢৄ͘͠Σϒ(ry • process heap = • innodb_buffer_pool + key_buffer
+ • max_connections * (sort_buffer + read_buffer + read_rnd_buffer) + max_connections * stack_size 20124݄20༵ۚ
2GϚγϯͰେྔઃఆͯ͠Έͨ 20124݄20༵ۚ
2G > 7.940 [G] ... LIMIT OVER!! 20124݄20༵ۚ
2. MySQLTuner 20124݄20༵ۚ
•https://github.com/ rackerhacker/MySQLTuner- perl •Performance Metrics͍ͬͯ͏ ͷ͕͋Δ 20124݄20༵ۚ
ͬͯΔਓʔ ϊ 20124݄20༵ۚ
• ͜Μͳ͜ͱڭ͑ͯ͘ΕΔ • query_cache_size (>= 8M) • thread_cache_size (start at
4) • innodb_buffer_pool_size (>= 807M) • ͱ͔ͱ͔ 20124݄20༵ۚ
ோΊͯղੳฤ 20124݄20༵ۚ
• EXPLAIN • EXPLAIN • ADD INDEX • FORCE INDEX
• ΫΤϦվળ͝ఏҊ • جຊதͷجຊ 20124݄20༵ۚ
3. tcpdump͔Βͷʔ 20124݄20༵ۚ
4. pt-query-digest 20124݄20༵ۚ
@mikeda͞Μ͕ հͯ͘͠ΕΔͣ 20124݄20༵ۚ
5. PROFILING 20124݄20༵ۚ
• SET PROFILE • ͦͷ࣮ߦεϨουʹͷΈ༗ޮ • Ͳ͜ʹ͔͔࣌ؒͬͯΔ͔ͱ͔ • ύοͱݟͰ͔ΓͮΒ͍࣌ศར 20124݄20༵ۚ
ͬͯΔਓʔ ϊ 20124݄20༵ۚ
mysql> SET profiling=1; mysql> దͳΫΤϦൃߦ 20124݄20༵ۚ
mysql> SHOW PROFILE; +--------------------+----------+ | Status | Duration | +--------------------+----------+
| starting | 0.000087 | | Opening tables | 0.000063 | | System lock | 0.000009 | | init | 0.000009 | | optimizing | 0.000004 | | statistics | 0.000009 | | preparing | 0.000010 | | executing | 0.002878 | | Sending data | 0.000292 | | end | 0.000010 | | query end | 0.000003 | | closing tables | 0.000002 | | removing tmp table | 0.000008 | | closing tables | 0.000003 | | freeing items | 0.003564 | | logging slow query | 0.000009 | | cleaning up | 0.000003 | 20124݄20༵ۚ
mysql> SHOW PROFILE SOURCE; +--------------------+----------+-----------------------+---------------+-------------+ | Status | Duration |
Source_function | Source_file | Source_line | +--------------------+----------+-----------------------+---------------+-------------+ | starting | 0.000087 | NULL | NULL | NULL | | Opening tables | 0.000063 | open_tables | sql_base.cc | 4837 | | System lock | 0.000009 | mysql_lock_tables | lock.cc | 299 | | init | 0.000009 | mysql_select | sql_select.cc | 2554 | | optimizing | 0.000004 | optimize | sql_select.cc | 863 | | statistics | 0.000009 | optimize | sql_select.cc | 1054 | | preparing | 0.000010 | optimize | sql_select.cc | 1076 | | executing | 0.002878 | exec | sql_select.cc | 1823 | | Sending data | 0.000292 | exec | sql_select.cc | 2365 | | end | 0.000010 | mysql_select | sql_select.cc | 2590 | StatusΛ֨ೲͯ͠ΔՕॴͷߦ·Ͱग़ͯ͘͠ΕΔ ͜͜·ͰඞཁͳΫΤϦ΄ͱΜͲͳ͍ͱࢥ(ry 20124݄20༵ۚ
6. MySlowTranCapture 20124݄20༵ۚ
• ୯ൃΫΤϦૣ͍ͷʹɺτϥϯβΫ γϣϯͩͱ͍ͷͱ͔ݕͯ͘͠Ε Δ • https://github.com/yoshinorim/ MySlowTranCapture 20124݄20༵ۚ
ͬͯΔਓʔ ϊ 20124݄20༵ۚ
দ৴ຊߪೖ͢Δ͔͠ͳ͍ɻ 20124݄20༵ۚ
ָ͍ͨ͠ฤ 20124݄20༵ۚ
7. TPC-C 20124݄20༵ۚ
ͬͯΔਓʔ ϊ 20124݄20༵ۚ
ΧδϡΞϧා͍ 20124݄20༵ۚ
• σʔλ࡞ΔͷΊΜͲ͍ • tpcc_load localhost tpcc1000 root "" 100 •
./tpcc_start -h localhost -d tpcc1000 -u root -w 10 - c 2 -r 10 -l 30 • Sͷਓ͚ɻhͬͱϋʔυɻ 20124݄20༵ۚ
8. Facebook, online schema change tool 20124݄20༵ۚ
ͬͯΔਓʔ ϊ 20124݄20༵ۚ
• http://www.facebook.com/notes/mysql-at- facebook/online-schema-change-for-mysql/ 430801045932 • ୭͔ϓϩμΫτͰ(ry 20124݄20༵ۚ
ใऩूฤ 20124݄20༵ۚ
9. MySQL Performance BlogΛѪಡ 20124݄20༵ۚ
Ѫಡͯ͠Δਓʔ ϊ 20124݄20༵ۚ
20124݄20༵ۚ
γϡϫϧπͷসإ ͍ 20124݄20༵ۚ
10. Baron Schwartz ͯ͠ΈΔ 20124݄20༵ۚ
20124݄20༵ۚ
11. ΧϯϑΝϨϯε ࢿྉΛړΔ 20124݄20༵ۚ
20124݄20༵ۚ
20124݄20༵ۚ
ڳ 20124݄20༵ۚ
·ͩ·ͩ৭ʑ 20124݄20༵ۚ
• ಓ۩͕શͯͰͳ͍ • ͚Ͳɺղܾͷࢳޱͱͯ͠ • ϓϩμΫτͰ͑Δͷ(ry • ΞτϓοτΛੋඇ ऴΘΓʹ 20124݄20༵ۚ
࠷ޙʹ 20124݄20༵ۚ
αΠόʔΤʔδΣϯτ Ұॹʹಇ͍ͯ͘ΕΔਓ ืूத 20124݄20༵ۚ
͝ਗ਼ௌ ͋Γ͕ͱ͏͍͟͝·ͨ͠ 20124݄20༵ۚ