deploy legacy web on the cloud

老舊 Web 上雲端 qrtt1 #JCConf

ϼᔚ8FCɪථ၌ɽၤ $BDIF $%/ "DUJWF$BDIF ০࿁வϣਪᕚה፯኿ٙ˴ࠅ˙ج

$BDIF $%/ "DUJWF$BDIF ০࿁வϣਪᕚה፯኿ٙ˴ࠅ˙ج ྼ᜕׌ሯٙ˴ਗόҞ՟  ڢ੬ెพ ࠠอܠϽҞ՟ٙ࿁൥ၾഄଫ ϼᔚ8FCɪථ၌ɽၤ

$BDIF $%/ "DUJWF$BDIF ০࿁வϣਪᕚה፯኿ٙ˴ࠅ˙ج ྼ᜕׌ሯٙ˴ਗόҞ՟  ڢ੬ెพ ࠠอܠϽҞ՟ٙ࿁൥ၾഄଫ ؂ਕٜՑ˰ޢٙး᎘ ϼᔚ8FCɪථ၌ɽၤ

老舊 Web 上雲端 ݊ɓ၇࿁׵ೌجၪᚐٙ8FCਖ਼ࣩٙయ၈

老舊 Web 上雲端 CBETNFMMɽණΥ ΢ό΢ᅵٙEVQMJDBUFEDPEF ΢ό΢ᅵٙMPOHNFUIPE DMBTT ΢ό΢ᅵٙVOUFTUBCMFDPEF

老舊 Web 上雲端 ͟׵MFHBDZDPEF˄̙׊ə ɪථ၌ࠇྌdϞࡈɽۃ౤lll ʔҷ݅Ϟ೻ό

老舊 Web + 老舊機器 *5ɛ⨈ٙ Ѣྤ Linux www.iradiopop.com 2.6.26.8-57.fc8  
#1 SMP Thu Dec 18 18:59:49 EST 2008 x86_64 x86_64 x86_6

S1 S2 LB Պۨٙ8FCݖ࿴ ̨-PBEJOH#BMBODFS  ߰ʍࡈܝ၌4FSWFS Ѣྤ

S1 S2 LB ຅Դ͜ඎ တ̈Ըࣛn Ѣྤ

S1 S2 LB ೌج؂ਕeϥዚeஹʔɪeࠠක ᑋ׼ٙ-#  ึኬΣᒔঐਗٙዚኜ

S1 S2 LB Ѣྤ Ϥɗ $SBTIᔔᔔؐ ߮༻ٙ4ZT"ENJO

S1 S2 LB ථ၌ ຅Դ͜ඎ တ̈Ըࣛn

S1 S2 LB ථ၌ S3 S4 ఱ̋һεዚኜᱍϞ፺ॆλ

S1 S2 LB ථ၌ ᄳ੻Ύᒛٙ8FCேϞ፬ج  4DBMF0VU 4DBMF*O ̥݊฽ࠢɽ፩Ԅλணࠇٙϓۜ TUJDLZTFTTJPO

ν؈ЫܘϞ፺

貴、順、爽貴、順、爽 LB ̙˸൯ܘ൮ٙዚኜ

窮窮 LB ̙݊๿ɭ ɓছٙʃʮ̡  ε̒΋͟ک֝ٙዚኜක֐಻༊

輕 Ꮸী ຅ཫၑϞࠢd ൯ʔ੄Ցԑ੄1PXFSٙዚኜࣛ ࡡ͉Ҟٙή˙ᜊ࿔ə$16 ࿔ٙή˙ᜊҞə*0

Ꮸী request business logic db query

Ꮸী request business logic cache db query

Ꮸী request business logic cache db query ᔚዚኜٙ*0ˢථ၌ᒔ࿔d ה˸ࡡ͉࿔ٙᜊҞə

Ꮸী request business logic cache db query ᔚዚኜٙ$16ˢථ၌ᒔҞd ה˸ࡡ͉Ҟٙᜊ࿔ə for(…)
{ for(…) { for(…) { /* 很暴⼒力地過濾資料 */ } } }

Ꮸী request cache db query business logic ޶ৎԸ݊ࡈ  һ࠽੻Ҟ՟ٙ࿁൥ Active
Cache

ܠ༩ Active Cache request cache heavy business logic ϞҞ՟dఱ݊න

ܠ༩ Active Cache request expired cache heavy business logic ӚҞ՟dఱ੻ഃ
ഃܙ

ܠ༩ Active Cache request heavy business logic active cache ٝ༸νОһอІʉٙҞ՟
"DUJWF$BDIF ʔഃܙ

ెพ Active Cache Active Cache ༟ࣘཀಂۃ ࣛ d˴ਗࠠҴ༟ࣘ ତϞٙ-JCSBSZ HVBWB$BDIF-PBEFS
BUTMFHBDZDPEF˄ᗭҷd Ӕ֛˸ʔҷDPEFމͦᅺ

ెพ Active Cache Դ͜"01ౢɝ"EWJDF ᜫCVTJOFTTMPHJD˕౪"DUJWF$BDIF ਗ਼NFUIPEDBMMᔷϓDBDIFLFZ ൗ̅NFUIPEDBMMЇDBDIFSFGSFTITDIFEVMFS

active cache ెพ Active Cache request business logic KEY Cached
Refresh Scheduler business logic method call to cache key register key + method call to scheduler

active cache ెพ Active Cache request business logic Cached Refresh
Scheduler cache storage auto refresh business logic Դ͜٫޶Ցٙ CVTJOFTTMPHJD ॆ͍ٙ CVTJOFTTMPHJD

ెพ Active Cache "DUJWF$BDIF͉Ը݊މəಯˇഃܙࣛගணࠇ ׳ίථ၌ɪdܦ̷ಯˇə#VTZ+PCว༟๕ٙਪᕚ ຾͟DBDIFSFGSFTITDIFEVMFSࠢՓ-PBEJOH

ྼЪ Active Cache ዆᜗ٙ฿ׂܘᔊఊ Դ͜"01"EWJDFᘗ࿚NFUIPEDBMM ,&:NFUIPE BSHVNFOUT

ྼЪ Active Cache NFUIPE" VTFS*OGP TUS JOU NBQ PUIFS1PKP
LFZTJHOBUVSF@ BSHT<> BSHT<> BSHT<n> NFUIPE"@6TFS!BBBB@TUS@@\B C^@ NFUIPE"@VTFS@TUS@@\B C^@ ϞԬي΁UP4USJOHܝٙഐ؈ʔΥ͜d౬ϓՉ˼तᅄ˾ಁ

ྼЪ Active Cache ϞԬي΁dӚϞHFUUFSঐ՟੻तᅄl ͜"01ᘗ࿚ܔ࿴ɿਞᅰdႡЪᗆй༟ࣘ NFUIPE# VTFS-JTU DPNQBSBUPS NFUIPE#@VTFS@VTFS@n@DPNQBSBUPS!BC
NFUIPE#@VTFS@VTFS@n@DNQ!4PSU#Z%BUF

ྼЪ Active Cache "DUJWF$BDIFνОٝ༸༈һอək ݊6TFSխ̣ٙఱΟ$BDIF ݊4DIFEVMFSխ̣ٙఱ3FGSFTI javax.servlet.http.HttpServlet.service(HttpServlet.java:641) stacktrace 看到 HttpServlet.service
就當他是 User 唄

Ⴣ˙ ආɝථ၌ࣛ˾d 8FC"QQԱᔚ݊τༀί4FSWFSɪٙ ࠅνО؂ਕᕎዚג༰Ⴣٙ܄˒݊ࡈਪᕚ

Ⴣ˙ ܄˒௰ɽdШ܄˒ٙЗໄܘᏇ҄lll ڛזЬeڶᖯ౶eΙܓeࡾʿen ᕎ7.ዚגܘჃd Шᕎ$%/&EHF-PDBUJPOӚԟჿჃf

Ⴣ˙ л͜$%/ෂ჈ਗ࿒༟ࣘdቇΥᔊఊٙ3&45'6-4FSWJDF request / response λჃ˅ྪჃ

Ⴣ˙ λჃ˅ྪჃ ﬁlter CDN )551 ࡡԸҢࡁவჿڐ request / response ؂ਕٜՑ˰ޢٙး᎘
л͜$%/ෂ჈ਗ࿒༟ࣘdቇΥᔊఊٙ3&45'6-4FSWJDF DBDIFEVSM

Ⴣ˙؂ਕٜՑ˰ޢٙး᎘ νОԴ$BDIF&YQJSF $%/JOWBMJEBUJPOܘ࿔d౬༩ࢰܘҞ IUUQDEOUJNFXJOEPXUPLFOSDBDIFLFZ IUUQDEOUJNFXJOEPXUPLFOHDBDIFLFZ IUUQDEOUJNFXJOEPXUPLFOCDBDIFLFZ ⼩小⼼心安全問題，不要放敏感資料

$BDIF $%/ "DUJWF$BDIF ০࿁வϣਪᕚה፯኿ٙ˴ࠅ˙ج ྼ᜕׌ሯٙ˴ਗόҞ՟ ڢ੬ెพ ࠠอܠϽҞ՟ٙ࿁൥ၾഄଫ ؂ਕٜՑ˰ޢٙး᎘ 2" ϼᔚ8FCɪථ၌

deploy legacy web on the cloud

deploy legacy web on the cloud

More Decks by Ching Yi Chan

Other Decks in Programming

Featured

Transcript