deploy legacy web on the cloud

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老舊 Web 上雲端 qrtt1 #JCConf

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

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

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

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老舊 Web 上雲端 ݊ɓ၇࿁׵ೌجၪᚐٙ8FCਖ਼ࣩٙయ၈

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

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

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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

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

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S1 S2 LB ຅Դ͜ඎ တ̈Ըࣛn Ѣྤ

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S1 S2 LB ೌج؂ਕeϥዚeஹʔɪeࠠක ᑋ׼ٙ-#  ึኬΣᒔঐਗٙዚኜ

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S1 S2 LB ೌج؂ਕeϥዚeஹʔɪeࠠක ᑋ׼ٙ-#  ึኬΣᒔঐਗٙዚኜ

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S1 S2 LB Ѣྤ Ϥɗ $SBTIᔔᔔؐ ߮༻ٙ4ZT"ENJO

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S1 S2 LB ථ၌ ຅Դ͜ඎ တ̈Ըࣛn

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S1 S2 LB ථ၌ S3 S4 ఱ̋һεዚኜᱍϞ፺ॆλ

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

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ν؈ЫܘϞ፺

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貴、順、爽貴、順、爽 LB ̙˸൯ܘ൮ٙዚኜ

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窮窮 LB ̙݊๿ɭ ɓছٙʃʮ̡  ε̒΋͟ک֝ٙዚኜක֐಻༊

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

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Ꮸী request business logic db query

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Ꮸী request business logic cache db query

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

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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 */ } } }

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

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ܠ༩ Active Cache request cache heavy business logic ϞҞ՟dఱ݊න

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

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

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

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

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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

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

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

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

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

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ྼ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

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ྼ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

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

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

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

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

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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

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