mruby-2017-yeah

「ここまで出来るmruby」
builderscon Tokyo 2017

Transcript

1. !QZBNB
   
   (.0
   1FQBCP
   *OD
   
   CVJMEFSTDPO
   5PLZP
    ͜͜·Ͱग़དྷΔNSVCZ
3. νʔϑςΫχΧϧϦʔυ ࢁԼ
   ࿨඙
   
   !QZBNB ϗεςΟϯάࣄۀ෦ IUUQTUFOTOBQPODPN
5. -JOVYͷ౷߹Ϣʔβʔ؅ཧ 50.-ܗࣜ )551
   
   +40/ -%"1΍%#ͷ؅ཧͷӡ༻ෛՙ ѻ͍΍͍͢ϑΥʔϚοτ ൚༻ੑɾ֦ுੑ
6. Ͳ͜·Ͱग़དྷΔͷ
   NSVCZ
7. NSVCZͷಛ௃ ܰྔ3VCZ
   ૊ΈࠐΈ
   Մൖੑ
8. ܰྔ3VCZ $ valgrind ruby -e 'puts “buildercon Tokyo 2017 Yeah!!!!” ==3537== HEAP SUMMARY: ==3537== in use at exit: 2,719,641 bytes in 23,303 blocks ==3537== total heap usage: 48,117 allocs, 8,876,176 bytes allocated $ valgrind mruby -e 'puts “buildercon Tokyo 2017 Yeah!!!!” ==3638== HEAP SUMMARY: ==3638== in use at exit: 0 bytes in 0 blocks ==3638== total heap usage: 4,468 allocs, 483,579 bytes allocated লϝϞϦ
9. ܰྔ3VCZ $3VCZͱͷҧ͍ ૊ΈࠐΈ༻్
   ඪ४ϞδϡʔϧɾΫϥε
   HFN
   
   NSCHFN
   3FHFYQ΍'JMFͳͲNSVCZͰ͸֦ுѻ͍ OP
   HFN
   JOTUBMM
10. ૊ΈࠐΈ লϝϞϦΛ׆͔ͯ͠ϛυϧ΢ΣΞ΁
    ૊ΈࠐΈ NPE@NSVCZ
    OHY@NSVCZ "QBDIF
    )551%
    
    4FSWFSͷઃఆ΍τϥϑΟοΫΛNSVCZͰ੍ޚ NPE@NSVCZ૬౰ͷಈ࡞ΛOHJOYͰ࣮ݱ
11. NPE@NSVCZ "QBDIF
    )551% mrubyFixupsFirst (ap_hook_fixups) mrubyLogTransactionLast (ap_hook_log_transaction) ɾ ɾ ɾ request *G.PEVMF
    NPE@NSVCZD
    
    
    NSVCZ'JYVQT'JSTU
    FUDIUUQEDPOGEIPPLSC
    DBDIF
    *G.PEVMF # hook.rb Apache.echo "hello world!" "QBDIFͷϑοΫΛར༻͠ɺNSVCZΛ࣮ߦ
12. Մൖੑ ΫϩείϯύΠϧ
    ΦϖϨʔγϣϯπʔϧ
    
    
    
    NSVCZDMJ IUUQTHJUIVCDPNIPOFNSVCZDMJ
13. NSVCZΛར༻ͨ͠։ൃ
    NSCHFN
14. HFNͱNSCHFNͷҧ͍ ࢀর ಺แ ίϯύΠϧ
    ಈ࡞؀ڥ NSCHFN͸ίϯύΠϧ࣌ʹNSVCZʹ
    ૊ΈࠐΈ ϑΝΠϧγεςϜ͕ଘࡏ͠ͳ͍ಈ࡞؀ڥ΋
    ͋ΔͨΊɺSFRVJSF΍MPBE͸ඪ४Ͱ͸
    αϙʔτ֎ gem CRuby CRuby mruby mrbgem
15. NSCHFN SFRVJSF͕ͳͯ͘΋ϑΝΠϧΛ෼ׂͰ͖Δ
    ࠶ར༻ੑ
    ίϯύΠϧͰߟྀ͞ΕΔͷͰɺϑΝΠϧΛ෼ׂͯ͠؅ཧग़དྷΔ HFNͱߟ͑ํ͸ࣅ͍ͯΔ
    3VCZ(FNTʹ͋ͨΔNHFNMJTU
16. NSCHFNΛ։ൃ͢Δ ݴޠ͸3VCZ͔$ݴޠΛओʹར༻ 3VCZ ᶃ ܭࢉίετͷ௿͍ॲཧΛ
 ੜ࢈ੑߴ͘։ൃ
    ᶄ $ݴޠͰ։ൃͨ͠ΫϥεΛ
 ར༻ͨ͠ϏδωεϩδοΫ ᶃ ܭࢉίετͷߴ͍ॲཧΛ࣮૷
    ᶄ γεςϜɾίʔϧ΍"1*Λར༻ $ݴޠ
17. NSCHFNΛ։ൃ͢Δ NSVCZNSCHFNUFNQMBUF /mruby-builderscon |--mrblib | |—mrb_builderscon.rb |—Rakefile |--src | |--mrb_builderscon.c | |--mrb_builderscon.h |--test | |--mrb_builderscon.rb |--mrbgem.rake NSVCZͷ֦ுϞδϡʔϧͰ͋ΔNSCHFNͷςϯϓϨʔτΛࣗಈͰੜ੒͢ΔNSCHFN࡞ͬͨʯ
    
    
    
    
    
    IUUQCMPHNBUTVNPUPSKQ Q ਺ߦͷઃఆϑΝΠϧͰίʔυͷ਽ܗɺ
    ίϯύΠϧఆٛɺςετɺ3FBENFɺ
    ϥΠηϯεϑΝΠϧΛ࡞੒
18. ͳͥ๻͸ɺNSVCZͳͷ͔
19. NSVCZ͸
    -JHIU
    -BOHVBHFͷ΋͏Ұาઌ΁
    ΤϯδχΞΛ੒௕ͤ͞Δ
20. $ݴޠ΍γεςϜϨΠϠʔͱͷ
    ग़ձ͍
21. ࠶ܝ NSVCZͷಛ௃ ܰྔ3VCZ
    ૊ΈࠐΈ
    Մൖੑ
22. NSVCZͷಛੑΛ׆͔͢ͳΒ
    ௿ϨΠϠʔ
23. ΑΓਂ͘જΔͨΊʹ NSVCZTJHOBMUISFBE εϨουηʔϑͳ4JHOBMΫϥε
    ॲཧ͍ͨ͠γάφϧҎ֎ΛTJHNBTLͨ͠εϨουͰ
 TJHXBJU͢Δ
    4QFDJBM
    5IBOLT
    IUUQTHJUIVCDPNLTTTNSVCZTJHOBM
24. ΑΓਂ͘જΔͨΊʹ main thread(pid:X) signal thread kill -HUP X SignalThread.trap(:HUP) do configure.reload end reload ᶃγάφϧىಈ ᶄ)61γάφϧΛϝΠϯεϨουͷ1*%΁ૹΔ NSVCZTJHOBMUISFBE
25. ΑΓਂ͘જΔͨΊʹ
26. NSVCZ
    4ZNCPM hash = { key: “ઈର༏উ͢Δͧ” } LFZ͸ͲͷΑ͏ʹղܾ͞Ε͍ͯΔʁ
27. ͦ͜ʹίʔυ͕͋Ε͹
    ෼͔Εͳ͍͜ͱ͸Ұͭ΋ͳ͍
28. NSVCZ͸௥͍΍͍͢ /mruby-builderscon |--mrblib | |—mrb_builderscon.rb |—Rakefile |--src | |--mrb_builderscon.c | |--mrb_builderscon.h |--test | |—mrb_builderscon.rb |--build_config.rb |--mruby CVJME@DPOpHSC
    NSVCZ
    3VCZͷ%4-ͰNSVCZͷϏϧυઃఆ NSVCZͷιʔεҰࣜ .#
    HJUIVCDPNNSVCZNSVCZ
29. σόοάͷ͠΍͢͞ ࠷దԽఀࢭ
    NSVCZͱNSCHFNΛڥͳ͘σόοά
    DUBHTඞܞ DPOGDDqBHT
    
    0
    H
30. HEC $ gdb mruby/bin/mruby (gdb) b mrb_sym2name (gdb) run example/builderscon.rb (gdb) p name $3 = 0x70d4b0 “Lazy” … (gdb) p mrb->symtbl[0] $6 = {lit = 1 '\001', len = 9, name = 0x474950 "inherited"} (gdb) p mrb->symtbl[1] $7 = {lit = 1 '\001', len = 12, name = 0x4748b2 "__attached__"} (gdb) p mrb->symtbl[2] $8 = {lit = 0 '\000', len = 11, name = 0x6c1e20 "BasicObject"}
31. mrb->symtbl [0] name =>inherited [1] name => __attached__ … [10] name => Lazy … [31] name => USR1 NSVCZ
    4ZNCPM 4ZNCPM
    5BCMF mrb_value :USR1 => sym => 10
32. OBNFUP@T
33. ໰୊ͷઌૹΓΛಉ྅͕ϑΥϩʔ͢Δ
    νʔϜϓϨΠ͕ϖύϘʹ͸͋Γ·͢ SFGTIUUQTHJUIVCDPNNBUUONSVCZUISFBEQVMM
34. NSCHFNͷσόοά͸
    NSVCZͱͷͭͳ͕Γ͕ڧ͍
    ͭ·Γ
    ݴޠ΁ͷཧղ͕ਂ·Δ
35. 4&(7
36. Նͷ෩෺ࢻ
    ηάϝϯςʔγϣϯϑΥʔϧτ ϝϞϦͷΞΫηεҧ൓
    ม਺ॳظԽ࿙Ε
    Ṗόά
37. CFGPSF
    NSVCZ
38. BGUFS
    NSVCZ # gdb /usr/sbin/nginx core.11528 GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-94.el7 Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details.
39. HECͰσόοά ม਺͕/6-- ίϯύΠϧ
    Φϓγϣϯʁ
    ϚΫϩʁ
    FUD HECͷ͋Δ฻Β͠ ௐ΂Δ ෼͔Δ ରॲ͢Δ
40. CFGPSF BGUFS
41. ਂ͘ཧղ͢Δͱ͍͏͜ͱ NSVCZ͚ͩͰ͸ͳ͍ීวత஌ࣝ
    *OUFSOFUΑΓԶͷ΄͏͕ৄ͍͠ମݧ HECσόοά͚ͩͰ͸ͳ͘ɺ,FSOFMɺ$ϥΠϒϥϦपลͷ஌ࣝ
    ϛυϧ΢ΣΞ΍ɺ04ͷϘτϧωοΫ΍ύϥϝʔλʔʹഭΕΔΑ͏ʹͳΔ ݕࡧͯ͠΋ग़ͯ͜ͳ͍஌ࣝΛಘΔաఔͰֶͿ͜ͱ΍ɺ
    ໰୊ʹରͯ͠ɺ௥͍੾Δͱ͍͏͜ͱ
42. NSVCZʹݟग़͢
    ΤϯδχΞͱͯ͠ͷνϟϯε
43. NHFNMJTU NSCHFNΛެ։͢ΔϦϙδτϦ
44. NSCHFNSBLF NSCHFNͷґଘؔ܎
    ίϯύΠϧΦϓγϣϯΛఆٛ MRuby::Gem::Specification.new('mruby-signal-thread') do |spec| spec.license = 'MIT' spec.authors = 'pyama86' spec.cc.flags << "-DMRB_THREAD_COPY_VALUES" spec.add_dependency 'mruby-thread' spec.add_test_dependency 'mruby-process' end
45. 
46.  ࣌఺ͷNHFNMJTU
    SVCZHFNTPSHͷొ࿥਺
47. 
    
     NSCHFNԽ͞Εͯͳ͍ϥΠϒϥϦ
    (FN
    UP
    NSCHFN PQFOTTM
    UIPS
    GBSBEBZ NSVCZBDNFDMJFOU
48. 'BTU
    $FSUJpDBUF ngx_mruby acme-client Redis client ʮOHY@NSVCZͰ࠷ॳͷ)5514ΞΫηε࣌ʹࣗಈͰূ໌ॻΛઃఆՄೳʹ͢Δ
    ɹ'BTU$FSUJpDBUFͷఏҊͱ1P$ʯ
    ɹɹIUUQICNBUTVNPUPSKQFOUSZ ᶃΫϥΠΞϯτ͔ΒΞΫηε
    ᶄOHY@NSVCZ͔Β3FEJTʹΞΫηε͠ɺূ໌ॻͷ༗ແΛ֬ೝ
    ᶅূ໌ॻ͕ͳ͍৔߹ɺ-FU`T&ODSZQUΛར༻ͯ͠৽نൃߦ
    ᶆൃߦͨ͠ূ໌ॻΛ3FEJTʹॻ͖ࠐΉ
    ᶇΫϥΠΞϯτ͸IUUQT௨৴Ͱ͖Δ
49. NSVCZBDNFDMJFOU VOJYDIBSMFTBDNFDMJFOU
    SVCZPQFOTTM -FU`T&ODSZQUΛར༻ͨ͠ূ໌ॻൃߦ ূ໌ॻͷൃߦʹඞཁͳϞδϡʔϧɺΫϥεΛDMPOF
50. (FN
    UP
    NSCHFN $3VCZͱͷࠩҟ͸ϚΫϩͰରॲ͢Δ
    $3VCZͷ࣮૷ʹҾ͖ͮΒΕ͗͢ͳ͍
51. $3VCZͱͷࠩҟ͸ϚΫϩͰରॲ͢Δ #define VALUE mrb_value #define ID mrb_sym #define SYM2ID(mrb, o) mrb_sym2str(mrb, mrb_symbol(o)) #define ID2SYM(o) mrb_symbol(o) $3VCZͰ͸ఆٛࡁΈɺNSVCZͰ͸ະఆٛͳ
    ϚΫϩ΍ϝιου͸ͦΕͳΓʹ͋Δ
52. όουϊ΢ϋ΢
    ஔ׵
53. όουϊ΢ϋ΢
    த్൒୺ͳ࠷దԽ
54. $3VCZͷ࣮૷ʹҾ͖ͮΒΕ͗͢ͳ͍ Linux Ruby on Rails CRuby Linux nginx mruby ద༻ྖҬ͕ҟͳΔͷͰ
    ࣅͯඇͳΔ΋ͷͱߟ͑Δ
55. ͱ͖ʹ͸ׂΓ੾Δ ڱ͍ͱ͜ΖͰ࢖͏ͳΒ͹ແཧʹ޿͘αϙʔτ͠ͳ͍
    ΠϯλʔϑΣʔε΋؀ڥʹ߹Θͤͯ΍͍͖ͬͯ
56. NSVCZͰ΍͍͖ͬͯ ͋ͳͨ΋ஶ໊ͳϥΠϒϥϦͷ࡞ऀʹ
    NSVCZ͔Β޿͕ΔϨΠϠʔͷੈքɺͦͷઌʹ
    
57. զʑ͸Ͳ͏΍ͬͯདྷ͔ͨ
59. ΍͍͖ͬͯن໛ Ϣʔβʔ਺ສਓ
    αΠτ਺ສαΠτ
    ΞΫηε਺
    ԯΞΫηε೔
    ௒ߴूੵϨϯλϧαʔό
    1SPYZ͸OHJOYɺ6TFST͸"QBDIF
    )551%Λ࠾༻
61. ϦϦʔεޙɺ
    ̍िؒͰ
    ສαΠτҎ্͕
    )5514
    
    )551
62. 44-ূ໌ॻͷ؅ཧ TJUFFYBNQMFDPN ൿີ伴 ূ໌ॻ ̍ສຕͷূ໌ॻ؅ཧ ഑෍ํࣜ ෳ਺ͷαʔόʹͲͷΑ͏ʹ഑෍͢Δ͔ ߋ৽ ߋ৽ظݶͷ؅ཧ΍ɺߋ৽͸Ͳ͏ߦ͏͔ ཤྺ όʔδϣχϯάͲ͏͢Δ͔ɺ੾Γ໭͠ σʔλ͸͋Δ͔
63. server { listen 443 ssl http2; ssl on; ssl_certificate /etc/letsencrypt/live/example.com/fullchain.pem; ssl_certificate_key /etc/letsencrypt/live/example.com/privkey.pem; ssl_session_timeout 1d; ssl_session_cache shared:SSL:50m; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; server_name example.com; root /var/www/releases; } º
    
64. ಈతূ໌ॻಡΈࠐΈ
65. OHY@NSVCZ
    
    ূ໌ॻͷಈతಡΈࠐΈ ਃ͠ࠐΈ
    ϖʔδ HPMBOH
    &DIP TJEFLJR .Z42- OHY@NSVCZ SFEJT
    
    
    
    
    
    
    
    NSVCZ@TTM@IBOETIBLF@IBOEMFS@DPEF
    
    
    
    
    
    
    
    
    
    
    
    TTM
    
    /HJOY44-OFX
    
    
    
    
    
    
    
    
    
    
    EPNBJO
    
    TTMTFSWFSOBNF
    
    
    
    
    
    
    
    
    
    
    SFEJT
    
    6TFSEBUBOFXSFEJT
    
    
    
    
    
    
    
    
    
    
    TTMDFSUJpDBUF@EBUB
    
    SFEJT<\EPNBJO^DSU>
    
    
    
    
    
    
    
    
    
    
    TTMDFSUJpDBUF@LFZ@EBUB
    
    SFEJT<\EPNBJO^LFZ>
    
    
    
    
    
    
    
    
    
    
66. OHY@NSVCZ ಈతϓϩΩγ
    σʔλΞΫηεͷNSCHFNԽ
67. ಈతϓϩΩγ OHY@NSVCZ VTFST FYBNQMFDPN VTFST FYBNQMFDPN .Z42- MPDBUJPO
    
    \
    
    
    
    
    
    NSVCZ@TFU
    CBDLFOE
    WBSMJCNSVCZIPPLSC
    DBDIF
    
    
    
    
    JG
    CBDLFOE
    
    
    \
    
    
    
    
    
    
    SFUVSO
    
    
    
    
    
    ^
    
    
    
    
    
    
    
    QSPYZ@QBTT
    
    IUUQTCBDLFOE
    ^
    
68. ಈతϓϩΩγ αʔόͷઃఆมߋ͕ෆཁ
    ҠઃΛ$IBU0QT
    ৼΓ෼͚ઌͷࣗ༝౓
69. σʔλΞΫηεΛNSCHFNԽ Inmemory KVS Redis MySQL fetch fetch cache cache IUUQTHJUIVCDPNQFQBCPNSVCZNTE සൟʹΞΫηε͢Δ৘ใ΄ͲΦϯϝϞϦͰॲཧ
70. αʔόෛՙࣗಈ੍ޚ
71. αʔόෛՙରԠ ͍͢͝τϥϑΟοΫ ߈ܸɾԌ্ ಉ࣌઀ଓ਺੍ݶ αʔό
    ಉډऀ ؂ࢹһ BQBIDF
    )551%
72. ෛՙ੍ޚͷࣗಈԽ (PMBOHͰϩάύʔαʔΛ࣮૷
    NSVCZIUUQBDDFTTMJNJUFS
    NSVCZDHSPVQ
73. (PMBOHͰϩάύʔαʔΛ࣮૷ 1SPEVDU
    OBNF
    BMCB ໷໌͚ ᶃ աڈ/෼ͷϩάΛ5BJM
    ᶄ 8FCαʔόͷॲཧ࣌ؒΛΞΧ΢ϯτɺWIPTU͝ͱʹूܭ
    ᶅ ᮢ஋ɺαϯϓϦϯά਺ͳͲͷ৚݅෇
74. NSVCZBDDFTTMJNJUUFS NPE@NSVCZͱ૊Έ߹Θͤͯɺ
    NSVCZͰಉ࣌ΞΫηε਺Λ੍ޚ͢ΔNSCHFN BQBIDF
    )551%    CMPDL
75. NSVCZBDDFTTMJNJUUFS ༨ஊ 7JSUVBM)PTU
    
    
    
    
    
    %PDVNFOU3PPU
    IPNFVTFSTFYBNQMFDPNXFC
    
    
    
    
    4FSWFS/BNF
    FYBNQMFDPN
    
    
    
    
    7IPTU.BY$MJFOUT
    
    
    
    
    
    "EE)BOEMFS
    BQQMJDBUJPOYIUUQEQIQ
    QIQ
    
    
    
    
    "EE5ZQF
    
    
    
    BQQMJDBUJPOYIUUQEQIQ
    QIQ
    7JSUVBM)PTU Ҏલ͸NPE@WIPTU@NBYDMJFOUTΛ
    ར༻ͯ͠઀ଓ਺੍ޚ IUUQTHJUIVCDPNNBUTVNPUPSZNPE@WIPTU@NBYDMJFOUT WIPTU͝ͱʹಉ࣌઀ଓ਺Λهड़Մೳ
76. NSVCZBDDFTTMJNJUUFS ༨ஊ NPE@WIPTU@NBYDMJFOUT
    Ͱ͸
    (SBDFGVM
    3FTUBSU͕ඞཁ (SBDFGVM
    3FTUBSUʹ͓͚ΔҰ࣌తͳෛՙ૿୆
    ੤໿ͱ੍໿͔Βɺͦͷଞͷιϑτ΢ΣΞ͔Βѻ͍ͮΒ͍ঢ়ଶ NPE@WIPTU@NBYDMJFOUTΛར༻ͨ͠
    ઀ଓ੍ݶͷ՝୊
77. ੤໿ͱ੍໿ "QBDIF
    )551%ͷϢʔβʔ͝ͱͷઃఆϑΝΠϧͷมߋͷ
    ࢓༷͕ݱࡏͷઃఆϑΝΠϧΛύʔεͯ͠ɺઃఆͷ௥Ճ࡟আΛ
 ߦ͍ͬͯΔ 7JSUVBM)PTU
    
    
    
    
    
    %PDVNFOU3PPU
    IPNFVTFSTFYBNQMFDPNXFC
    
    
    
    
    4FSWFS/BNF
    FYBNQMFDPN
    
    
    
    
    "EE)BOEMFS
    BQQMJDBUJPOYIUUQEQIQ
    QIQ
    
    
    
    
    "EE5ZQF
    
    
    
    BQQMJDBUJPOYIUUQEQIQ
    QIQ
    7JSUVBM)PTU %PDVNFOU3PPU
    IPNFVTFSTFYBNQMFDPNXFC
    4FSWFS/BNFFYBNQMFDPN
    "EE)BOEMFS
    BQQMJDBUJPOYIUUQEQIQ
    QIQ
78. ઃఆϑΝΠϧΛมߋ͢Δ͜ͱͳ͘
    ಈతʹ੍ޚ
79. NPE@NSVCZ NSVCZBDDFTTMJNJUUFS BMCB BDDFTTMPH MJNJUZNM MPDBM
    NFNDBDIF BDDFTT
    MJNJUUFS ϩάղੳ ੍ݶઃఆ࡞੒ ੍ݶઃఆ͕ଘࡏ͢Δ৔߹ʹϝϞϦಡΈࠐΈ MPDBMNFNDBDIF ΠϯϝϞϦ,74
    Λར༻͢Δ͜ͱͰઃఆͷ࠶ಡࠐΛෆཁʹ IUUQTHJUIVCDPNNBUTVNPUPSZNSVCZMPDBMNFNDBDIF
80. NSVCZDHSPVQ
81. DHSPVQ
    
    $POUSPM
    (SPVQ
    ϓϩηεΛάϧʔϓԽ͠ɺάϧʔϓʹରͯ͠ $16ར༻࣌ؒ΍ɺϝϞϦར༻ྔͷ੍ݶΛ
    ߦ͏͜ͱ͕ग़དྷΔ
82. NSVCZDHSPVQ IUUQE IUUQE $16
    ར༻࣌ؒ ಉ࣌઀ଓ੍ݶͰ཈੍Ͱ͖ͳ͍ɺ
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83. ࣗಈ੍ޚͷ͋Δੈք ͍͢͝τϥϑΟοΫʜ ߈ܸɾԌ্ αʔό
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85. ίϯςφܕΫϥ΢υϗεςΟϯά NSVCZ࣮૷ͷίϯςφϥϯλΠϜ
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91. ϚωʔδυΫϥ΢υͱNSVCZ IBDPOJXB
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95. NSVCZJQWTBEN IUUQTHJUIVCDPNQZBNBNBEBN 
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96. NSVCZJQWTBEN 1SPYZ $POTVM
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