ウェブオペレーションエンジニアになるまでの思い出 / Memories until I become a web operations engineer

by Yuuki Tsubouchi (yuuk1)

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΢ΣϒΦϖϨʔγϣϯ ΤϯδχΞ ʹͳΔ·Ͱͷࢥ͍ग़ id:y_uuki Hatena Engineer Seminar #7 @Tokyo

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΢ΣϒΦϖϨʔγϣϯ͸ ٕܳͰ͋ΓՊֶͰ͸ͳ͍ [1] ΢ΣϒΦϖϨʔγϣϯʔʔαΠτӡ༻؅ཧͷ࣮ફςΫχοΫ, O’REILLY [1]

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ٕܳʹڭՊॻ͸ͳ͍

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Ͳ͏΍ֶͬͯͿͷ͔

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id:y_uukiͷࢥ͍ग़

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ֶ෦1೥ Linuxͱͷग़ձ͍

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͓͕ۚͳ͔ͬͨͷͰ OSͳ͠ͷதݹͷϊʔτPCΛങ͏ ࡶࢽͷ෇ଐͷΠϯετʔϧϝσΟΞͰ Ubuntu 8.04 Λ͍ΕΔ

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$ ls -l / /bin /boot /dev /etc …

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????? /home ҎԼ͔͠Θ͔Βͳ͍

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http://www.pathname.com/fhs/

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ύΠϓ? Ϛ΢ϯτʁ σόΠευϥΠόʁ Grub? ϒʔτϩʔμʔ?

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ίϚϯυϥΠϯΠϯλϑΣʔε ʹಌΕ͕͋ͬͨ

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ֶ෦2೥ Cݴޠ

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෕਌͕ࣸܦ͔͠Ͱ͖ͳ͍ͷʹ ੲ͔ΒCݴޠͷຊΛେྔʹങ͍ͬͯͨ ΅Μ΍ΓಡΜͰͨΓͯ͠ ͔͍͍ͬ͜Πϝʔδ͕͋ͬͨ

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͕Μ͹ͬͯK&RΛ ಡΜͰ͍ͨ

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ֶ෦3೥ ΞϧόΠτ

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C => Java

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CݴޠͷڊେϓϩδΣΫτ ඪ४ϥΠϒϥϦؔ਺ʹ ଟগৄ͘͠ͳΔ

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OS΍ϛυϧ΢ΣΞ͸ େ఍CݴޠͰॻ͔Ε͍ͯΔ

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ͷͪʹγεςϜιϑτ΢ΣΞͷ ιʔείʔυಡղྗ΁

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ֶ෦3೥ ωοτϫʔΫϓϩάϥϛϯά

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େֶͷ՝୊: CݴޠͰ echoαʔόͱΫϥΠΞϯτ

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ҰਓͰݹయΛಡΜͰ͍ͨ Α͘Θ͔Βͳ͍͚ͲUNIX͕޷͖ ߗ೿ͳΠϝʔδ

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ͷͪʹ Webαʔόͷ࢓૊Έͷཧղ΁

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http://blog.yuuk.io/entry/2015-webserver-architecture

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ֶ෦4೥ ͸ͯͳΠϯλʔϯ

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id:halfrackͷΠϯϑϥߨٛ

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൒෼͘Β͍ Α͘Θ͔Βͳ͔ͬͨ

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Ͱ΋͓΋͠Ζͦ͏

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proxy app db- master db master proxy app db proxy proxy app app app db-slave db-slave

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CF RMF LMF OMF DMF DMF RSB LSB CB CB GK FW MF DF GK

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CF RMF LMF OMF DMF DMF RSB LSB CB CB GK FW MF DF GK αοΧʔͷ γεςϜ͕޷͖

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γεςϜ͕ ޷͖

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ݚڀ

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CPU GPU TCP LinuxΧʔωϧ

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ϓϩηοαͱ͔ Θ͔ΒΜ

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ωοτϫʔΫ ͱ͔Θ͔ΒΜ

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http://blog.yuuk.io/entry/2013/04/22/021531

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গ͠͸ձ࿩ Ͱ͖ΔΑ͏ʹ

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େֶӃ ͸ͯͳͰΞϧόΠτ

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ࣾ಺Mackerelͷ։ൃ

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Perl

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Perl × ΢ΣϒΦϖϨʔγϣϯ ΤϯδχΞ kazeburo͞Μͱ͔fujiwara͞Μͱ͔

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id:halfrack ʮTCPͷTIME_WAIT ஌ͬͯΔʁʯ

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ڭՊॻʹॻ͍ͯΔ͚Ͳ ͦΜͳʹ͸஌ΒΜ

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ݱ৔ͰίωΫγϣϯരൃ ͱ͔͢Δͱ ໰୊ʹͳΔ͜ͱ͕

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৘ใՊֶͷ஌ࣝ ͱ ݱ৔Ͱͷ׆༻

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͓΋͠Ζ͍

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Linux Cݴޠ CPU Perl TCP Χʔωϧ ωοτϫʔΫ ϓϩάϥϛϯά γεςϜ͕޷͖

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ΦϖϨʔγϣϯ ΤϯδχΞܦݧθϩ

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ڭՊॻ͕ͳ͍ͳΒ ఺ͱ఺Λͭͳ͙

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Unix Cݴޠ CPU Perl TCP Χʔωϧ ωοτϫʔΫ ϓϩάϥϛϯά γεςϜ͕޷͖

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ΦϦδφϧͷ ઢΛҾ͍͍ͯ͘

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http://blog.yuuk.io/ ଓ͖͸ϒϩάͰ

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΢ΣϒΦϖϨʔγϣϯ ΤϯδχΞ ʹͳΔ·Ͱͷࢥ͍ग़ id:y_uuki Hatena Engineer Seminar #7 @Tokyo