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isucon3反省会資料
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Yosuke Furukawa
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November 18, 2013
Programming
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isucon3反省会資料
Yosuke Furukawa
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November 18, 2013
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Transcript
NODER ISUCON3 ࢀઓه
NODER @yosuke_furukawa Application Engineer @hakobera Application Engineer @hokaccha Application Engineer
NODER @yosuke_furukawa Application Engineer @hakobera Application Engineer @hokaccha Application Engineer
ALL Node.js developers No OPS side engineers
RESULT
RESULT FAILED orz….
ࣦ֨ͨ͠தͰ ҰҐͩͬͨΑ!!
ࣦ֨ͨ͠தͰ ҰҐͩͬͨΑ!! ಉ྅ͷํʑͷԠ
লձͱশͯࣗͨͪ͠ͷ يΛ͍ͨ͠!! ࠓि༵ۚʹISUCONল ձΓ·͢Αʔɻ Γʹધ
NODERܾ·Γࣄ • ༧બͷ࣌ͷলΛ׆͔ͯ͠࠷ॳͷҰ࣌ؒڥߏஙͱ ίʔυղੳͱϘτϧωοΫௐࠪ • ෳ༧Ͱ͖Δ͔Βෳͷߏ࡞ΕͨΒ·ͨprofile ͠ͳ͕ΒϘτϧωοΫௐࠪͱPDCAΛճͤΔΑ͏ʹɻ • ༻ҙ͞ΕͯΔίϚϯυࢼ͢ɻworkload =
1ͷ࣌ͷମແ ͍ࣄΛ͠ͳ͍Α͏ʹɻ
NEW RELIC͍͍ײ͡
NEW RELIC͍͍ײ͡ ϘτϧωοΫtimelineͱ imageͷget
SERVERS Reverse proxy/App DB App App Image
SERVERS Reverse proxy/App DB App App Image ϘτϧωοΫͷը૾ॲཧ෦ׂɻ DBૉʹׂɻ ͋ͱ͋·Γݥͤͣૉͳߏʹɻ
IMAGE • ʮը૾ॲཧ෦͕୯७ʹimagemagickͷ֎෦ίϚϯυݺग़ͩ͠ɾɾʯ • ʮ͜͜NodeֶԂࡇͰmash͞Μ͔Βͷൃදʹ͋ͬͨimagemagick-nativeΛ͓͏!ʯ • ࢀߟɿhttp://www.slideshare.net/maaash/nodefest2013?ref=http://maaash.jp/2013/10/ nodefest2013/
IMAGE • ʮը૾ॲཧ෦͕୯७ʹimagemagickͷ֎෦ίϚϯυݺग़ͩ͠ɾɾʯ • ʮ͜͜NodeֶԂࡇͰmash͞Μ͔Βͷൃදʹ͋ͬͨimagemagick-nativeΛ͓͏!ʯ • ࢀߟɿhttp://www.slideshare.net/maaash/nodefest2013?ref=http://maaash.jp/2013/10/ nodefest2013/ ͜ΕNodeֶԂͰͬͨͱͩ͜ঢ়ଶ
imagemagickͷίϚϯυݺग़͠ͱimagemagick-nativeͷੑೳࠩ (؆୯ͳը૾ͷαϜωΠϧ࡞ͷ࣌ͷॲཧ࣌ؒ(ms)ͷࠩ) 0 2.25 4.5 6.75 9 imagemagick imagemagick-native 0.87
8.07 9ഒߴ imagemagick-nativeΛͬͨཧ༝
࣮࡞ۀ͘͘ɻɻɻ
Ѩඓڣשͷਤ ͏Θ͊ɺෳߏʹͨ͠Β mysqlʹଓͰ͖Μ(ref࣮ͷόά)!! 413 Request Entity Too Large ͱ͔ status
failed got: 596ͱ͔มͳΤϥʔͰͯΔ imagemagickͷinstallʹΫΔɻ
·͊ͳΜͱ͔ͦͷลͷෆ۩߹ΛऔΓΓɺ είΞ12000ఔʹ্͕Δͷͷɻɻɻ
2013-11-09T17:15:32 [50122][CRITICAL] icon diff > 20%
2013-11-09T17:15:32 [50122][CRITICAL] icon diff > 20% ͜ͷը૾diffͷෆ۩߹͚ͩ औΓআ͚ͣɻɻɻ ͜ͷ࣌Ͱ͋ͱ 45ɻɻɻ
࠷ޙ·Ͱ৭ʑΔͷͷɻɻɻ
࠷ޙ·Ͱ৭ʑΔͷͷɻɻɻ ແཧͰͨ͠ɻɻɻɻɻɻɻɻɻ
͋ͱͰfujiwara͞Μʹฉ͍ͨΒ icon48x48ͰͦΕΛ32x32ʹ͢Δ͔Β ը૾ϥΠϒϥϦͰΞϧΰϦζϜมΘΔͱ݁ߏ ͕ࠩग़Δɻ ! ͋ͱಁաpngͱ͔ૹΔ͔ΒͦͷลΓ͡Όͳ͍͔ ͳʔ
(ƅшƅ)Űŕ! ಁաpngɻɻɻɻɻ
srd!!!! ! DEMO
मਖ਼ͨͬͨͷҰߦɻɻ ͜͜ͷformatΛະࢦ ఆ͡Όͳͯ͘ɺfile ϑΥʔϚοτΛࢦఆ͢ ΔΑ͏ʹ͠ͳ͍ͱμϝɻ
ল • ͱʹ͔͘མͪண͖͕ͳ͔ͬͨɻ • ը૾มϥΠϒϥϦͷ͍ํʹ׳Εͯͳ͍ॴ ͕ଟ͘ɺը࣭ௐͱ͔ଞͷύϥϝʔλʹ͕ ߦͬͯͯ࠷ޙ·ͰযΓʹযͬͯऴΘͬͨɻ
վળ • ݱΛ͖ͪΜͱѲͯ͠ରॲ͢ΔεΩϧͱܦݧෆ • ը૾νΣοΧʔ༻ҙ͞Εͯͨͷʹ͍͜ͳͤͳ͔ͬͨɻ • benchπʔϧtargetͷҙຯΛͪΌΜͱཧղͯ͠ͳ͔ͬͨɻ • Ҿ͖ग़͠ͷෆ •
WebDAVͱ͔ɻɻ
ڭ܇ • ਪଌ͢ΔͳɺܭଌͤΑɻ • ܭଌ͢Δ༨༟Λ࣋ͪɺͦͷ࣌ؒଳ·Ͱߟྀ ʹೖΕͯεέδϡʔϦϯάͤΑɻ
ඇৗʹྑ͍ʹ८Γ͋͑ͯɺײँ͓ͯ͠Γ·͢ɻ Λ࡞͍͍ͯͨͩͨ͠kayacͷօ༷ɺ ॴΛఏڙ͍͍ͯͨͩͨ͠LINEͷօ༷ɺ αʔόʔΛఏڙ͍͍ͯͨͩͨ͠DATA HOTELͷօ༷ɺ ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ ·ͨɺ͜ͷΑ͏ͳলձͷػձΛ͍͖ͨͩେมײँͯ͠·͢ɻ ࣍ճࢀՃ͠·͢ʂʂϦϕϯδ͍ͤͯͩ͘͞͞ʂʂ NoderҰಉ