IDCFクラウドを使ってどこまでチューニングできるか試してみた

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IDCFΫϥ΢υΛ࢖ͬͯ Ͳ͜·ͰνϡʔχϯάͰ͖Δ͔ ࢼͯ͠Έͨ גࣜձࣾϋʔτϏʔπ ӡ༻ελοϑ Ѩ෦وথ

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͸͡Ί·ͯ͠!

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ࣗݾ঺հ • ࢯ໊: Ѩ෦وথ • ৽ଔ1೥໨ ೖࣾ4೥໨ • (AWS-SA associate) • AKBͳΒԣࢁ༝ґͪΌΜ(11Ґ)͕޷͖Ͱ͢

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ࠓճొஃͷܦҢ

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Ϛελʔͷґཔ͸ઈର…

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ࣾձਓͱͳ͍ͬͨ·

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͓͕ۚେࣄʂ

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੫ۚʹڻ͘৽ଔ

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νϡʔχϯάͷ࿅श΍ݕূʹ ͓͔͚ۚͨ͘ͳ͍

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֤छΫϥ΢υαʔϏεͷ ແྉ/֨҆৘ใʹ͸໨͕ͳ͍

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IDCFΫϥ΢υ • 500ԁ͔Β࢖͑Δʂ • 500ԁΫʔϙϯ΋Β͑Δ • ্ݶ͕͋ΔͷͰͦΕҎ্͍͔ͳ͍

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ࠓճ΍Γ͍ͨ͜ͱ • ISUCONͷ࿅श • ϕϯνϚʔΫɺ؀ڥ͕ެ։͞ΕͯΔͷͰ… • ͍͔ʹ͓ۚΛ͔͚ͳ͍͔ • είΞ΋ྑ͔ͬͨΒྑ͍ͳʙ

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IDCFͰݐͯͨαʔό • light.S1 • 1CPU,1GB RAM • 15GB

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ISUCON؀ڥͷ࡞Γํ • ISUCON༧બಥഁͷ伴͸աڈ໰Λղ͘͜ͱͳͷͰແྉͰࢼͤΔΑ͏ʹͨ͠ (Vagrant+Ansible) • http://d.hatena.ne.jp/tmatsuu/20150815/1439643715 • ࠓճ͸ֶੜ࣌୅ֶੜ2Ґͳ͕Β΋ෆඋͰࣦ֨ͱͳͬͨ  ࢥ͍ग़ͷ͋ΔISUCON4༧બͷ໰୊Λ࢖༻ • (IDCF͞ΜαόϑΣεͷͱ͖͸͋Γ͕ͱ͏͍͟͝·ͨ͠…!!!) • AnsibleҰؾʹ࡞੒ 

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ͦ͏΋͍͔ͳ͍

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ࢭ·ΔAnsible

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[root@hakushika01 ~]# grep 'oom-killer' /var/log/messages Jun 27 15:42:50 hakushika01 kernel: top invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0 Jun 27 16:58:19 hakushika01 kernel: mysqld invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0

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OOM Killer

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͍͢͝໎͍·͕ͨ͠

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ٽ͘ٽ͘՝ۚ

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IDCFͰ࠶ͼݐͯͨαʔό • light.S2 • 1CPU,2GB RAM • 15GB • 1400ԁ…͏·͍΅͏140ຊ…

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Ansible੒ޭ

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࠷ॳͷϕϯν

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No content

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࣌ؒ΋ͳ͍ͷͰҋӢʹ  νϡʔχϯά͍ͯ͘͠

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ࣄ͋Δ͝ͱʹى͖Δ໰୊

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OOM Killer…

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MySQLʹؔͯ͠͸ IndexషΔ͚ͩͰOOM Killer ૸ͬͨ…

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3͙࣌ؒΒ͍௅ઓͯ͠Ϊϒͨ͠

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·ͱΊ • 1400ԁ͔͔ͬͪΌͬͨ… • ࠷େॠؒ෩଎͸Workload 1(ϕϯνϚʔΫͷෛՙ)Ͱ  592ͩͬͨ…orz • ৽ଔ͕OOM Killerʹ຋࿔͞ΕͪΌͬͨ࿩… • ΋͏ͪΐͬͱͪΌΜͱͨ͠είΞग़͔ͯ͠Β  ࢀߟʹͨ͠هࣄͱͱ΋ʹϒϩάʹॻ͔͍ͤͯͩ͘͞

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• גࣜձࣾϋʔτϏʔπͰ͸Ұॹʹಇ͘஥ؒΛ ืू͓ͯ͠Γ·͢ɻ • த్ɺ৽ଔɺֶੜΞϧόΠτɺ  ਵ࣌ืू͓ͯ͠Γ·͢ͷͰ͓ئ͍க͠·͢ʂ ࠷ޙʹ