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ϞϯελʔετϥΠΫͷࢹπʔϧࠓੲޠ ʙ্רʙ ։ൃຊ෦ SREάϧʔϓ খ༟ גࣜձࣾϛΫγΟ
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ࣗݾհ 2
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ࣗݾհ ‣ࢯ໊ ‣খ༟ ‣ܦྺ ‣2008ϛΫγΟʹೖࣾ ‣SNSʮmixiʯͳͲͰΠϯϑϥɺγεςϜӡ༻ ‣ͦͷޙɺϞϯελʔετϥΠΫΛ͡Ίͱͨ͠ήʔϜΞϓϦͷӡ༻ ‣Ϟϯετ֤छαΠτɺࣾͰར༻͢ΔαʔϏεӡ༻πʔϧɺཧΠ ϯϑϥڥͷӡ༻ʑɺ෯͘ैࣄ ‣։ൃຊ෦ SRE άϧʔϓॴଐ 3
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ϞϯελʔετϥΠΫ 4
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ϞϯελʔετϥΠΫ ࣗͷϞϯελʔΛҾͬு͖ͬͯɺఢͷϞϯελʔʹ͍ͯͯͯ͘͠ͱ͍͏ɺεϚʔτϑΥϯͷಛੑΛ׆༻ͨ͠ɺ ୭Ͱ؆୯ʹָ͠ΊΔΞΫγϣϯRPGͰ͢ɻήʔϜλʔϯ੍Λͱ͓ͬͯΓɺ Ұॹʹ͍Δ༑ͩͪͱ࠷େ4ਓ·Ͱಉ࣌ʹ༡ΔڠྗϓϨΠʢϚϧνϓϨΠʣ͕ಛͰ͢ɻ 2013ͷ10݄ͷఏڙ։͔࢝Βݱࡏ※·Ͱͷੈքྦྷܭར༻ऀ4,900ສਓΛಥഁ※ 201812݄࣌ ʮੈքྦྷܭར༻ऀ 4,900ສਓΛಥഁͨ͠εϚϗΞϓϦʯ 5
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͓͠ͳ͕͖ 6 ‣Ϟϯετͷαʔόߏ ‣ࢹγεςϜͷߏʹ͍ͭͯ ‣ࢮ׆ɾϝτϦοΫεࢹ ‣ΞϥʔτରԠ ‣·ͱΊ
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αʔόߏ 7
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αʔόߏ(γεςϜ) Unicorn memcached MariaDB Redis Fluetnd resque worker LoadBalancer 8
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αʔόߏ(Πϯϑϥ) 9 ‣Քಇαʔόʔ ‣1,000 ‣ϚϧνΫϥυߏ ‣ΦϯϓϨαʔόʔͱΫϥυͷซ༻ ‣ࣗࣾDC 2ڌ ‣ύϒϦοΫΫϥυΛෳ
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αʔόߏ DataCenter 1 •DB •memcached DataCenter 2 •DB •memcached 10 application Cloud1 application Cloud3 application Cloud4 application Cloud2
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αʔόߏ 11 ‣Application ‣13,000 ʙ 26,000 core ‣DB ‣ཧϚγϯ150 1ηοτ ‣ͦΕͧΕͷDCʹஔ
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ࢹγεςϜߏ 12
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ࢹγεςϜ 13 ‣ࢮ׆ࢹ ‣ Nagios ‣ ϝτϦοΫεࢹ ‣ CloudForecast ‣ Kibana + elasticsearch ‣ Grafana + InfluxDB
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ࢹγεςϜ 14 ‣ͳͥ͜ΕΒΛબΜͩͷ͔ ‣ΦϯϓϨɺΫϥυͰڞ௨Ͱ͑Δ ‣SNS(mixi.jp)͔Βͷࢿ࢈
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ࢮ׆ࢹ 15
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ࢮ׆ࢹ 16 ‣ࠔͬͨ͜ͱ ‣ରαʔό͕୯७ʹଟ͍ ‣ࢹαʔό͕ࣗΛࢹͰ͖ͳ͍ ‣αʔό͕ࢮΜͩͷ͔Ϋϥυͱͷ ଓ͕Εͨͷ͔
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ࢮ׆ࢹ 17 ‣֤ڌʹNagios Λߏங ‣ͦΕͧΕʹ૬ޓࢹ
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ࢮ׆ࢹ 18 DC 1 DC 2 Cloud 1
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ࢮ׆ࢹ 19 ‣ࠔͬͨ͜ͱ ‣Nagios ͷઃఆϑΝΠϧ(cfg)͕ࡶ ‣ෳͷࢹαʔόͷߋ৽͕໘
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ࢮ׆ࢹ 20 ‣Nagios ‣ ࢹઃఆͷcfg ϑΝΠϧΛYAML͔Βੜ ‣ ֤ڌͷߋ৽ΛҰׅͰߦ͏πʔϧΛ ‣ cfg ϑΝΠϧߋ৽ ‣ syntax check && nagios restart
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ࢮ׆ࢹ 21
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ࢮ׆ࢹ 22 DC 1 DC 2 Cloud 1
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ࢮ׆ࢹ 23 ‣ࠔͬͨ͜ͱ ‣ࢹ߲ΛΧελϚΠζ͍ͨ͠
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ࢮ׆ࢹ 24 ‣SNMP ͷextend ػೳΛར༻ ‣Net-SNMPͷ֦ுػೳ ‣ҙͷίϚϯυ݁ՌΛSNMPͰฦ͢
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ࢮ׆ࢹ 25 ‣check plugin ͍͔ͭࣾ͘Ͱࣗ࡞ ‣ྫ: ‣αʔόͷuptime ΛνΣοΫ ‣filesystem ͷreadonly ΛνΣοΫ
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ࢮ׆ࢹ 26 ‣ࠔͬͨ͜ͱ ‣ ෳͷࢹαʔόཧࡶ ‣ ࢹ͢ΔͨΊʹ༷ʑͳιϑτΣΞ͕ඞཁ ‣ libmysqlclient, snmp…
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ࢮ׆ࢹ 27 ‣ ͦ͜Ͱ ‣ࢹγεςϜͷ৽ ‣ৄ͘͠ޙฤʹͯ
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ϝτϦοΫεࢹ 28
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ࢮ׆ࢹ 29 ࠷ॳ
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ϝτϦοΫεࢹ 30 ‣CloudForecast ‣https://github.com/kazeburo/ cloudforecast ‣monitor pluginΛࣗ࡞
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ࢮ׆ࢹ 31 ࣍ʹ
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ϝτϦοΫεࢹ 32 ‣Kibana + Elasticsearch ‣application αʔόͷlog Λੵ ‣ूܭݕࡧͳͲ ‣1/100 ʹ samplingͰऩू
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ϝτϦοΫεࢹ Application Elasticsearch + Kibana Fluetnd 33 αϯϓϦϯάσʔλՃ
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ࢮ׆ࢹ 34 ࣍ʹ
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ϝτϦοΫεࢹ 35 ‣grafana + InfluxDB ‣ ֤छσʔλΛूܭͯ͠InfluxDB ʹੵ ‣ ͦΕΒΛgrafana ͰՄࢹԽ ‣ μογϡϘʔυΛ࡞ ‣ Ξϥʔτઃఆ
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ϝτϦοΫࢹ 36 ‣ͳͥ͜ΕΒΛબΜͩͷ͔ ‣ΦϯϓϨɺΫϥυͰڞ௨Ͱ͑Δ ‣༷ʑͳϝτϦοΫεΛՃͰ͖Δ
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ࢹΞϥʔτ 37
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ࢹΞϥʔτ 38 ‣ࢹͰҟৗ͕͋ͬͨ߹ͷΞϥʔτ ‣ϞϯετͰPagerDuty Λར༻ ‣On-Call൪੍ ‣αʔό։ൃ & SRE Ͱϩʔςʔγϣϯ
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ࢹΞϥʔτ 39 ‣PagerDuty ‣ https://www.pagerduty.com/ ‣ ֤छࢹγεςϜͱ࿈ܞͯ͠௨ΛૹΕΔ ‣ ॊೈͳΤεΧϨʔγϣϯϧʔϧ͕ΊΔ
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ࢹΞϥʔτ 40 ‣On-Call ൪ ‣γεςϜͷোʹඋ͑ΔͨΊͷػ ‣ೋਓҰͷ൪੍ ‣Ξϥʔτൃੜ࣌ʹ15ͰରԠ։࢝
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ࢹΞϥʔτ 41 Ϛωʔδϟɾࣄۀऀ ։ൃɾSRE ຊͷରԠ൪ োൃੜʂ
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·ͱΊ 42
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·ͱΊ 43 ‣ϞϯετͷΠϯϑϥͷࢹʹ͍ͭͯ ‣ࢮ׆ࢹ ‣ϝτϦοΫεࢹ ‣ΞϥʔτରԠ
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Thank you!