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SRE at Cookpad
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rrreeeyyy
November 29, 2017
Technology
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SRE at Cookpad
#hbstudy の 79 回目で SRE の話をしました。
rrreeeyyy
November 29, 2017
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Transcript
SRE at Cookpad ΫοΫύουגࣜձࣾ ΠϯϑϥετϥΫνϟʔ෦ SRE άϧʔϓ ٢ ཽଠ (
@rrreeeyyy ) hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 1
Agenda • SRE ʹ͍ͭͯ(վΊͯ) • ΫοΫύουʹ͓͚ΔΠϯϑϥߏ • EC2 with spot
instances • hako + ECS ڥ • ΫοΫύουʹ͓͚Δ SRE ͷ׆ಈ • ࣄͷྲྀΕɾऔΓΈʹ͍ͭͯɹ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 2
!SSSFFFZZZ !SSSFFFZZZ IUUQTSSSFFFZZZDPN :PTIJLBXB3ZPUB Me • Yoshikawa Ryota ( @rrreeeyyy
[reɪ] ) • גࣜձࣾϋʔτϏʔπ (2010/11 ʙ 2016/12) • ΫοΫύουגࣜձࣾ (2017/01 ʙ) • ΠϯϑϥετϥΫνϟʔ෦ SRE άϧʔϓ • ڵຯྖҬ • ϞχλϦϯάɾ࣌ܥྻσʔλϕʔε • ࢄγεςϜɾϩʔυόϥϯα • झຯ • League of Legends, ΑΑΫϩχΫϧ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 3
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 4
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 5
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 6
(վΊͯ) Site Reliability Engineering • αΠτͷ৴པੑͷશͯʹൣғΛ࣋ͭ • ಛʹɺιϑτΣΞɾγεςϜΤϯδχΞϦϯάΛ༻͍ͯ՝Λղܾ͢Δ • ྫ͑ɺύϑΥʔϚϯε
• ύϑΥʔϚϯεʹ͕͋Δίʔυ SRE ͕ࣗίʔυΛॻ͍ͯमਖ਼͢Δ • ྫ͑ɺεέʔϥϏϦςΟɾΞϕΠϥϏϦςΟ • ਓؒʹΑΔखಈͷ࡞ۀΛίʔυʹΑΓࣗಈԽ͢Δ • ଐਓੑΛഉআͯ҆͠ఆͤ͞ΔɾਓؒΛ૿͞ͳͯ͘αʔϏεΛεέʔϧͤ͞Δ • ن͕૿େͯ҆͠ఆͯ͠αʔϏεΛఏڙͰ͖Δঢ়ଶʹ͢Δ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 7
SRE ͷ׆ಈ SRE ͷ׆ಈେ͖͚ͯ࣍͘ͷ 4 ͭʹྨͰ͖Δͱ͞Ε͍ͯΔ • So#ware Engineering •
Systems Engineering • Toil • Overhead hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 8
SRE ͷ׆ಈ • So#ware Engineering • ίʔυͷ࡞मਖ਼, ͦΕʹؔ࿈͢ΔઃܭυΩϡϝϯςʔγϣϯͷ࡞ۀͳͲ • ࣗಈԽεΫϦϓτͷ࡞,
πʔϧϑϨʔϜϫʔΫͷ࡞ ... • αʔϏεͷ৴པੑΛߴΊΔػೳͷՃ ... • Systems Engineering • 1 ճͷ࡞ۀͰӬଓతͳվળΛੜΉ࣍ͷΑ͏ͳ࡞ۀ • ຊ൪γεςϜͷઃఆมߋ ... • ։ൃνʔϜͷαʔϏεΞʔΩςΫνϟઃܭ ... hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 9
SRE ͷ׆ಈ • Toil • αʔϏεΛՔಇͤ͞ΔͨΊ͚ͩʹ܁Γฦ͠ߦΘΕΔखಈͰͷ࡞ۀ • ظతͳՁΛ࣋ͨͳ͍, αʔϏεͷʹରͯ͠ O(n)
Ͱ͋Δ ... • ͭ·Βͳ͍ࣄͰظతͳՁ͕͋Ε Toil Ͱͳ͍ • Overhead • αʔϏεΛՔಇͤ͞Δ͜ͱʹ݁͠ͳ͍ཧతͳ࡞ۀ • ࠾༻, ϛʔςΟϯά, ධՁ, τϨʔχϯά ... hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 10
ΫοΫύουʹ͓͚Δ SRE hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy )
11
ΫοΫύουʹ͓͚Δ SRE • ΠϯϑϥετϥΫνϟʔ෦ • ͷதʹ SRE άϧʔϓ͕͋Δ • DWH,
Security, ࣾIT ͕ಉ͡෦ॺʹ͋Δ • ϝϯόʔ SRE ͚ͩͰ 10 ਓఔ + ւ֎ʹ 2 ໊ఔ • ࠃ 7 ׂɾάϩʔόϧ 1 3 ׂ͙Β͍ͷൺ 1 h$ps:/ /speakerdeck.com/sorah/building-infrastructure-for-our-global-service hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 12
ΫοΫύουʹ͓͚ΔΠϯϑϥߏ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 13
ΫοΫύουʹ͓͚ΔΠϯϑϥߏ • ༷ʑ͋Δ͕ϝΠϯͰಈ͍͍ͯΔͷେ͖͚ͯ͘ 2 ͭ • EC2 + spotscaler ڥ
• EC2 ʹΞϓϦέʔγϣϯΛσϓϩΠ͍ͯ͠Δߏ • EC2 Πϯελϯεεϙοτʹͳ͍ͬͯΔ • ECS + hako ڥ • ECS Ϋϥελʹରͯ͠ίϯςφΛσϓϩΠ͍ͯ͠Δߏ • σϓϩΠϝϯτʹ eagletmt/hako Λར༻͍ͯ͠Δ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 14
EC2 + spotscaler ڥ • ΫοΫύουͷ͍ΘΏΔը໘ͷඳը෦ͳͲ͕͜Εʹ͋ͨΔ • PC ൛αΠτ, εϚϗ༻ͷ
API ... ͳͲ • Route53 + ALB + EC2 ͷ AWS ͷҰൠతͳߏ • EC2 spot instance Λ spotscaler 2 Λͬͯཧ͍ͯ͠Δ • deployment serf + sorah/mamiya 3 Λͬͯߦ͍ͬͯΔ 3 h$ps:/ /github.com/eagletmt/hako 2 h$ps:/ /speakerdeck.com/ryotarai/spot-instances-in-cookpad-number-cookpadtechconf-2017 hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 15
ECS + hako ڥ • ΫοΫύουͷ༷ʑͳϚΠΫϩαʔϏε͕͜Εʹ͋ͨΔ • λΠϜϥΠϯ, ࠂ, ೝূ...
ͳͲ • ػցֶशͷج൫͜͜ʹ͍ͬͯΔʢg2 Πϯελϯεͷ ECS Ϋϥελʣ • ECS ͷΫϥελʹରͯ͠ hako 3 Λར༻ͯ͠σϓϩΠ͍ͯ͠Δ • GHE ্ͷϦϙδτϦʹΞϓϦέʔγϣϯఆٛͷ PR Λग़ͯ͠Β͏ • σϓϩΠ Slack ্͔Β։ൃऀ͕جຊతʹࣗ༝ʹߦ͑Δ • PR ຖͷεςʔδϯάɾ౷߹ίϯιʔϧɾτϨʔγϯάͳͲ͕͋Δ 4 4 h$p:/ /techlife.cookpad.com/entry/2016/03/16/100043 3 h$ps:/ /github.com/eagletmt/hako hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 16
ECS + hako ڥ ʹ͓͚Δ YAML ઃఆ scheduler: <<: !include
schedulers/default.yml elb_v2: vpc_id: vpc-xxxxxx health_check_path: /healthcheck listeners: - port: 80 protocol: HTTP # : autoscaling: min_capacity: 2 max_capacity: 24 policies: # : policies for autoscaling hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 17
ECS + hako ڥ ʹ͓͚Δ YAML ઃఆ app: image: xxxxxxxxxx/service
# ECR Λࢦఆ͢Δ͜ͱ͕ଟ͍ cpu: 128 memory: 512 links: - fluentd env: $providers: - <<: !include env_providers/vault.yml directory: hako/group/service # vault hako/group/service ͷ - !include env_providers/vault_shared.yml # ֘ͷάϧʔϓʹॴଐ͢Δਓ͕ࣗ༝ʹઃఆͰ͖Δ RAILS_ENV: production WORKER_NUM: '2' additional_containers: front: !include containers/front.yml fluentd: !include containers/fluentd.yml volumes: td-agent: source_path: /var/lib/hako/td-agent/service hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 18
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 19
ΫοΫύουʹ͓͚ΔϚΠΫϩαʔϏεͷ࣮ફ • ৫ਓɾνʔϜɾαʔϏεͷʹͭΕͯݖݶͷҕৡ͕ඞཁʹͳͬͨ • SRE ج൫νʔϜ͕શͯΛཧ͢ΔͷෆՄೳͩ͠ෆ݈શ • ΞϓϦέʔγϣϯࣗମ͕େ͖͘ͳΓ༷͗ͯ͢ʑͳ͕ग़ΔΑ͏ʹͳͬͨ • ίʔυͷݟ௨͕͠ѱ͘ͳΔɾςετʹֻ͕͔࣌ؒΓ͗͢Δ
... • લ͔ΒঃʑʹඋΛਐΊ͍ͯΔ 4 4 h$p:/ /techlife.cookpad.com/entry/2016/03/16/100043 hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 20
ΫοΫύουʹ͓͚ΔϚΠΫϩαʔϏεͷ࣮ફ • جຊతʹϝΠϯͷΞϓϦέʔγϣϯΛ hako ڥʹΓग़͢ • ৽نʹ࡞͞ΕΔΞϓϦέʔγϣϯ hako ڥΛඪ४ʹ͢Δ •
ಉ࣌ʹɺmicroservice ԽʹΑΔ՝ʹ͍͔ͭ͘औΓΜͰ͍Δ • αʔϏεؒͷ Tracing ʹ AWS X-Ray Λར༻͍ͯ͠Δ • αʔϏεϝογϡͷ࣮ݱʹ envoyproxy/envoy Λར༻͍ͯ͠Δ • ͍͔ͭ͘՝͕͋Γ࣮ͭͭࡍʹಈ͔ͯ͠ΛਐΊ͍ͯΔ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 21
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 22
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 23
ΫοΫύουʹ͓͚Δ SRE ͷ׆ಈ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy
) 24
ΫοΫύουʹ͓͚Δ SRE ͷ׆ಈ • ΫοΫύουͷ SRE ͷ׆ಈΛ͍͔ͭ͘հ • αʔόߏͷཧɾมߋ •
৽نαʔϏεʹର͢Δ SRE ͷಈ͖ • ϞχλϦϯάͷվળ • ϩʔυόϥϯγϯάͷվળ • ৽ଔݚम • ... hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 25
αʔόߏͷมߋɾཧ • αʔόߏجຊతʹશͯίʔυԽ͞Ε͍ͯΔ • Codenize.tools 5 Itamae 6, Terraform
ͳͲ • IAM User Route53 GHE ্Ͱී௨ʹཧ͞Ε͍ͯΔ • ։ൃऀ͕ࣗ༝ʹ PR Λग़͢͜ͱ͕ग़དྷΔ • αʔόߏͷมߋίʔυͷ Pull request ͱͯ͠ग़͢ • ϨϏϡʔΛड͚ɺϚʔδ͔ͯ͠Βө • Ұ෦Ϛʔδͯࣗ͠ಈͰө͞ΕΔ 6 h$ps:/ /github.com/itamae-kitchen/itamae 5 h$ps:/ /codenize.tools/ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 26
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 27
৽نαʔϏεʹର͢Δ SRE ͷಈ͖ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy
) 28
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 29
৽نαʔϏεʹର͢Δ SRE ͷಈ͖ • େ͖ΊͳػೳαʔϏε୯ҐͰׂͯ͠։ൃ͢Δ • ߹ʹΑΔ͕ SRE ͕ 1
ਓΞαΠϯ͞ΕΔ • ֘ͷαʔϏεͷ৴པੑʹؔ͢Δ͜ͱجຊతʹશ෦Δ • ઃܭͷ૬ஊɾϨϏϡʔ • ϦϦʔεલͷෛՙࢼݧɾΩϟύγςΟϓϥϯχϯά • ύϑΥʔϚϯεʹର͢ΔΞϓϩʔν • ... hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 30
ઃܭͷ૬ஊɾϨϏϡʔ • ։ൃͷલʹҎԼͷΑ͏ͳ͜ͱΛڞ༗ͯ͠Β͍ٞ͢Δ • ͲͷΑ͏ͳΞϓϦέʔγϣϯΛ࡞Δ͔ • ͲͷΑ͏ͳίϯϙʔωϯτ͕ඞཁ͔ • ͲͷΑ͏ͳߏɾεέʔϧઓུʹ͢Δ͔ •
Design Document Λॻ͍ͯΒ͍ͦΕΛϕʔεʹΛͨ͠Γ͢Δ • େ͖ΊͷػೳͳͲΛ։ൃ͢Δ࣌ Design Document Λॻ͘͜ͱ͕ଟ͍ (SRE ) hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 31
ෛՙࢼݧ • ͋Δఔग़དྷ͖ͯͨลΓͰෛՙࢼݧͷΛ͢Δ • Ͳͷ͘Β͍ͷϦΫΤετ͕ఆ͞ΕΔ͔ • ͲͷΑ͏ͳϢʔβϦΫΤετ͕ఆ͞ΕΔ͔ • SRE ଆͰෛՙࢼݧͷγφϦΦڥΛ࡞Δ
• ෛՙࢼݧΛߦ͍ͳ͕Βຊ൪ڥͰͷΩϟύγςΟΛݟੵΔ • ΞϓϦέʔγϣϯ্ͷϘτϧωοΫ͕Ͳ͜ʹ͋Δ͔ΛݟΔ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 32
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 33
ύϑΥʔϚϯεʹର͢ΔΞϓϩʔν • ৴པੑʹؔ͢Δ͕͋Δ߹ࣗͰίʔυΛॻ͘ • ྫ͑ύϑΥʔϚϯε্ͷͳͲ • ΞϓϦέʔγϣϯͷ༷Λཧղͯ͠దͳΞϓϩʔνΛऔΔ • ྫ͑Ͳ͏͍͏ը໘ͷͲ͏͍͏ΫΤϦͳͷ͔ •
Ͳ͏͍͏ใ͕ཉͯ͘͠Ͳ͏͍͏੍͕͋Δͷ͔ • ͍ͬͯΔϛυϧΣΞͷ༷ཧղͯ͠దͳΞϓϩʔνΛऔΔ • ྫ͑ SQL ͷվળͳΒ MySQL ͷΠϯσοΫεͷߏ෦ॲཧͷ͕ࣝ͋Δͱྑ͍ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 34
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 35
৽نαʔϏεʹର͢Δ SRE ͷಈ͖ • ͜ͷลΓͨΓલͷࣄΛී௨ʹ͍ͬͯΔ͚ͩ • ͬͱվળग़དྷΔՕॴ͕ͨ͘͞Μ͋Δͱߟ͍͑ͯΔ • ྫ͑ෛՙࢼݧΛࣗಈͰߦ͏Α͏ʹ͢ΔɺͳͲ •
ΞϓϦέʔγϣϯΛཧղ͠ɺඞཁͳΒίʔυΛॻ͘ • SRE αΠτͷ৴པੑʹؔΘΔશͯʹΛෛ͏ • ΞϓϦέʔγϣϯͷಛੑઃܭΛཧղ͠ϛυϧΣΞΛΈ߹ΘͤΔ Systems Engineering • ༷ϛυϧΣΞΛཧղ࣮͠ࡍʹΞϓϦέʔγϣϯͷϩδοΫΛॻ͘ So.ware Engineering hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 36
ϞχλϦϯάͷվળ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 37
ϞχλϦϯάͷվળ • ݱࡏϝτϦΫεऔಘʹ Zabbix Λ༻͍ͯ͠Δ • ΑΓεέʔϧ͠ɺߴڃݴޠͰϝτϦΫεΞϥʔτΛѻ͑ΔΑ͏ʹ͍ͨ͠ • SRE ຊ
ͷ 10 ষʹॻ͔Ε͍ͯΔΑ͏ͳঢ়ଶʹͳΓ͍ͨ • Prometheus ͷಋೖΛঃʑʹ࣮ࢪ͍ͯ͠Δ • ϝτϦΫεͷղ૾ 15 ඵ୯ҐͳͲͰऔಘ͢ΔΑ͏ʹ͍ͯ͠Δ • ୯७ͳ HTTP ϨεϙϯεͰϝτϦΫεΛऩूग़དྷΔ • ΞϓϦέʔγϣϯࣗମͷϝτϦΫεͳͲ͕ൺֱత؆୯ʹऩूग़དྷΔ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 38
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 39
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 40
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 41
ϞχλϦϯάͷվળ • Ͳ͏͍ͬͨϛυϧΣΞΛબఆ͢Δ͔ • ϞχλϦϯάͰ͋Ε࣌ܥྻσʔλϕʔεͳͲʹؔ͢Δਂ͍ཧղΛ͔ͯ͠ΒબͿ • Ͳ͏͍ͬͨಛੑ͕͋Δ͔ʁࣗͨͪͷنʹ߹͍ͬͯΔ͔ʁεέʔϧ͢Δ͔ʁ • Γͳ͍ίϯϙʔωϯτͳ͍͔ʁແ͍ͳΒࣗ࡞Ͱ͖ͦ͏ͳن͔ʁ •
Prometheus ͳΒྫ͑ Long-Term Storage पΓͷίϯϙʔωϯτͳͲ • ͔ͬ͠Γͱͨ͠ Systems Engineering ͷݟΛར༻ͯ͠બఆ͢Δ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 42
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 43
ϩʔυόϥϯγϯάͷվળ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 44
ϩʔυόϥϯγϯάͷվળ • ैདྷΞϓϦέʔγϣϯαʔόͷϩʔυόϥϯγϯάʹ haproxy Λར༻͍ͯͨ͠ • Weighted Round-robin (wrr) Λར༻ͯ͠όϥϯγϯάΛߦ͍ͬͯͨ
• ෛՙͷ͍ΤϯυϙΠϯτͱߴ͍ΤϯυϙΠϯτ͕͋Δ߹ෛՙ͕Βͭ͘ • wrr ͩͱಛఆͷαʔόʹෛՙͷߴ͍ΤϯυϙΠϯτ͕ूத͢ΔՄೳੑ͕͋Δ • leastconn Λ͑ྑͦ͞͏͕ͩ HTTP keepalive ͍ͯ͠Δ߹ʹ͕͋Δ • ίωΫγϣϯ͕ΔͷͰ࣮ࡍʹॲཧ͍ͯ͠ΔϦΫΤετͱണ͢Δɹ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 45
ryotarai/simproxy • h#ps:/ /github.com/ryotarai/simproxy • Go Ͱॻ͔ΕͨγϯϓϧͳϦόʔεϓϩΩγ • ϔϧενΣοΫͳͲͷجຊతͳػೳ͋Δ •
Balancing Method ʹ leastreq Λ࣮͍ͯ͠Δ • ࢦඪͱͯ͠୯७ͳίωΫγϣϯͰͳ࣍͘ͷΑ͏ͳΛར༻͢Δ • όοΫΤϯυ͕ड͚औ͕ͬͨԠ͕ฦ͖͍ͬͯͯͳ͍ϦΫΤετͷ • ͜ΕʹΑΓ HTTP keepalive ͕͋ͬͯ leastconn ͷΑ͏ͳόϥϯγϯά͕Մೳ • ϩʔυόϥϯγϯάͷΞϧΰϦζϜʹؔ͢Δ Systems Engineering ͱ࣮͢Δ So.ware Engineering hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 46
before simproxy hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy )
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a"er simproxy hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy )
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৽ଔݚम • ৽ଔʹରͯ͠ΠϯϑϥͷݚमΛ 3 ؒߦ͍ͬͯΔ • MySQL ͷΠϯσοΫεͷߏΛཧղ͠ΫΤϦνϡʔχϯάΛߦ͏ ... •
AWS ͷ ALB RDS ͳͲΛ͍ࣗͷΞϓϦέʔγϣϯΛεέʔϧͤ͞Δ ... • ࣮ࡍͷΞϓϦέʔγϣϯΛॻ͘ϝϯόʔ͕Πϯϑϥͷཧղ͕͋Δํ͕ྑ͍ • શͯͷΞϓϦέʔγϣϯίʔυΛ SRE ͕νΣοΫ͍ͯ͠Δͱεέʔϧ͠ͳ͍ • ྨ্ Overhead ͔͠Εͳ͍͕αʔϏεΛεέʔϧͤ͞ΔͨΊʹඞཁ • ࣮ࡍʹ Systems Engineering ͷਂ͍ݟ͕ແ͍ͱڭ͑Δ͜ͱ͕ग़དྷͳ͍ hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 49
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 50
hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 51
PR hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 52
We are hiring! • ΫοΫύουͰຊհͨ͠Α͏ͳऔΓΈΛߦ͍ͬͯ·͢ • ·ͩ·ͩղܾ͍ͨ͠ɾऔΓΈ͍ͨ՝͕ͨ͘͞Μ͋Δ • ָ͠Έͳ͕ΒҰॹʹΕΔϝϯόʔΛืू͍ͯ͠·͢ →
h$ps:/ /cookpad.jobs hbstudy#79 (2017/11/20) | Yoshikawa Ryota ( @rrreeeyyy ) 53