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2016/05/16 adtech x scala meetup のLT
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Tomohisa Omagari
July 03, 2016
Programming
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2016/05/16 adtech x scala meetup のLT
Tomohisa Omagari
July 03, 2016
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Transcript
ͳΔͬͯଟ͍ΑͶʁ
ࣗݾհ େۂஐٱ
͋Δػೳͷ ( D: σΟϨΫλʔɺE:ΤϯδχΞ) ▸ Dʮ͜ͷػೳɺཧը໘͕มߋ͞ΕͨΒߋ৽ͯ͠΄͍͠ɻ ɹɹ͋ͱɺؔ࿈͢Δσʔλมߋͯ͠΄͍͠ɻʯ ▸ Eʮ͜ͷػೳͷߋ৽සɺͲΕ͘Β͍ʹ͠·͢ʁʯ ▸
DʮͳΔͰʯ ▸ E ʮ10͝ͱͰ͍͍Ͱ͔͢ʁʯ ▸ Dʮ͏ʙΜɺͬͱͳΔͰʯ ▸ Eʮ̑ʯ ▸ Dʮ͏ʙΜɺͬͱͳΔͰʯ
͋Δػೳͷ ( D: σΟϨΫλʔɺE:ΤϯδχΞ) ▸ Eʮ̍ʯ ▸ Dʮ͏ʙΜɾɾɾɾʯ ▸ EʮϚδ͔ʯ
͋Δػೳͷ ( D: σΟϨΫλʔɺE:ΤϯδχΞ) ▸ E ʮ30ඵʯ(͏Ͳ͏ʹͰͳΕʣ ▸ Dʮ͓͓͓ʯ ▸
Eʮ10ඵʯ ▸ Dʮʯ ▸ Eʮ1ඵʯ ▸ Dʮ࠷ߴʯ
Θ͔͍ͬͯΔ͜ͱ ▸ όονॲཧͰͦ͠͏ ▸ ΩϡʔॲཧͰΕɺ͍ΖΜͳλΠϛϯάͰॲཧͰ͖ͦ͏ ▸ ॲཧ͕ॏෳ͠ͳ͍Α͏ʹ͢Δ
ઃܭͷΠϝʔδਤ
ઃܭͷΠϝʔδਤ ͜͜ͷ෦Λ࡞Δ
Γ͍ͨ͜ͱ ▸ όονॲཧͰɺݫ͍ͨ͠ΊσʔϞϯԽ͢Δ ▸ ͍͍ײ͡ʹΩϡʔॲཧͷ࣮ߦ࣌ؒΛมߋͰ͖Δ ▸ ΩϡʔॲཧͷछྨΛىಈ࣌ͷίϚϯυͰ ࢦఆͰ͖ΔΑ͏ʹ͍ͨ͠
ͬͨ͜ͱ ແݶϧʔϓ ▸ PerlͰ࣮͍ͯͨ͠Έ͍ͨʹ࣮ ▸ SIGTERMͷΩϟονͯ͠ ແݶϧʔϓΛऴྃͤ͞Δ
݁Ռ ແݶϧʔϓ ▸ ॲཧ͕࣌ʑɺ͖ͪΜͱऴྃͨ͠Γ͠ͳ͔ͬͨΓͨ͠ɻ (SIGTERM ͷνΣοΫ͕͓͔͔ͬͨ͠ͷ͔ɻɻ) ຖճͷ࠶ىಈ͕ා͔ͬͨɻɻ ▸ ࣗͰσʔϞϯͷϓϩηε͕ಈ͍͍ͯΔ͔ νΣοΫ͢Δඞཁ͕͋ͬͨ
▸ ৭ʑͱਏ͔ͬͨ
ͬͨ͜ͱ Play + akka scheduler ▸ PlayͷϞδϡʔϧͱͯ͠ ActorͷॲཧΛ࣮ߦ͢ΔΑ͏ʹͨ͠ ▸ Playͱͯ͠ͷػೳɺಛʹར༻͍ͯ͠ͳ͍
(Controllerͱ͔) ▸ ىಈ࣌ͷҾͰॲཧͷछྨΛมߋ
ͬͨ͜ͱ Play + akka scheduler
ͬͨ͜ͱ Play + akka scheduler ActorΛఀࢭ͢ΔλΠϓɺStopʹ͍ͯ͠Δ ཧ༝ɿϝοηʔδɺ͋͘·ͰॲཧΛ࣮ߦ͢ΔͨΊͷτϦΨʔͱׂͯ͠ PoisonPill Stop
ͬͨ͜ͱ Play + akka scheduler Actorͷઃఆ ɾϝοηʔδ͕ᷓΕͨΒແࢹ͢Δ ɾDead LetterΛແࢹ͢Δ ɾฒྻԽ͠ͳ͍
ͬͨ͜ͱ Play + akka scheduler ManagerActor ɾҾΛݩʹ࣮ߦ͍ͨ͠childActorΛࢦఆ͢Δ ɾchildActor͕ఀࢭ͍ͯΔ͔Ͳ͏͔ͷ ɹεςʔλεΛ͍࣋ͬͯΔ
ɹ(isAliveChildActorͷ෦) ɾManagerActorͷఀࢭΛड͚ͨΒɺ ɹ࣮ߦ͍ͯ͠ΔchildActorΛstop͢Δ ɹTerminatedͨ͠߹ɺεςʔλεΛ ɹfalseʹ͢Δ
ͬͨ͜ͱ Play + akka scheduler Playىಈ࣌ͷManagerActorͷॲཧ
ͬͨ͜ͱ Play + akka scheduler PlayΛఀࢭ͢Δࡍͷॲཧ ɾManagerActorͷఀࢭΛ֬ೝ ͢Δ·Ͱແݶϧʔϓ
ͬͨ͜ͱ Play + akka scheduler ▸ ىಈ࣌ͷίϚϯυ test1ͷॲཧΛ࣮ߦ͍ͨ͠߹ɿ activator run
-Ddaemon-process=test1 test2ͷॲཧΛ࣮ߦ͍ͨ͠߹ɿ activator run -Ddaemon-process=test2
݁Ռ Play + akka scheduler ▸ σʔϞϯԽָ͕ (σʔϞϯͰ໘ͳ෦ΛPlay͕ͬͯ͘ΕΔʣ ▸ Ҿ͝ͱʹ࣮ߦ͍ͨ͠ActorΛબͰ͖Δ
▸ JVMͷOld Memory͕ཷ·Γଓ͚͍ͯΔͷͰɺ ̍Ұճ࠶ىಈ͍ͯ͠·͢ɻ ʢ͍͔͍ͭͨ͠ʣ
Play + akka schedulerΛ͑ɻɻ( D: σΟϨΫλʔɺE:ΤϯδχΞ) ▸ Dʮ͜ͷػೳɺཧը໘͕มߋ͞ΕͨΒߋ৽ͯ͠΄͍͠ʯ ▸ Eʮ͜ͷػೳͷߋ৽සɺͲΕ͘Β͍ʹ͠·͢ʁʯ
▸ DʮͳΔͰʯ ▸ E ʮ͡Όɺ50msͰ͍͍Ͱ͔͢ʁʯ ▸ Dʮ͑ʂʁ͗͢͡ΌͶʁʯ
Έͳ͞ΜɺͲ͏ͬͯ·͔͢ʁ ڭ͍͑ͯͩ͘͞ɻ
ऴΘΓ αϯϓϧίʔυ https://github.com/oomatomo/scala-akka-daemon