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2016/05/16 adtech x scala meetup のLT

Avatar for Tomohisa Omagari Tomohisa Omagari
July 03, 2016
Programming
120
1

2016/05/16 adtech x scala meetup のLT

Avatar for Tomohisa Omagari

Tomohisa Omagari

July 03, 2016

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Transcript

  1. ͳΔ͸΍ͬͯଟ͍ΑͶʁ

  2. ࣗݾ঺հ େۂஐٱ

  3. ͋Δػೳͷ࿩ ( D: σΟϨΫλʔɺE:ΤϯδχΞ) ▸ Dʮ͜ͷػೳ͸ɺ؅ཧը໘͕มߋ͞ΕͨΒߋ৽ͯ͠΄͍͠ɻ
 ɹɹ͋ͱɺؔ࿈͢Δσʔλ΋มߋͯ͠΄͍͠ɻʯ ▸ Eʮ͜ͷػೳͷߋ৽ස౓͸ɺͲΕ͘Β͍ʹ͠·͢ʁʯ ▸

    DʮͳΔ͸΍Ͱʯ ▸ E ʮ10෼͝ͱͰ͍͍Ͱ͔͢ʁʯ ▸ Dʮ͏ʙΜɺ΋ͬͱͳΔ͸΍Ͱʯ ▸ Eʮ̑෼ʯ ▸ Dʮ͏ʙΜɺ΋ͬͱͳΔ͸΍Ͱʯ

  4. ͋Δػೳͷ࿩ ( D: σΟϨΫλʔɺE:ΤϯδχΞ) ▸ Eʮ̍෼ʯ ▸ Dʮ͏ʙΜɾɾɾɾʯ ▸ EʮϚδ͔ʯ

  5. ͋Δػೳͷ࿩ ( D: σΟϨΫλʔɺE:ΤϯδχΞ) ▸ E ʮ30ඵʯ(΋͏Ͳ͏ʹͰ΋ͳΕʣ ▸ Dʮ͓͓͓ʯ ▸

    Eʮ10ඵʯ ▸ Dʮʯ ▸ Eʮ1ඵʯ ▸ Dʮ࠷ߴʯ

  6. Θ͔͍ͬͯΔ͜ͱ ▸ όονॲཧͰ͸೉ͦ͠͏ ▸ ΩϡʔॲཧͰ΍Ε͹ɺ͍ΖΜͳλΠϛϯάͰॲཧͰ͖ͦ͏ ▸ ॲཧ͕ॏෳ͠ͳ͍Α͏ʹ͢Δ

  7. ઃܭͷΠϝʔδਤ

  8. ઃܭͷΠϝʔδਤ ͜͜ͷ෦෼Λ࡞Δ

  9. ΍Γ͍ͨ͜ͱ ▸ όονॲཧͰ͸ɺݫ͍ͨ͠ΊσʔϞϯԽ͢Δ ▸ ͍͍ײ͡ʹΩϡʔॲཧͷ࣮ߦ࣌ؒΛมߋͰ͖Δ ▸ ΩϡʔॲཧͷछྨΛىಈ࣌ͷίϚϯυͰ
 ࢦఆͰ͖ΔΑ͏ʹ͍ͨ͠

  10. ΍ͬͨ͜ͱ ແݶϧʔϓ ▸ PerlͰ࣮૷͍ͯͨ͠Έ͍ͨʹ࣮૷ ▸ SIGTERMͷΩϟονͯ͠
 ແݶϧʔϓΛऴྃͤ͞Δ

  11. ݁Ռ ແݶϧʔϓ ▸ ॲཧ͕࣌ʑɺ͖ͪΜͱऴྃͨ͠Γ͠ͳ͔ͬͨΓͨ͠ɻ
 (SIGTERM ͷνΣοΫ͕͓͔͔ͬͨ͠ͷ͔΋ɻɻ)
 ຖճͷ࠶ىಈ͕ා͔ͬͨɻɻ ▸ ࣗ෼ͰσʔϞϯͷϓϩηε͕ಈ͍͍ͯΔ͔
 νΣοΫ͢Δඞཁ͕͋ͬͨ

    ▸ ৭ʑͱਏ͔ͬͨ

  12. ΍ͬͨ͜ͱ Play + akka scheduler ▸ PlayͷϞδϡʔϧͱͯ͠ ActorͷॲཧΛ࣮ߦ͢ΔΑ͏ʹͨ͠ ▸ Playͱͯ͠ͷػೳ͸ɺಛʹར༻͍ͯ͠ͳ͍


    (Controllerͱ͔) ▸ ىಈ࣌ͷҾ਺ͰॲཧͷछྨΛมߋ

  13. ΍ͬͨ͜ͱ Play + akka scheduler

  14. ΍ͬͨ͜ͱ Play + akka scheduler ActorΛఀࢭ͢ΔλΠϓ͸ɺStopʹ͍ͯ͠Δ ཧ༝ɿϝοηʔδ͸ɺ͋͘·ͰॲཧΛ࣮ߦ͢ΔͨΊͷτϦΨʔͱͯ͠໾ׂ PoisonPill Stop

  15. ΍ͬͨ͜ͱ Play + akka scheduler Actorͷઃఆ஋
 ɾϝοηʔδ͕ᷓΕͨΒແࢹ͢Δ
 ɾDead LetterΛແࢹ͢Δ
 ɾฒྻԽ͠ͳ͍

  16. ΍ͬͨ͜ͱ Play + akka scheduler ManagerActor
 
 ɾҾ਺Λݩʹ࣮ߦ͍ͨ͠childActorΛࢦఆ͢Δ
 ɾchildActor͕ఀࢭ͍ͯΔ͔Ͳ͏͔ͷ
 ɹεςʔλεΛ͍࣋ͬͯΔ


    ɹ(isAliveChildActorͷ෦෼)
 ɾManagerActorͷఀࢭΛड͚ͨΒɺ
 ɹ࣮ߦ͍ͯ͠ΔchildActorΛstop͢Δ
 ɹTerminatedͨ͠৔߹ɺεςʔλεΛ
 ɹfalseʹ͢Δ

  17. ΍ͬͨ͜ͱ Play + akka scheduler Playىಈ࣌ͷManagerActorͷॲཧ

  18. ΍ͬͨ͜ͱ Play + akka scheduler PlayΛఀࢭ͢Δࡍͷॲཧ
 ɾManagerActorͷఀࢭΛ֬ೝ ͢Δ·Ͱແݶϧʔϓ

  19. ΍ͬͨ͜ͱ Play + akka scheduler ▸ ىಈ࣌ͷίϚϯυ
 test1ͷॲཧΛ࣮ߦ͍ͨ͠৔߹ɿ
 activator run

    -Ddaemon-process=test1
 
 test2ͷॲཧΛ࣮ߦ͍ͨ͠৔߹ɿ
 activator run -Ddaemon-process=test2

  20. ݁Ռ Play + akka scheduler ▸ σʔϞϯԽָ͕
 (σʔϞϯͰ໘౗ͳ෦෼ΛPlay͕΍ͬͯ͘ΕΔʣ ▸ Ҿ਺͝ͱʹ࣮ߦ͍ͨ͠ActorΛબ୒Ͱ͖Δ

    ▸ JVMͷOld Memory͕ཷ·Γଓ͚͍ͯΔͷͰɺ
 ̍೔Ұճ࠶ىಈ͍ͯ͠·͢ɻ
 ʢ͍͔ͭ௚͍ͨ͠ʣ

  21. Play + akka schedulerΛ࢖͑͹ɻɻ( D: σΟϨΫλʔɺE:ΤϯδχΞ) ▸ Dʮ͜ͷػೳ͸ɺ؅ཧը໘͕มߋ͞ΕͨΒߋ৽ͯ͠΄͍͠ʯ ▸ Eʮ͜ͷػೳͷߋ৽ස౓͸ɺͲΕ͘Β͍ʹ͠·͢ʁʯ

    ▸ DʮͳΔ͸΍Ͱʯ ▸ E ʮ͡Όɺ50msͰ͍͍Ͱ͔͢ʁʯ ▸ Dʮ͑ʂʁ͸΍͗͢͡ΌͶʁʯ

  22. Έͳ͞ΜɺͲ͏΍ͬͯ·͔͢ʁ
 ڭ͍͑ͯͩ͘͞ɻ

  23. ऴΘΓ αϯϓϧίʔυ
 https://github.com/oomatomo/scala-akka-daemon