2016/05/16 adtech x scala meetup のLT

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