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【TECH×GAME COLLEGE#32】ゼロからリアルタイムサーバーを作るまで

T
techgamecollege

The document discusses pub/sub messaging and distributed systems. It provides examples of pub/sub architectures using topics and channels to allow clients to publish and subscribe to messages. It also evaluates the performance of these systems under different loads, measuring metrics like message throughput, latency, and server resource usage.

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1 TECH×GAME COLLEGE#32
2
3 2007 6 13 XR (VR, AR, MR )
▸ ▸ 2011 ▸ 2015 R&D 4
5 , , ,
ARK ArkPubSub Server 6
7 2 VS 2
8
9
10 1 VS 1 2 ?
11 2 COPY COPY 4
▸ ▸ 12 . OS 

13
14
15
16 HTTP API
17
18

 19
20 COPY COPY
21 COPY COPY
▸ ▸ ▸ ▸ 22
▸ ▸ ▸ ▸ ▸ ▸ 23
24
25
26
27 , 1
28
29 COPY COPY
30 COPY COPY 
 

31 COPY COPY 
 
 

32
33
34
35
36
▸ ▸ ▸ 37
38
▸ ▸ ▸ ▸ ▸ 39
40
41
▸ ▸ ▸ ▸ 42
▸ ▸ ▸ ▸ ▸ 43
44 /CHATROOM/AAA A B C D PubSub Subscribe
45 /CHATROOM/AAA A B C D PubSub Publish
46 /CHATROOM/AAA /TOPIC/BBB A B C D PubSub Subscribe
47 A B C D PubSub Publish /CHATROOM/AAA /TOPIC/BBB
▸ ▸ ▸ 48
Room/1234 A B C PubSub Topic
Room/1234 Room/1234/User/A A B C PubSub Room/1234/User/B Room/1234/User/C Topic
Room/1234 Room/1234/User/A A B C PubSub Room/1234/User/B Room/1234/User/C Topic Topic Subscribe Room/1234/User/D D
▸ ▸ ▸ 52
▸ ▸ ▸ 53
▸ ▸ ▸ ▸ 54
55 ranch ErlangVM
56 ranch ErlangVM session <0.99.0>
57 ranch ErlangVM session <0.99.0> Topic/AA <0.80.0>ETS
58 ranch session <0.99.0> ErlangVM Write <0.99.0> Topic/AA <0.80.0>ETS
59 ranch ErlangVM Topic/AA <0.80.0>, <0.99.0> session <0.99.0> ETS
ranch ErlangVM Topic/AA <0.80.0>, <0.99.0> session <0.99.0> ETS 60
61 ranch session <0.99.0> ErlangVM link Topic/AA <0.80.0>, <0.99.0> Read session <0.80.0> Send ETS
62 ranch session <0.99.0> ErlangVM link Topic/AA <0.80.0>, <0.99.0> Read session <0.80.0> Send ETS
63
64
▸ ▸ ▸ ▸ 65
66 1bit 16 MsgType DUP QoS Retain length MSB LSB Payload Protocol Version User Name Pass
 word Will retain Will QoS Will Clean session Keepalive MSB Keepalive LSB
▸ ▸ ▸ 67
▸ ▸ ▸ ▸ 68
69 1 bit 16 32 Type ( ) Length ( ) SenderTimestamp ( ) ※ ReceiverTimesamp ( ) ※ Payload ( )
70 1 16 32 SectionType SectionLength Value
71 1 16 32 Type Length SenderTimestamp ReceiverTimesamp Payload
72 1 16 32 Type Length SenderTimestamp ReceiverTimesamp SectionType SectionLength Value
73 1 16 32 Type Length SenderTimestamp ReceiverTimesamp SectionType SectionLength Value SectionType SectionLength Value
▸ ▸ ▸ 74
75 CONNECT / CONNECT TOKEN RECONNECT TOKEN CONNACK SUCCESS CONNACK FAILED / CONNACK FAILED UNAVAILABLE etc DISCONNECT SUBSCRIBE UNSUBSCRIBE PUBLISH / PUBLISH ASYNC PUBLISHED / PUBLISHED ASYNC INFO SUBSCRIBER REQUEST RTT NOTIFY START / RTT NOTIFY STOP MESSAGE ACK RESEND REQUEST PING REQUEST / PING RESPONSE TIME REQUEST / TIME RESPONSE DGRAM SETUP REQUEST / DGRAM SETUP REQUEST RECEIVED / DGRAM SETUP COMPLETE DGRAM REFRESH / DGRAM RE-SETUP REQUEST DGRAM DISCONNECT ADD SUBSCRIBER / REMOVE SUBSCRIBER SUBSCRIBE PERMISSION ERROR 
 / PUBLISH PERMISSION ERROR INFO SUBSCRIBER INFO CLIENT RTT
76 1 16 32 Type: Subscribe (0x0400) Length SenderTimestamp ReceiverTimesamp SectionType: MessageID (0x0400) SectionLength: 0x0004 Value: 0x00000001 SectionType: Topic (0x0002) SectionLength Value: topic/AAA (UTF-8)
▸ ▸ ▸ 77
78 1 bit 16 32 Type ( ) Length ( ) SenderTimestamp ( ) ※ ReceiverTimesamp ( ) ※ Payload ( )
79 Client Timer Timer1ms 1000ms Sender 1 Receiver 301 1300ms 321ms PubSub 300ms
80 Client Timer Timer 1 1000 Sender Receiver 1 0 ※ Sender Receiver 1300 301 1300 321 421 Sender Receiver 421 1400 1420 521 1520Sender Receiver 521 1500 PubSub
▸ ▸ 81
82
83
▸ ▸ ▸ ▸ ▸ 84
85 ELB App Job MQ Batch log
▸ ▸ ▸ ▸ 86
87 PubSub App Battle HTTP API Ark
88 App 1. game start API 2. IP:Port, Token, Topic 3. Connect Token 4. Token 5. OK 6. OK
HW 89
90 App PubSub PubSub PubSub HTTP API A 2019-01-01 00:00:00 alive B 2019-01-01 00:00:00 alive C 2019-01-01 00:00:00 alive -4 sec -4 sec -4 sec (5 1 ) API API RDBMS ,
91 App PubSub PubSub PubSub HTTP API A 2019-01-01 00:00:00 dead B 2019-01-01 01:00:00 alive C 2019-01-01 01:00:00 aliveA B C -3604 sec -4 sec -4 sec
92 App PubSub PubSub PubSub HTTP API A 2019-01-01 00:00:00 dead B 2019-01-01 01:00:00 alive C 2019-01-01 01:00:00 aliveA B C -3604 sec -4 sec -4 sec
93 App PubSub PubSub PubSub HTTP API A 2019-01-01 00:00:00 dead B 2019-01-01 01:00:00 alive C 2019-01-01 01:00:00 aliveA B C -3604 sec -4 sec -4 sec
94 App PubSub PubSub PubSub HTTP API A 2019-01-01 00:00:00 dead B 2019-01-01 01:00:00 alive C 2019-01-01 01:00:00 aliveA B C -3604 sec -4 sec -4 sec
▸ 95
96 App Connection 1. heartbeat 2. OK Server A Server B RoomA Server A
97 App Connection 1. heartbeat 2. OK Server A Server B RoomA Server A
98 App 1. RoomA Server? 2. Server B IP, Port … Server A Server B RoomA Server B Connection
A 99
100 App Connection 1. heartbeat 2. OK Server A Server B RoomA Server A
101 App Connection 1. heartbeat 2. OK Server A Server B RoomA Server A 1. RoomA Server? 2. Server B IP, Port …
102 App Connection 1. heartbeat 2. OK Server A Server B RoomA Server B 1. RoomA Server? 2. Server B IP, Port … Connection
▸ ▸ ▸ ▸ 103
104
▸ ▸ ▸ ▸ ▸ 105
▸ ▸ ▸ ▸ ▸ 106
107 Locust Slaves x8 Locust Master m4.2xlarge CPU: 8 RAM: 32GB m4.xlarge CPU: 4 RAM: 16GB PubSub
108 PubSub 1 1 8 x 8 = 64
109 user/room 8 message/user/sec 0.2 waittime[ms]5000 rooms 100 1000 2000 3000 3500 3750 ( ) users 800 8000 16000 24000 28000 30000 ( ) message/sec 1280 12800 25600 38400 44800 48000 ( ) message/sec 1270 12783 25560 38328 44787 21054 (Server)CPU [%] 66.5 360.4 404.7 560.9 635.8 444.4 (Server)RAM [%] 0.6 2.4 3.7 6.2 7.2 16.5 RTT Med [ms] 1 2 5 12 19 34 RTT Avg [ms] 14 11 12 14 27 1260 RTT Max [ms] 44 49 75 356 536 62798 End to End Med [ms] 1 3 8 18 39 460 End to End Avg [ms] 2 12 13 21 50 3017 End to End Max [ms] 747 738 754 1003 1315 100979 66.5 360.4 404.7 560.9 635.8 444.4 1270 12783 25560 38328 44787 21054 0 100 200 300 400 500 600 700 800 0 10000 20000 30000 40000 50000 60000 70000 80000 800 8000 16000 24000 28000 30000 8user/room 1msg/5s (Server)CPU [%] ( ) message/sec
110 user/room 8 message/user/sec 1 waittime[ms]1000 rooms 100 400 800 900 1000 ( ) users 800 3200 6400 7200 8000 ( ) message/sec 6400 25600 51200 57600 64000 ( ) message/sec 6360 25527 48195 53240 25154 (Server)CPU [%] 275.8 618.3 709.3 774.7 766.7 (Server)RAM [%] 0.5 1.1 2.7 3 11.2 RTT Med [ms] 1 1 5 12 5 RTT Avg [ms] 10 7 24 40 494 RTT Max [ms] 45 48 491 1100 34295 End to End Med [ms] 2 11 36 80 310 End to End Avg [ms] 10 13 54 120 970 End to End Max [ms] 554 550 981 2923 44120 275.8 618.3 709.3 774.7 766.7 6360 25527 48195 53240 25154 0 100 200 300 400 500 600 700 800 0 10000 20000 30000 40000 50000 60000 70000 80000 800 3200 6400 7200 8000 8user/room 1msg/s (Server)CPU [%] ( ) message/sec
111 user/room 8 message/user/sec 15 waittime[ms]66.6666666666667 rooms 10 50 70 80 90 100 ( ) users 80 400 560 640 720 800 ( ) message/sec 9600 48000 67200 76800 86400 96000 ( ) message/sec 9096 46047 58600 60764 63539 26390 (Server)CPU [%] 229.8 694.7 776.6 775.6 787.9 786.2 (Server)RAM [%] 0.4 0.5 0.6 0.7 0.7 8 RTT Med [ms] 38 2 7 10 15 24 RTT Avg [ms] 30 14 15 17 23 194 RTT Max [ms] 45 67 93 122 522 20686 End to End Med [ms] 19 19 24 33 46 73 End to End Avg [ms] 18 21 27 37 50 293 End to End Max [ms] 618 631 657 718 1231 39470 229.8 694.7 776.6 775.6 787.9 786.2 9096 46047 58600 60764 63539 26390 0 100 200 300 400 500 600 700 800 0 10000 20000 30000 40000 50000 60000 70000 80000 80 400 560 640 720 800 8user/room 15msg/s (Server)CPU [%] ( ) message/sec
TCP 5 MESSAGE / SEC 112
▸ ▸ 113
▸ ▸ ▸ 
 114
115 user/room 8 message/user/sec 0.2 waittime[ms]5000 rooms 100 2000 3750 6250 7500 8750 ( ) users 800 16000 30000 50000 60000 70000 ( ) message/sec 1280 25600 48000 80000 96000 112000 ( ) message/sec 1281 25639 48124 78742 94555 97731 (Server)CPU [%] 46.9 312.2 426.8 625 723.2 718 (Server)RAM [%] 2 6.8 9.8 14 17.3 18.7 1281 25639 48124 78742 94555 97731 0 100 200 300 400 500 600 700 800 0 20000 40000 60000 80000 100000 120000 140000 160000 800 16000 30000 50000 60000 70000 8user/room 1msg/5s (Server)CPU [%] ( ) message/sec
116 user/room 8 message/user/sec 1 waittime[ms]1000 rooms 100 400 800 1000 1200 1400 1600 ( ) users 800 3200 6400 8000 9600 11200 12800 ( ) message/sec 6400 25600 51200 64000 76800 89600 102400 ( ) message/sec 6356 25472 51202 63890 75912 88143 99033 (Server)CPU [%] 139.4 269.1 425 500.3 625.8 699.2 765.3 (Server)RAM [%] 2 3.6 5 5 5.2 5.2 6.6 6356 25472 51202 63890 75912 88143 99033 0 100 200 300 400 500 600 700 800 0 20000 40000 60000 80000 100000 120000 140000 160000 800 3200 6400 8000 9600 11200 12800 8user/room 1msg/s (Server)CPU [%] ( ) message/sec
117 user/room 8 message/user/sec 15 waittime[ms]66.6666666666667 rooms 10 50 70 80 90 100 110 120 130 140 ( ) users 80 400 560 640 720 800 880 960 1040 1120 ( ) message/sec 9600 48000 67200 76800 86400 96000 105600 115200 124800 134400 ( ) message/sec 8912 45967 64648 74035 83211 91581 99596 106775 112889 116739 (Server)CPU [%] 161.5 374.2 489.7 535.8 582.1 632.1 666.4 703.7 726.9 784.7 (Server)RAM [%] 2.1 2.3 2.3 2.3 2.3 2.2 1.8 2.6 3 3.4 8912 45967 64648 74035 83211 91581 99596 106775 112889 116739 0% 100% 200% 300% 400% 500% 600% 700% 800% 0 20000 40000 60000 80000 100000 120000 140000 10 50 70 80 90 100 110 120 130 140 8user/room 15msg/s (Server)CPU [%] ( ) message/sec
10 MESSAGE / SEC 118
▸ ▸ ▸ 
 ▸ 119
▸ ▸ ▸ 120
121

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