MCstats

• ​MCStats / Plugin Metrics (R7) - Easy & advanced Plugin Statistics | Bukkit Forums
• ​Random outgoing connections from Spigot | SpigotMC - High Performance Minecraft
• ​Disabling McStats / Metrics | SpigotMC - High Performance Minecraft
  • opt-out: trueとすることで、サーバ情報などの自動送信は止まる模様

• 実際に送受信されるデータ

  POST /report/Spigot HTTP/1.1
  User-Agent: Java/1.8.0_45
  Host: mcstats.org
  Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2
  Connection: keep-alive
  Content-type: application/x-www-form-urlencoded
  Content-Length: 241
  
  guid=4ee6e6f7-e930-4268-ada3-cf5448ae0100&version=git-Spigot-870264a-0a645a2&server=git-Spigot-870264a-0a645a2+%28MC%3A+1.8.3%29&players=0&revision=6&osname=Windows+7&osarch=x86_64&osversion=6.1&cores=8&online-mode=true&java_version=1.8.0_45
  
  HTTP/1.1 200 OK
  Server: nginx/1.6.2
  Date: Sun, 31 May 2015 17:06:55 GMT
  Content-Type: text/plain
  Content-Length: 2
  Connection: keep-alive
  
  OK
  

  POST /report/Spigot HTTP/1.1
  User-Agent: Java/1.8.0_45
  Host: mcstats.org
  Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2
  Connection: keep-alive
  Content-type: application/x-www-form-urlencoded
  Content-Length: 241
  
  guid=df437b46-3e98-419b-b6c1-9ccd7eb2262a&version=git-Spigot-870264a-0a645a2&server=git-Spigot-870264a-0a645a2+%28MC%3A+1.8.3%29&players=0&revision=6&osname=Windows+7&osarch=x86_64&osversion=6.1&cores=8&online-mode=true&java_version=1.8.0_45
  
  HTTP/1.1 200 OK
  Server: nginx/1.6.2
  Date: Sun, 31 May 2015 17:23:25 GMT
  Content-Type: text/plain
  Content-Length: 2
  Connection: keep-alive
  
  OK
  

  • guidはデータを作り直すと再作成される模様

LagMeter

• ​LagMeter - Bukkit

• /srv/craftbukkit/plugins/LagMeter/settings.yml

  Commands:
      Lag:
          displayEntities: true
          displayChunks: true
  log:
      interval: 30
      logTotalEntitiesOnly: false
      logTotalChunksOnly: false
  

• /srv/craftbukkit/plugins/LagMeter/lag.log

  [01-03-2016 15:50:01] TPS: 20.0
  Memory free: 698.37/989.88 (70.55%)
  Players online: 0/20
  Chunks loaded in world "world": 256
  Chunks loaded in world "world_nether": 0
  Chunks loaded in world "world_the_end": 0
  Total chunks loaded: 256
  Entities in world "world": 70
  Entities in world "world_nether": 0
  Entities in world "world_the_end": 0
  Total entities: 70
  
  [01-03-2016 15:51:01] TPS: 20.0
  Memory free: 798.28/989.88 (80.64%)
  Players online: 0/20
  Chunks loaded in world "world": 256
  Chunks loaded in world "world_nether": 0
  Chunks loaded in world "world_the_end": 0
  Total chunks loaded: 256
  Entities in world "world": 70
  Entities in world "world_nether": 0
  Entities in world "world_the_end": 0
  Total entities: 70
  
  (snip)
  
  [01-03-2016 16:11:01] TPS: 20.0
  Memory free: 770.26/989.88 (77.81%)
  Players online: 1/20
  Chunks loaded in world "world": 441
  Chunks loaded in world "world_nether": 0
  Chunks loaded in world "world_the_end": 0
  Total chunks loaded: 441
  Entities in world "world": 148
  Entities in world "world_nether": 0
  Entities in world "world_the_end": 0
  Total entities: 148
  
  (snip)
  
  [01-03-2016 16:36:15] TPS: 20.0
  Memory free: 740.14/989.88 (74.77%)
  Players online: 1/20
  Chunks loaded in world "world": 272
  Chunks loaded in world "world_nether": 441
  Chunks loaded in world "world_the_end": 0
  Total chunks loaded: 713
  Entities in world "world": 74
  Entities in world "world_nether": 26
  Entities in world "world_the_end": 0
  Total entities: 100
  

• ​mcrcon
  • 

    [01-03-2016 16:42:35] TPS: 20.0
    Memory free: 751.50/989.88 (75.92%)
    Players online: 1/20
    Chunks loaded in world "world": 272
    Chunks loaded in world "world_nether": 441
    Chunks loaded in world "world_the_end": 0
    Total chunks loaded: 713
    Entities in world "world": 75
    Entities in world "world_nether": 26
    Entities in world "world_the_end": 0
    Total entities: 101
    

  • RCONの方は手動で取得しているので、厳密に同時刻ではない

• ​Essentials プラグインにも似たような機能は存在している
  • ​http://wiki.mc-ess.net/wiki/Command_Reference

    gc

    lag, mem, memory, uptime, tps, entities Displays server usage information. /<command>

    Instructions:	Displays chunk, memory, and world information.