[Minecraft] サーバークラッシュ: A single server tick took 60.00 seconds (should be max 0.05)

サーバーが落ちてた。ログの内容は以下。

[21:27:39] [Server Watchdog/FATAL]: A single server tick took 60.00 seconds (should be max 0.05)
[21:27:39] [Server Watchdog/FATAL]: Considering it to be crashed, server will forcibly shutdown.
[21:27:59] [Server Watchdog/ERROR]: This crash report has been saved to: /opt/minecraft/./crash-reports/crash-2016-05-07_21.27.59-server.txt
[21:27:59] [Server Shutdown Thread/INFO]: Stopping server
[21:27:59] [Server Shutdown Thread/INFO]: Saving players

[21:27:39] [Server Watchdog/FATAL]: A single server tick took 60.00 seconds (should be max 0.05)

[21:27:39] [Server Watchdog/FATAL]: Considering it to be crashed, server will forcibly shutdown.

[21:27:59] [Server Watchdog/ERROR]: This crash report has been saved to: /opt/minecraft/./crash-reports/crash-2016-05-07_21.27.59-server.txt

[21:27:59] [Server Shutdown Thread/INFO]: Stopping server

[21:27:59] [Server Shutdown Thread/INFO]: Saving players

処理能力が足りずに実用のスレッショルド以下になったため強制シャットダウンされたという感じに見える。あまり費用を掛けたくないけど、RAMを512MBから1GBに増やして様子を見よう。以前から仮想記憶は2GB切ってあるけど、実メモリが圧迫されすぎているのであれば仕方ない。

参考サイト

1.8 server crashing, skipping ticks – Minecraft Forum
http://www.minecraftforum.net/forums/support/server-support/2205991-1-8-server-crashing-skipping-ticks

Server Crashing – Can you help? : Minecraft
https://www.reddit.com/r/Minecraft/comments/320b14/server_crashing_can_you_help/

参考サイト

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