Docker 命令突然在 Debian 上挂起
我有一台运行 docker (20.10.12) 的 Debian (5.10.92-1) 机器，大约有 15 个左右的容器。
直到昨天它都工作得很好，但现在表现出了一些非常奇怪的行为：
- 重新启动后，一切似乎都正常。
- 在检查容器时，需要传出连接的容器有时会出现卡住的情况。只是卡住了，日志中没有错误等。
- 我在日志中看到一些 DNS 解析错误：external DNS udp:4.2.2.2 did not return any AAAA reports for "fapi.binance.com""
- The host has no Problemreach域
- 设置了两个 DNS 服务器
- 磁盘上有超过 400GB 的可用空间
当我尝试查看卡住的容器的日志时：
- 有时我可以看到它，
- 有时命令只是挂起，我需要关闭该终端。
- daemon.json 使用用于检查容器等的 UI 工具有时会加载并工作，有时会加载并且我可以看到容器的日志，但在尝试重新启动容器时它会冻结，有时该工具会在加载时冻结
。尝试杀死一个容器：
- 有时
- 它会挂起，最终容器消失；从那时起，
文件等，但它不会改变任何东西。
我会删除所有 我尝试重新启动 Docker 守护进程：
- 有时它会重新启动，
- 有时命令会超时
这真的很奇怪，不一致，新的和突然的。
我应该看哪里？
I have a Debian (5.10.92-1) machine running docker (20.10.12) and there are roughly 15 or so containers.
It was working perfectly until yesterday but is now exhibiting some really odd behavior:
- Upon reboot everything seems to work
- When inspecting containers, the ones that require outgoing connections sometimes appear stuck. Just stuck, no errors in the log, etc.
- I see some DNS resolution errors in the logs: external DNS udp:4.2.2.2 did not return any AAAA records for "fapi.binance.com.""
- The host has no problem reaching the domain
- The daemon.json has two DNS servers setup
- There is over 400gb free on the disk
When I try to see the log of a stuck container:
- sometimes I can see it
- sometimes the command just hangs and I need to close that terminal.
- I use the UI tool 'dry' to inspect containers, etc; sometimes, it loads and works, sometimes it loads and I can see a container's log but it'll freeze when trying to restart the containers and sometimes the tool freezes on load.
When I try to kill a container:
- sometimes it'll kill it.
- sometimes it'll hang and eventually the container is gone; from then on, many commands will just freeze.
I pruned all files, etc and it didn't change anything.
When I try to restart the Docker daemon:
- sometimes it'll restart it
- sometimes the command will timeout
This is really odd, inconsistent, new and sudden.
Where should I look at?
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