现在这个错误真的很令人沮丧，我找不到原因。
我在 digitalocean 上有一个服务器，用于为我的网站提供服务。但自从从 Windows 切换到 Ubuntu 16.04 后，出现了随机 ssh 延迟问题。它时断时续。
延迟不仅仅发生在登录时。（我尝试添加 UseDNS 否）。即使我最终登录了，我也无法输入任何命令，因为命令需要 10 到 20 秒才能显示出来。
我做了跟踪路由，但不知道这意味着什么以及如何解决这个问题。
traceroute "ip"
traceroute to "ip" ("ip"), 30 hops max, 60 byte packets
1 * * *
2 * * *
3 172.23.80.49 (172.23.80.49) 80.367 ms 127.421 ms 127.479 ms
4 mai-b1-link.telia.net (213.248.83.161) 293.276 ms mai-b1-link.telia.net (213.248.76.89) 293.319 ms mai-b1-link.telia.net (213.248.83.161) 293.389 ms
5 ash-bb4-link.telia.net (62.115.113.200) 293.391 ms * *
6 nyk-bb2-link.telia.net (62.115.137.65) 293.514 ms nyk-bb1-link.telia.net (213.155.134.126) 213.196 ms nyk-bb2-link.telia.net (62.115.137.65) 166.349 ms
7 nyk-b3-link.telia.net (62.115.112.253) 180.545 ms nyk-b3-link.telia.net (80.239.147.138) 204.523 ms nyk-b3-link.telia.net (80.91.247.19) 204.509 ms
8 digitalocean-ic-306498-nyk-b3.c.telia.net (62.115.45.10) 204.608 ms 204.596 ms *
9 162.243.188.234 (162.243.188.234) 205.152 ms 162.243.188.230 (162.243.188.230) 205.032 ms 190.648 ms
10 "ip" ("ip") 59.939 ms 105.458 ms 116.519 ms
$ traceroute -n "ip"
traceroute to "ip" ("ip"), 30 hops max, 60 byte packets
1 * * *
2 * * *
3 172.23.80.49 88.487 ms 131.767 ms 131.804 ms
4 213.248.76.89 217.216 ms 213.248.83.161 217.284 ms 213.248.76.89 217.320 ms
5 62.115.113.200 267.056 ms 62.115.113.198 267.865 ms 267.904 ms
6 213.155.134.148 267.909 ms 213.155.133.8 295.299 ms 62.115.134.110 185.072 ms
7 80.239.147.132 184.852 ms 80.239.147.134 165.540 ms 62.115.112.251 166.324 ms
8 62.115.45.6 166.163 ms 148.741 ms 148.065 ms
9 162.243.188.230 147.985 ms 213.959 ms 162.243.188.234 165.199 ms
10 "ip" 165.055 ms 150.840 ms 158.119 ms
另外，我的朋友运行 arch 时也遇到了一点延迟，但是仍然可以使用。
“-vvv”标志输出：
debug3: send packet: type 50
debug2: we sent a publickey packet, wait for reply
debug3: receive packet: type 52
debug1: Authentication succeeded (publickey).
Authenticated to "ip" (["ip"]:305).
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug3: send packet: type 90
debug1: Requesting [email protected]
debug3: send packet: type 80
debug1: Entering interactive session.
debug1: pledge: network
debug3: receive packet: type 91
debug2: callback start
debug2: fd 3 setting TCP_NODELAY
debug3: ssh_packet_set_tos: set IP_TOS 0x10
debug2: client_session2_setup: id 0
debug2: channel 0: request pty-req confirm 1
debug3: send packet: type 98
debug1: Sending environment.
debug3: Ignored env XDG_VTNR
debug1: Sending env LC_PAPER = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug1: Sending env LC_ADDRESS = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env XDG_SESSION_ID
debug3: Ignored env XDG_GREETER_DATA_DIR
debug1: Sending env LC_MONETARY = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env CLUTTER_IM_MODULE
debug3: Ignored env SESSION
debug3: Ignored env GPG_AGENT_INFO
debug3: Ignored env TERM
debug3: Ignored env VTE_VERSION
debug3: Ignored env SHELL
debug3: Ignored env QT_LINUX_ACCESSIBILITY_ALWAYS_ON
debug3: Ignored env WINDOWID
debug1: Sending env LC_NUMERIC = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env UPSTART_SESSION
debug3: Ignored env GNOME_KEYRING_CONTROL
debug3: Ignored env GTK_MODULES
debug3: Ignored env USER
debug3: Ignored env LS_COLORS
debug1: Sending env LC_TELEPHONE = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env QT_ACCESSIBILITY
debug3: Ignored env XDG_SESSION_PATH
debug3: Ignored env XDG_SEAT_PATH
debug3: Ignored env SSH_AUTH_SOCK
debug3: Ignored env DEFAULTS_PATH
debug3: Ignored env XDG_CONFIG_DIRS
debug3: Ignored env DESKTOP_SESSION
debug3: Ignored env PATH
debug3: Ignored env QT_IM_MODULE
debug3: Ignored env QT_QPA_PLATFORMTHEME
debug1: Sending env LC_IDENTIFICATION = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env XDG_SESSION_TYPE
debug3: Ignored env PWD
debug3: Ignored env JOB
debug3: Ignored env XMODIFIERS
debug3: Ignored env GNOME_KEYRING_PID
debug1: Sending env LANG = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env GDM_LANG
debug3: Ignored env MANDATORY_PATH
debug3: Ignored env NODE_PATH
debug1: Sending env LC_MEASUREMENT = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env COMPIZ_CONFIG_PROFILE
debug3: Ignored env IM_CONFIG_PHASE
debug3: Ignored env PAPERSIZE
debug3: Ignored env GDMSESSION
debug3: Ignored env SESSIONTYPE
debug3: Ignored env GTK2_MODULES
debug3: Ignored env SHLVL
debug3: Ignored env HOME
debug3: Ignored env XDG_SEAT
debug3: Ignored env LANGUAGE
debug3: Ignored env GNOME_DESKTOP_SESSION_ID
debug3: Ignored env UPSTART_INSTANCE
debug3: Ignored env UPSTART_EVENTS
debug3: Ignored env XDG_SESSION_DESKTOP
debug3: Ignored env LOGNAME
debug3: Ignored env COMPIZ_BIN_PATH
debug3: Ignored env DBUS_SESSION_BUS_ADDRESS
debug3: Ignored env XDG_DATA_DIRS
debug3: Ignored env QT4_IM_MODULE
debug3: Ignored env LESSOPEN
debug3: Ignored env INSTANCE
debug3: Ignored env UPSTART_JOB
debug3: Ignored env XDG_RUNTIME_DIR
debug3: Ignored env DISPLAY
debug3: Ignored env XDG_CURRENT_DESKTOP
debug3: Ignored env GTK_IM_MODULE
debug3: Ignored env LESSCLOSE
debug1: Sending env LC_TIME = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug1: Sending env LC_NAME = en_US.UTF-8
debug2: channel 0: request env confirm 0
debug3: send packet: type 98
debug3: Ignored env XAUTHORITY
debug3: Ignored env _
debug2: channel 0: request shell confirm 1
debug3: send packet: type 98
debug2: callback done
debug2: channel 0: open confirm rwindow 0 rmax 32768
在输出的最后一行处冻结。
任何帮助将不胜感激。
答案1
除非“top”显示 CPU 使用率徘徊在 100% 左右，否则您的延迟是由于某种形式的网络问题造成的。
如果您对他们提供的服务水平有疑问，请联系 DigitalOcean。