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【无需解决】阿里云香港ECS服务器SSH连接卡顿

阿里云 crifan 239浏览 0评论

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期间,用SecureCRT通过SSH登录ECS服务器,输入内容时,发现时不时的卡顿

此处发现阿里云的香港的ECS服务器,有点卡啊

所以去重启,看看能否解决卡的问题:

阿里云 ECS SSH 卡顿

SSH远程连接,打字卡顿 – 阿里云

慎重购买阿里云海外节点的服务器 – 阿里云

杭州D区 SSH登陆上去输入卡顿严重 – 阿里云

本地Mac去ping阿里云香港ECS服务器,速度貌似正常:

➜  ~ ping 47.52.190.220
PING 47.52.190.220 (47.52.190.220): 56 data bytes
64 bytes from 47.52.190.220: icmp_seq=0 ttl=48 time=39.432 ms
64 bytes from 47.52.190.220: icmp_seq=1 ttl=48 time=39.101 ms
64 bytes from 47.52.190.220: icmp_seq=2 ttl=48 time=38.864 ms
64 bytes from 47.52.190.220: icmp_seq=3 ttl=48 time=38.815 ms
64 bytes from 47.52.190.220: icmp_seq=4 ttl=48 time=38.335 ms
64 bytes from 47.52.190.220: icmp_seq=5 ttl=48 time=40.459 ms
64 bytes from 47.52.190.220: icmp_seq=6 ttl=48 time=39.489 ms
64 bytes from 47.52.190.220: icmp_seq=7 ttl=48 time=38.437 ms
64 bytes from 47.52.190.220: icmp_seq=8 ttl=48 time=39.104 ms
64 bytes from 47.52.190.220: icmp_seq=9 ttl=48 time=38.698 ms
^C
--- 47.52.190.220 ping statistics ---
10 packets transmitted, 10 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 38.335/39.073/40.459/0.585 ms

ECS Linux服务器出现卡顿或死机现象的分析排查

[root@izj6cefkuu3496m71s907xz oneinstack]# ps -ef
UID        PID  PPID  C STIME TTY          TIME CMD
root         1     0  0 21:11 ?        00:00:00 /usr/lib/systemd/systemd --switched-root --system --deserialize 21
root         2     0  0 21:11 ?        00:00:00 [kthreadd]
root         3     2  0 21:11 ?        00:00:00 [ksoftirqd/0]
root         5     2  0 21:11 ?        00:00:00 [kworker/0:0H]
root         6     2  0 21:11 ?        00:00:00 [kworker/u4:0]
root         7     2  0 21:11 ?        00:00:00 [migration/0]
root         8     2  0 21:11 ?        00:00:00 [rcu_bh]
root         9     2  0 21:11 ?        00:00:00 [rcu_sched]
root        10     2  0 21:11 ?        00:00:00 [watchdog/0]
root        11     2  0 21:11 ?        00:00:00 [watchdog/1]
root        12     2  0 21:11 ?        00:00:00 [migration/1]
root        13     2  0 21:11 ?        00:00:00 [ksoftirqd/1]
root        14     2  0 21:11 ?        00:00:00 [kworker/1:0]
root        15     2  0 21:11 ?        00:00:00 [kworker/1:0H]
root        17     2  0 21:11 ?        00:00:00 [kdevtmpfs]
root        18     2  0 21:11 ?        00:00:00 [netns]
root        19     2  0 21:11 ?        00:00:00 [khungtaskd]
root        20     2  0 21:11 ?        00:00:00 [writeback]
root        21     2  0 21:11 ?        00:00:00 [kintegrityd]
root        22     2  0 21:11 ?        00:00:00 [bioset]
root        23     2  0 21:11 ?        00:00:00 [kblockd]
root        24     2  0 21:11 ?        00:00:00 [md]
root        25     2  0 21:11 ?        00:00:00 [kworker/0:1]
root        26     2  0 21:11 ?        00:00:00 [kworker/1:1]
root        31     2  0 21:11 ?        00:00:00 [kswapd0]
root        32     2  0 21:11 ?        00:00:00 [ksmd]
root        33     2  0 21:11 ?        00:00:00 [khugepaged]
root        34     2  0 21:11 ?        00:00:00 [crypto]
root        42     2  0 21:11 ?        00:00:00 [kthrotld]
root        43     2  0 21:11 ?        00:00:00 [kworker/u4:1]
root        44     2  0 21:11 ?        00:00:00 [kmpath_rdacd]
root        45     2  0 21:11 ?        00:00:00 [kpsmoused]
root        46     2  0 21:11 ?        00:00:00 [kworker/0:2]
root        47     2  0 21:11 ?        00:00:00 [ipv6_addrconf]
root        66     2  0 21:11 ?        00:00:00 [deferwq]
root       104     2  0 21:11 ?        00:00:00 [kauditd]
root       223     2  0 21:11 ?        00:00:00 [kworker/1:3]
root       224     2  0 21:11 ?        00:00:00 [ata_sff]
root       241     2  0 21:11 ?        00:00:00 [scsi_eh_0]
root       242     2  0 21:11 ?        00:00:00 [scsi_tmf_0]
root       243     2  0 21:11 ?        00:00:00 [scsi_eh_1]
root       244     2  0 21:11 ?        00:00:00 [scsi_tmf_1]
root       247     2  0 21:11 ?        00:00:00 [ttm_swap]
root       261     2  0 21:11 ?        00:00:00 [kworker/1:1H]
root       264     2  0 21:11 ?        00:00:00 [kworker/0:1H]
root       271     2  0 21:11 ?        00:00:00 [jbd2/vda1-8]
root       272     2  0 21:11 ?        00:00:00 [ext4-rsv-conver]
root       340     1  0 21:12 ?        00:00:00 /usr/lib/systemd/systemd-journald
root       369     1  0 21:12 ?        00:00:00 /usr/lib/systemd/systemd-udevd
root       441     2  0 21:12 ?        00:00:00 [edac-poller]
root       474     1  0 21:12 ?        00:00:00 /sbin/auditd
polkitd    498     1  0 21:12 ?        00:00:00 /usr/lib/polkit-1/polkitd --no-debug
root       499     1  0 21:12 ?        00:00:00 /usr/sbin/irqbalance --foreground
dbus       500     1  0 21:12 ?        00:00:00 /bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
root       505     1  0 21:12 ?        00:00:00 /usr/lib/systemd/systemd-logind
root       508     1  0 21:12 ?        00:00:00 /usr/sbin/rsyslogd -n
root       515     1  0 21:12 ?        00:00:00 /usr/sbin/crond -n
root       520     1  0 21:12 ?        00:00:00 /usr/sbin/atd -f
root       525     1  0 21:12 tty1     00:00:00 /sbin/agetty --noclear tty1 linux
root       526     1  0 21:12 ttyS0    00:00:00 /sbin/agetty --keep-baud 115200 38400 9600 ttyS0 vt220
root       753     1  0 21:12 ?        00:00:00 /usr/bin/python -Es /usr/sbin/tuned -l -P
ntp        814     1  0 21:12 ?        00:00:00 /usr/sbin/ntpd -u ntp:ntp -g
root       887     1  0 21:12 ?        00:00:00 /usr/local/aegis/aegis_update/AliYunDunUpdate
root      1019     1  0 21:12 ?        00:00:01 /usr/local/aegis/aegis_client/aegis_10_49/AliYunDun
root      1159     1  0 21:12 ?        00:00:00 /usr/sbin/sshd -D
root      1166  1159  0 21:12 ?        00:00:00 sshd: root@pts/0
root      1177  1166  0 21:12 pts/0    00:00:00 -bash
root      1211     1  0 21:12 ?        00:00:00 /usr/sbin/aliyun-service
root      1244  1177  0 21:17 pts/0    00:00:00 screen -S oneinstack
root      1245  1244  0 21:17 ?        00:00:00 SCREEN -S oneinstack
root      1246  1245  0 21:17 pts/1    00:00:00 /bin/bash
root      1358  1246  0 21:22 pts/1    00:00:00 ps -ef

然后又不卡顿了。

所以现在是:

不清楚什么情况导致卡顿,

而且是偶尔发生的。

郁闷。

影响使用。

【后记 20180828】

这次去SSH操作服务器,好像没有卡顿了。

有待后续观察,看看卡顿是否复现。

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