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systemd-journal 的 CPU 使用率似乎很高（60~70%）

# journalctl
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00 PREC=0x00 TTL=64 ID=25585 DF PROTO=TCP SPT=43
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08 PREC=0x00 TTL=64 ID=54980 DF PROTO=TCP SPT=33
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08 PREC=0x00 TTL=64 ID=54980 DF PROTO=TCP SPT=33
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00 PREC=0x00 TTL=64 ID=25586 DF PROTO=TCP SPT=43
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00 PREC=0x00 TTL=64 ID=25586 DF PROTO=TCP SPT=43
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08 PREC=0x00 TTL=64 ID=54981 DF PROTO=TCP SPT=33
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08 PREC=0x00 TTL=64 ID=54981 DF PROTO=TCP SPT=33
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00 PREC=0x00 TTL=64 ID=25587 DF PROTO=TCP SPT=43
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00 PREC=0x00 TTL=64 ID=25587 DF PROTO=TCP SPT=43
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_IN:IN=lo OUT= MAC=00:00:00:00:00:00:00:00:00:00:00:00:08:00 SRC=127.0.0.1 DST=127.0.0.1 LEN=120 TOS=0x00
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08 PREC=0x00 TTL=64 ID=54982 DF PROTO=TCP SPT=33
Jun 11 17:31:14 hotname.example kernel: BANDWIDTH_OUT:IN= OUT=lo SRC=127.0.0.1 DST=127.0.0.1 LEN=160 TOS=0x08 PREC=0x00 TTL=64 ID=54982 DF PROTO=TCP SPT=33

并且 /var/log/debug ,syslog,bandwidth,kern.log 文件大小增加得非常快。

原因是什么？解决办法是什么？

4

1 回答 1

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这似乎与Ask Ubuntu 上的这个问题重复。也许你可以在那里找到答案。

于 2020-06-11T16:41:50.103 回答