Yesterday my system was slow and I checked iotop: systemd-journal was
using 99% IO (but not CPU). I haven't restarted the machine, but kill
systemd-journal didn't help, the process would respawn -- as expected
-- and resume the heavy IO).
I disabled storage ("Storage=none") and restarted the service. It
helped a lot, but I still get the ocasional slow down -- though a lot
less severe.
iotop output (idle prio is because I did a ionice -c3 on it):
23616 idle root 3.14 M/s 14.86 K/s 0.00 % 99.62 % systemd-journald
$ df -h
Filesystem Size Used Avail Use% Mounted on
rootfs 15G 11G 4,1G 72% /
System: up-to-date Fedora 17, x86
$ sudo rpm -qa systemd*
systemd-sysv-44-21.fc17.i686
systemd-44-21.fc17.i686
systemd-analyze-44-21.fc17.i686
What else can I do to debug what is going on next time it happens?
Thanks in Advance,
--
Pedro Francisco
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