[arch-general] systemd-journald taking too much memory

[Daniel Micay]

On 19/05/14 04:53 AM, Ondřej Kučera wrote:
> Hello,
> 
> from time to time, Thunderbird crashes on my computer. It doesn't happen
> all that often and so far I haven't lost any data, so this actually
> doesn't bother me that much.
> 
> But, when it happens, suddenly the process systemd-journald starts
> allocating more and more memory (this last time it went up to 1.3 GB),
> which makes the computer start swapping and for a few minutes it becomes
> quite unusable. I have no idea what journald is trying to log at that
> moment. This is what I found in the journal afterwards (also notice that
> last lines are out of order):
> 
> May 19 10:24:18 rory systemd-journal[7906]: Permanent journal is using
> 28.0M (max allowed 15.0M, trying to leave 4.0G free of 131.5G available
> → current limit 28.0M).
> May 19 10:24:19 rory systemd[1]: Starting Journal Service...
> May 19 10:24:19 rory systemd[1]: systemd-journald.service stop-sigterm
> timed out. Killing.
> May 19 10:24:19 rory systemd[1]: Starting Journal Service...
> May 19 10:24:19 rory systemd[1]: systemd-journald.service: main process
> exited, code=killed, status=9/KILL
> May 19 10:24:19 rory systemd[1]: Unit systemd-journald.service entered
> failed state.
> May 19 10:24:19 rory systemd[1]: systemd-journald.service has no holdoff
> time, scheduling restart.
> May 19 10:24:19 rory systemd[1]: Stopping Journal Service...
> May 19 10:24:19 rory systemd[1]: Starting Journal Service...
> May 19 10:24:19 rory systemd[1]: Started Journal Service.
> May 19 10:24:19 rory systemd-journal[7906]: Journal started
> May 19 10:22:31 rory systemd[1]: systemd-journald.service watchdog timeout!
> May 19 10:24:05 rory systemd[1]: Starting Trigger Flushing of Journal to
> Persistent Storage...
> May 19 10:24:08 rory systemd[1]: Started Trigger Flushing of Journal to
> Persistent Storage.
> 
> Is there a journald setting I could use to prevent this huge memory
> allocation?
> 
> Ondřej

It's from logging the core dump:

https://wiki.archlinux.org/index.php/Systemd#Disabling_application_crash_dumps_journaling

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