Mailinglist Archive: opensuse (389 mails)

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Re: [opensuse] systemd logging
On 15/03/2019 13.33, Dave Howorth wrote:
Can systemd's journald be configured to write logs to RAM and then
periodically save them to disk?

I know it can write to RAM and I know it can write to disk, but I don't
know whether it can combine the two.

The use case is to reduce the number of write operations on a memory

PS An actual configuration example would be a lot more use than a
simple yes or no in answer to my question :)

I don't know of a setting for this. I assume it writes to ram initially
and soon to disk. I don't know how long it waits before commiting to disk.

Ok, found one (man journald.conf):

The timeout before synchronizing journal files to disk. After
syncing, journal files are placed in the OFFLINE state. Note
that syncing is unconditionally done immediately after a log
message of priority CRIT, ALERT or EMERG has been logged. This
setting hence applies only to messages of the levels ERR,
WARNING, NOTICE, INFO, DEBUG. The default timeout is 5 minutes.

Well, there you have.

Cheers / Saludos,

Carlos E. R.
(from 15.0 x86_64 at Telcontar)

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