[systemd-devel] journal: Receiving messages from the future

Lennart Poettering lennart at poettering.net
Tue Oct 24 08:39:32 UTC 2017


On Fr, 13.10.17 12:00, Michael Littlejohn (mlittlej at live.co.uk) wrote:

> Hi,
> 
> TL;DR: Server is receiving log message via systemd-journal-remote
> from 14s in the future (sender clock is 14s fast). Causes journal
> files to close, rotate and start anew on every message/batch. Check
> at journal-file.c:621 is checking for messages "from the future"
> from perspective of local system, rather than checking if messages
> are in or out of order within context of that message
> stream. Discuss.

Sounds like a bug. Rotate-on-time-jumps is a feature journald should
enforce, but not journal-remote. Please file a bug about this in the
github issue tracker, or even better prep a PR fixing this!

Thanks,

Lennart

-- 
Lennart Poettering, Red Hat


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