On 18/09/14 17:33, Reco wrote:
1) Unstable journald format. Good luck finding that exact version of journalctl to read logs over next several years.
When journald was *introduced*, systemd-journald's log file format was not immediately finalized.
However, at the time of this e-mail, it appears to have been covered by the Interface Stability Promise for nearly a year *at a minimum*; as of 24 Oct 2013 (the last time the page linked below was edited), journald's on-disk recording (Journal File Format) and on-wire network transfer (Journal Export Format) formats were definitely labelled as being covered by the Interface Stability Promise:
http://www.freedesktop.org/wiki/Software/systemd/InterfacePortabilityAndStabilityChart/So I'm not inclined to worry much about the stability of the journal's format.