[syslog-ng] feature request?: monitor open logs for deletion/rename
bazsi77 at gmail.com
Thu Jul 12 13:07:44 CEST 2012
----- Original message -----
> Balazs Scheidler <bazsi77 at gmail.com> writes:
> > no need to use inotify for this. merely stating the file regularly
> > should indicate the new file with a changed inode number.
> But inotify has the benefit of not needing regular polls, and immediate
> notification when files change. I wouldn't want it for performance,
> because it wouldn't give a noticable boost in this case. I like inotify
> better in this case because of responsiveness, and effectiveness.
> For example, if my low-power system is happily idling, I'd rather not
> have syslog-ng regularly stat files and wake up the disk. However, if
> the kernel signals us that hey, this stuff here changed, that's much
> more efficient.
> Sadly, I don't have such a system where it would make any difference,
> but still! :P
sorry I may have put that a bit easy to misunderstand. I meant that we can issue a stat before each write. No need to start separate polling. Syslog-ng has woken up in that case anyway.
> > i was thinking about a separate operation to reopen files
> > (e.g. syslog-ng-ctl reopen-files) to avoid having to reload the
> > configuration, but this idea seems simpler to implement.
> syslog-ng-ctl reopen-files could be useful nevertheless, for different
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