In some email I received from Roger Marquis, sie wrote: > > > > > * Performance issues with log file opening/closing (reading and > > > > writing the entire logfile) once per message. > > > > I don't know of *any* implementation that does the above. I think that > > this has been mentioned here and others have run with it. > > Haven't verified this in the code but if you move a file (mv > /var/log/mail.messages /var/log/mail.oldmessages; touch > /var/log/mail.messages) and the new entries are written to the original > filename that would indicate that the file handle was not being held open. > Otherwise you'd see logs continuing to be appended to the new file > (/var/log/mail.oldmessages). And that is what happens on every box I've seen - until a SIGHUP is sent to the syslogd process, that is.
