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xen-devel
Re: [Xen-devel] [PATCH] xend: open qemu-dm log files in append mode
Yosuke Iwamatsu writes ("Re: [Xen-devel] [PATCH] xend: open qemu-dm log files
in append mode"):
> So the attached patch improves the qemu-log rotation in xend to keep
> maximum of 20 backup logfiles per domain. I still prefer the previous
> patch that will avoid information loss when, for example, a guest
> repeats cursh and reboot. But this patch might be at least a little bit
> better than the current one-historic-backup solution. Any comment?
I think this patch is much better.
It would be good if the maximum logfiles to keep would be
configurable; making it part of the ordinary xend configuration would
do.
Also, one minor stylistic point. This idiom
if os.path.exists(self.logfile + ".%d" % nr_max_log_rotation):
is rather unusual, although not actually wrong. It combines string
concatenation and %-formatting. Surely one of
"%s.%d" % (self.logfile, nr_max_log_rotation)
self.logfile + '.' + `nr_max_log_rotation`
would be better ? (I would have used the former.)
Ian.
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