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From: Wei Liu <wei.liu2@citrix.com>
To: David Vrabel <david.vrabel@citrix.com>
Cc: Xen-devel <xen-devel@lists.xenproject.org>,
	Wei Liu <wei.liu2@citrix.com>,
	Ian Jackson <Ian.Jackson@eu.citrix.com>
Subject: Re: [PATCH 0/6] xenconsoled: rotating log file abstration
Date: Tue, 7 Jun 2016 11:34:25 +0100	[thread overview]
Message-ID: <20160607103425.GH25922@citrix.com> (raw)
In-Reply-To: <5756A20B.2080806@citrix.com>

On Tue, Jun 07, 2016 at 11:29:31AM +0100, David Vrabel wrote:
> On 07/06/16 11:21, Wei Liu wrote:
> > On Tue, Jun 07, 2016 at 11:17:07AM +0100, David Vrabel wrote:
> >> On 07/06/16 10:55, Wei Liu wrote:
> >>> On Tue, Jun 07, 2016 at 10:44:50AM +0100, David Vrabel wrote:
> >>>> On 06/06/16 16:59, Wei Liu wrote:
> >>>>> Wei Liu (6):
> >>>>>   xenconsoled: introduce log file abstraction
> >>>>>   xenconsoled: switch hypervisor log to use logfile abstraction
> >>>>>   xenconsoled: switch guest log to use logfile abstraction
> >>>>>   xenconsoled: delete two now unused functions
> >>>>>   xenconsoled: options to control log rotation
> >>>>>   xenconsoled: handle --log-backups 0 in logfile_rollover
> >>>>
> >>>> What not use syslog and/or logrotate?
> >>>>
> >>>
> >>> It's cumbersome to setup per guest facility for syslog. We don't want
> >>> console log from different guests mix together in one file.
> >>>
> >>> Logrorate runs periodically. It doesn't actively limit the disk space
> >>> consumed.
> >>>
> >>> The combination of syslog and logrotate can't prevent a guest from
> >>> filling up Dom0 disk as far as I can tell. I'm happy to know if there is
> >>> some sort of simple configuration we can ship with open source Xen.
> >>
> >> Ok. Found the other thread now.
> >>
> >> We should just use virtlogd instead of re-inventing the wheel.
> >>
> > 
> > As in importing that to our own tree (potentially a fork)? Provide
> > interfaces to let system administrator configure that (need to at least
> > check if it provides stable interfaces)?
> 
> Of course not!  It would simply be an external dependency.
> 
> > Not to mention to use that we need to add dependency to some sort of RPC
> > library in our toolstack.
> 
> So?
> 

That's something I would like to avoid if possible. This is just for
guest console logging. It's definitely not a good idea to add that to
xenconsoled.

Please don't mix this thread with the other on-going discussion about
QEMU logging.

Wei.

> David

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  reply	other threads:[~2016-06-07 10:34 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-06 15:59 [PATCH 0/6] xenconsoled: rotating log file abstration Wei Liu
2016-06-06 15:59 ` [PATCH 1/6] xenconsoled: introduce log file abstraction Wei Liu
2016-07-08 16:50   ` Ian Jackson
2016-06-06 15:59 ` [PATCH 2/6] xenconsoled: switch hypervisor log to use logfile abstraction Wei Liu
2016-07-08 16:58   ` Ian Jackson
2016-06-06 15:59 ` [PATCH 3/6] xenconsoled: switch guest " Wei Liu
2016-07-08 17:01   ` Ian Jackson
2016-06-06 15:59 ` [PATCH 4/6] xenconsoled: delete two now unused functions Wei Liu
2016-07-08 17:01   ` Ian Jackson
2016-06-06 15:59 ` [PATCH 5/6] xenconsoled: options to control log rotation Wei Liu
2016-07-08 17:02   ` Ian Jackson
2016-06-06 15:59 ` [PATCH 6/6] xenconsoled: handle --log-backups 0 in logfile_rollover Wei Liu
2016-07-08 17:03   ` Ian Jackson
2016-06-06 20:40 ` [PATCH 0/6] xenconsoled: rotating log file abstration Doug Goldstein
2016-06-07  8:07   ` Wei Liu
2016-06-07  9:44 ` David Vrabel
2016-06-07  9:55   ` Wei Liu
2016-06-07 10:17     ` David Vrabel
2016-06-07 10:21       ` Wei Liu
2016-06-07 10:29         ` David Vrabel
2016-06-07 10:34           ` Wei Liu [this message]
2016-06-07 10:35             ` David Vrabel
2016-06-07 10:43               ` Wei Liu
2016-07-02 10:24 ` Wei Liu
2016-07-04 17:07   ` Ian Jackson

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