On 14.08.2014 06:20, Ian Booth wrote: > Just to back up Dave's arguments - all sys admins I know would be a big -1 on > Juju doing it's own log rolling. It's a recipe for lost log files, missing > data > etc. It's a mixing of responsibilities that should be handled separately. I am unsure how juju rotating its own logs can lead to loss of data. Any input on this would be appreciated. > > Just on the volume point Dave raised - we do log a lot but that's also an > orthogonal issue. Even if we logged less we'd still need a rolling mechanism. > > On 14/08/14 13:13, David Cheney wrote: >> Ian asked me to post my thoughts here. >> >> I am not in favour of applications rolling their own logs, I believe >> that applications should not know anything about their log output, >> they should just dump it all to stdout and another process should take >> care of shuttling the data, logging it, culling it, whatever. >> >> This is summarised here, http://12factor.net/logs >> >> I think our current system with rsyslog is working fine and there is >> no reason to remove it. >> >> The problems with all-machines.log being to large is independent of >> log rolling or any of these other arguments. We simply log too much. >> There would be no request for log rolling it all-machines.log >> contained only useful data. >> >> Dave >> >> On Sat, Aug 9, 2014 at 2:58 AM, Nate Finch <nate.fi...@canonical.com> wrote: >>> So, rsyslog rotation works fine on Linux, but we can't do that on Windows. >>> If we have to do something different for Windows, I'd rather just do one >>> thing which is cross platform compatible for all our OSes, and not have to >>> support a different configuration for each OS. Doing it all in-application >>> also insulates us from external dependencies... if some future or past >>> Ubuntu series (or CentOS) has a different version of rsyslog, it could >>> behave differently / require a different configuration, etc. >>> >>> >>> >>> On Fri, Aug 8, 2014 at 12:40 PM, David Britton <david.brit...@canonical.com> >>> wrote: >>>> On Fri, Aug 08, 2014 at 12:03:21PM -0400, Nate Finch wrote: >>>> [...] >>>>> remote syslog and to the local file log, we wouldn't need to worry about >>>>> log rotation of the local log screwing up what gets sent to the remote >>>> Do the standard rsyslog log rotation mechanisms not function well? >>>> >>>> On Windows, what about the event log (which has remote >>>> viewing/aggregation capabilities built in)? >>>> >>>> -- >>>> David Britton <david.brit...@canonical.com> >>> >>> >>> -- >>> Juju-dev mailing list >>> Juju-dev@lists.ubuntu.com >>> Modify settings or unsubscribe at: >>> https://lists.ubuntu.com/mailman/listinfo/juju-dev >>>
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