Alin,
Lager is flexible like that. If you notice the error counts incrementing
then you can do something like the following at the Riak console.
{ok, Trace} = lager:trace_file("<path>/failing-postcommits", [{module,
riak_kv_put_fsm}, {function, decode_postcommit}], debug).
That should send any debug msgs originating from that module + function to
the <path>/failing-postcommits file. To stop the trace run the following:
lager:stop_trace(Trace).
-Ryan
On Sat, Feb 4, 2012 at 1:04 AM, Alin Popa <[email protected]> wrote:
> Ok, that makes sense; but, what if another approach is picked up, like
> being able to tune this specific logging separately ? Or have the lager
> being able to log messages on different files per module/function - that
> way the logging flood would be isolated only to this...
> Sorry for being so insistent regarding this matter, but it seems that post
> commits are a pretty neat feature which we're not able to use because of
> this exception/error handling inconvenient.
>
> Thanks,
> Alin
>
>
>
> On 4 Feb 2012, at 00:12, Andrew Thompson <[email protected]> wrote:
>
> > On Fri, Feb 03, 2012 at 11:44:49PM +0200, Alin Popa wrote:
> >> Ryan,
> >>
> >> I would say that having those informations into the log files,
> especially
> >> the reason why it failed, is very useful, so, would you say it would be
> >> helpful if I'm going to open a pull request which will increase the log
> >> level usage from debug to error for pre/post commit hooks execution
> errors
> >> (as it seems to be pretty straight forward) ?
> >>
> > The reason we put it at the debug level is to avoid logging flood when
> > you break a postcommit hook in production and all your postcommits start
> > to fail. If you're doing thousands of writes per second, that would
> > obviously be bad.
> >
> > Andrew
> >
> > _______________________________________________
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> > [email protected]
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>
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