I don't really care much but it could still be left as a config option.

Anders

Ceki Gülcü wrote:
> 
> There can be many appenders attached to an AsyncAppender and their layouts may 
>change dynamically. Trying to optimize this is imho pushing it too far. :-) Cheers, 
>Ceki
> 
> At 12:21 15.06.2001 -0400, you wrote:
> >Might be worthwhile making it optional whether to fill in thread name
> >with AsyncAppender as it's not always needed. Or else, I suppose, it
> >could be clever and figure it out itself from the configured layout.
> >
> >Anders
> >
> >
> >Ceki Gülcü wrote:
> >>
> >> Jim,
> >>
> >> That's true but in AsyncAppender:
> >>
> >> public
> >> void append(LoggingEvent event) {
> >>   // Set the NDC and thread name for the calling thread as these
> >>   // LoggingEvent fields were not set at event creation time.
> >>   event.getNDC();
> >>   event.getThreadName();
> >>   if(locationInfo) {
> >>     event.getLocationInformation();
> >>   }
> >>   ...
> >>  }
> >>
> >> Fetching the current thread takes a few milliseconds compared to a mehtod call 
>which takes a few dozen nanoseconds. The idea is to avoid the cost of 
>Thread.currentThread if it is not required. Hence the lazy fill in of the thread name 
>field. In AsyncAppender we can no longer rely on being in the same thread so it gets 
>filled in at the start of AsyncAppender.doAppend. Hope this clarifies the issue. Ceki
> >>
> >> At 19:31 14.06.2001 -0500, Jim Moore wrote:
> >> >As was just brought out on the Users list, the thread name is part of the
> >> >LoggingEvent, but the current implementation is:
> >> >  public String getThreadName() {
> >> >    if(threadName == null)
> >> >      threadName = (Thread.currentThread()).getName();
> >> >    return threadName;
> >> >  }
> >> >so if it's not asked for that information until it's in an AsyncAppender (or
> >> >having been serialized to a server) then it will give the wrong name.
> >> >
> >> >Any reason for threadName to not get set at LoggingEvent creation?
> >> >
> >> >-Jim Moore
> >> >
> >> >---------------------------------------------------------------------
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> >>
> >> --
> >> Ceki Gülcü
> >>
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> --
> Ceki Gülcü
> 
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--
Anders Kristensen

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