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List:       log4j-dev
Subject:    Re: IO Buffering
From:       Ceki =?iso-8859-1?Q?G=FClc=FC?= <cgu () qos ! ch>
Date:       2001-08-13 15:13:09
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Wolfgang,

I will add a buffer size option. While we are at it, please have a look at:

http://jakarta.apache.org/log4j/docs/contactUs.html

In particular:

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Regards, Ceki

At 16:55 13.08.2001 +0200, Wolfgang Hoschek wrote:
> Thanks, just checked the commit.
> While we are at it, can you please add an option to specify the bufferSize of the \
> BufferedOutputStream. The default buffer size is often fine, but sometimes too \
> small for high throughput apps. Along the lines of
> 
> old:
> if(bufferedIO) {
> fw = new BufferedOutputStream(fw);
> }
> 
> new:
> if(bufferedIO) {
> fw = new BufferedOutputStream(fw, myBufSize);
> }
> 
> Wolfgang.
> 
> > Wolfgang,
> > 
> > Yes, a day or so ago. It's a preliminary commit, in the sense that the code still \
> > needs to be completed and tested. Ceki 
> > At 16:14 13.08.2001 +0200, you wrote:
> > > Has there been any commit related to (optionally) using BufferedOutputStream in \
> > > File|Socket|SyslogAppender? (and I don't mean AsyncAppender)
> > > 
> > > Wolfgang.
> > > 
> > > > Cool. Of course buffering means log4j should be shut down properly when
> > > > exiting the JVM so as to flush the buffer. Here it would be highly
> > > > useful to be able to depend on the 1.2 shutdown hook.
> > > > 
> > > > Anders
> > > > 
> > > > 
> > > > Ceki Gülcü wrote:
> > > > > 
> > > > > Anders,
> > > > > 
> > > > > Do you remember the discussion we had about buffering in FileAppender?
> > > > > We now have a real world example showing that you were right and I was \
> > > > > wrong. See  http://nagoya.apache.org/bugzilla/show_bug.cgi?id=2341
> > > > > 
> > > > > My performance tests were done on my machine with a single user logged on, \
> > > > > doing \ just the tests. In real world situation you have a many processes \
> > > > > accessing the \ disk. And in that situation buffering is all the more \
> > > > > important. Fortunately, this one is not hard to fix. Cheers, Ceki
> 
> 
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--
Ceki Gülcü - http://qos.ch


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