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From "Jeffrey W. Baker" <jwba...@acm.org>
Subject Re: ANNOUNCE: BCLF - Binary Common Logging format
Date Mon, 15 May 2000 14:10:31 GMT
On Mon, 15 May 2000, Bill Stoddard wrote:

> Does this have to be GPL'ed? Bleh...
> 
> Bill

I remember that the author specifically stated his intention to relicense
the code in an Apache-compatible way.  Right now that particular web page
has disappeared from sourceforge, but it was there a few days ago.  

-jwb

> 
> 
> > Hi all,
> > 
> > I've released some core code for a Binary ECLF equivelent.  It is
> > release .1, first release.
> > 
> > The advantages of the BCLF format are:
> > 
> > - compact; uses far less space per entry than ECLF
> > - machine readable; doens't require parsing to read logfile
> > - platform independent; all numerics are network byte order
> > - fast; since it's a binary file, and uses readv/writev, it's fast
> > - streamable; you could potentially stream the data to a socket, it's writeonly
> > 
> > I have seen a write rate of as many as 270,000 entries per second on a
> > 466(66) Celeron, with a read rate of 80,000 (malloc) and 97,000 (static)
> > entries a second.
> > 
> > The reason the read rate is lower is because there are 2 reads vs the
> > single write during create.
> > 
> > I designed it as a format to greatly improve logfile data parsing and handling.
> > 
> > You can check out the project at:
> > 
> > http://sourceforge.net/project/?group_id=5561
> > 
> > The download is there, it consists of a library of functions and a few test
> > programs.
> > 
> > There is no accompanying documentation, as the source is well commented.
> > 
> > --Perry
> > 
> > -- 
> > Perry Harrington       Linux rules all OSes.    APSoft      ()
> > email: perry@apsoft.com Think Blue. /\
> 
> 


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