On Wed, Oct 20, 2004 at 04:34:29PM +0100, Julian Foad wrote:
> >~/src/subversion/doc/book> svn blame -r11155:11474 book/ch05.xml | tail
> >+407 | head -5
> > - - <para>FSFS has different performance
> > characteristics too.
> > 11472 mbk When committing a directory with a huge number
> > of files, FSFS
> > - - uses a O(N) algorithm to append entries, while
> > Berkeley DB
> > - - uses an O(N^2) algorithm to rewrite the whole
> > directory. On
> > - - the other hand, FSFS writes the latest version
> > of a file as
> >svn: Can't write to stream: Broken pipe
> >~/src/subversion/doc/book> svn blame -r11154:11474 book/ch05.xml | tail
> >+407 | head -5
> > - - <para>FSFS has different performance
> > characteristics too.
> > 11472 mbk When committing a directory with a huge number
> > of files, FSFS
> > 11472 mbk uses a O(N) algorithm to append entries, while
> > Berkeley DB
> > 11154 sunny256 uses an O(N^2) algorithm to rewrite the whole
> > directory. On
> > - - the other hand, FSFS writes the latest version
> > of a file as
> >svn: Can't write to stream: Broken pipe
>
> The first "blame" session above is correct. The second is correct
> except where it attributes a second line to "mbk" in r11472. That line
> was not changed then; only in r11056. In r11472, only one line was
> changed ("When committing...").
>
I'll look into this tonight.
--ben
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Received on Wed Oct 20 19:13:50 2004