some profiling data for 512 directories test case, run time on stripe
drive, duration 42sec:
time (sec):
16.8 _rename
8.5 __open
5.69 chmod
.99 _poll
.41 _fdsync
rename comes from:
svn_wc__close_adm_file
svn_wc__entries_write
recurslivly_tweak_entries
open comes from:
open_adm_file
svn_wc__open_adm_file
svn_wc__entries_write
recurslivly_tweak_entries
chmod comes from:
apr_file_perms_set
apr_file_attrs_set
60% apr_io_set_file_read_only
40% apr_io_set_file_read_write
close_adm_file
svn_wc__close_adm_file
svn_wc__entries_write
recurslivly_tweak_entries
--- Philip Martin <philip@codematters.co.uk> wrote:
> > Subversion doesn't lock files, it locks directories. Subversion
> > doesn't have an entries file for each file, it has one per
> > directory.
> > So a difference between files and directories is inevitable
> unless
> > someone implements a system that stores working copy metadata in
> a
> > single blob or database. Don't assume that such a system would
> be
> > faster overall :)
> >
> > --
> > Philip Martin
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Received on Fri Feb 7 17:13:39 2003