Comment 16 for bug 882388

From the profile output (the latter two are pickles), basically the issue is this:

   CallCount    Recursive    Total(ms)   Inline(ms) module:lineno(function)
         234            0     37.0572     37.0572   <method 'executemany' of 'sqlite3.Connection' objects>
         123            0      2.2640      2.2640   <method 'execute' of 'sqlite3.Connection' objects>
         106            0      0.1915      0.1915   <method 'write' of 'file' objects>
           4            0      0.1139      0.1132   <method 'get_latest_revnum' of '_ra.RemoteAccess' objects>
         +48            0      0.0007      0.0002   +bzrlib.plugins.svn.transport:202(update)
           1            0     39.4097      0.0388   <method 'get_log' of '_ra.RemoteAccess' objects>
        +117            0     39.3639      0.0019   +bzrlib.plugins.svn.logwalker:205(__call__)
         +56            0      0.0070      0.0003   +bzrlib.plugins.svn.transport:202(update)