[SAC] [OSGeo] #2128: Login required for svn checkout of GRASS GIS

[OSGeo]

#2128: Login required for svn checkout of GRASS GIS
-------------------------------------+-------------------------------------
 Reporter:  wenzeslaus               |       Owner:  martin
     Type:  defect                   |      Status:  assigned
 Priority:  blocker                  |   Milestone:  Sysadmin Contract
                                     |  2018-I
Component:  Systems Admin            |  Resolution:
 Keywords:  login, subversion, svn,  |
  credentials, grass                 |
-------------------------------------+-------------------------------------

Comment (by martin):

 To a certain degree this error occurs randomly (!)\\
 After transferring a varying number of files, Apache kicks in claiming
 "client denied by server configuration".

 Actually, Apache-DAV-SVN is authenticating access to every single file in
 the SVN-repo individually, causing dozends of auth requests per second
 just for a single checkout. Now, since checkout over my slow 2 Mbit/s line
 at home works flawlessly, I'd suspect an overflow of authentication
 requests being the root cause.

 The Apache "mod_ldap" connector allows caching LDAP requests - in fact it
 does by default, but may require some tuning. I'll add some custom setting
 and will re-check later today or tomorrow if that makes a difference. If
 it does, then I'd also suspect the overall SVN performance to improve.

-- 
Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2128#comment:5>
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