[Xapian-tickets] [Xapian] #698: invalid cross-device link (NFS?)

[Xapian]

#698: invalid cross-device link (NFS?)
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        Reporter:  srepmub  |      Owner:  olly
            Type:  defect   |     Status:  new
        Priority:  normal   |  Milestone:
       Component:  Other    |    Version:
        Severity:  normal   |   Keywords:
      Blocked By:           |   Blocking:
Operating System:  Linux    |
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 hi,

 we've recently switched to using xapian for version 7.2 of our groupware
 solution called zarafa (https://www.zarafa.com/), and are very happy with
 it so far!

 we've run into a weird error recently though, which at first glance looks
 like a bug in xapian when used with NFS. we don't have an strace yet, but
 we do have one traceback:

   File "/usr/lib/python2.7/dist-packages/zarafa_search/__init__.py", line
 159, in main
     plugin.commit()
   File "/usr/lib/python2.7/dist-packages/zarafa_search/plugin_xapian.py",
 line 115, in
 commit
     db.delete_document('XK:'+doc['sourcekey'].lower())
   File "/usr/lib/python2.7/contextlib.py", line 154, in __exit__
     self.thing.close()
 DatabaseError: Couldn't update base file
 /srv/zarafa/index/1909D712B7DF49A0B1253DC64DD954CF-
 7B15C461919C4934A43DFC2D7479B7B8/spelling.baseB:
 Invalid cross-device link

 the customer has recently moved their xapian databases to NFS, and is
 experiencing this issue now and then.

 according to someone here who is more into file systems, xapian should
 perhaps check for this error, and if it occurs retry the respective
 operation in a safer way..?

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Ticket URL: <http://trac.xapian.org/ticket/698>
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