[Dovecot] Various uidlist and index errors with 1.1 on NFS

Adam McDougall mcdouga9 at egr.msu.edu
Sun Nov 11 02:51:36 EET 2007


On Sun, Nov 11, 2007 at 02:34:33AM +0200, Timo Sirainen wrote:

  I'm beginning to understand the problem. Or at least one of them. :)
  
  Dovecot is currently flushing attribute cache for files it wants to
  stat/open. But that's not enough. It also has to flush attribute cache
  for the directory, or it might stat/open a file that has already been
  unlinked (but which still has links somewhere in the filesystem so that
  it doesn't fail with ESTALE).
  
  dotlock_use_excl=yes seems to help somewhat with this problem for now.
  It also gives better performance.
  
I'm assuming that only helps if I use dotlock locking, right?  I've left
it at the default locking method so far except for a brief period a few
nights ago, when I tried dotlock but it seemed no better (although I 
neglected to try dotlock_use_excl).


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