ru.unix.bsd

 
 - RU.UNIX.BSD ------------------------------------------------------------------
 From : Slawa Olhovchenkov                   2:5030/500     24 Mar 2006  23:48:12
 To : All
 Subject : Вести с полей
 -------------------------------------------------------------------------------- 
 

 
 kris        2006-03-23 22:58:42 UTC
 
   FreeBSD src repository
 
   Modified files:
     sys/nfsclient        nfs_socket.c
   Log:
   Fix a bug in the NFS/TCP retransmission path.
 
   The bug was that earlier, if a request was retransmitted,
   we would do subsequent retransmits every 10 msecs.
 
   This can cause data corruption under moderate loads by reordering
   operations as seen by the client NFS attribute cache, and on the
   server side when the retransmission occurs after the original request
   has left the duplicate cache, since the operation will be committed
   for a second time.
 
   Further work on retransmission handling is needed (e.g. they are still
   being done sent too often since they are scaled by HZ, and the size of
   the dup cache is too small and easily overwhelmed on busy servers).
 
   Submitted by:   mohans
 ... Купите себе селедку и морочьте ей голову!
 --- GoldED+/BSD 1.1.5
  * Origin:  (2:5030/500)
 
 

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