odd problem with distributed erlang system

Jim Larson jim@REDACTED
Thu Mar 27 18:57:52 CET 2003


In message <xs038yv0pwtz.fsf@REDACTED> Jenny Dybedahl writes:
>File locking over NFS is notoriously problematic. If there's any way
>you can avoid having to write to the same file from two different
>servers, do so.

With a *good* NFSv3 server, exclusive file creation can serve as a
locking mechanism.  If you have a server that exploits NVRAM, such
as NetApp filers, the performance isn't even all that bad.  You do
need to have a policy for cleaning up orphaned locks.

Jim



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