bzr-svn/bzr-git, Linux and NFS

Martin Pool mbp at
Mon Sep 14 23:01:56 BST 2009

2009/9/14 Russel Winder <russel.winder at>:
> The background to this is that bzr-svn and bzr-git both make use of TDB.
> TDB makes use of mmap and it appears to be a known fact that Linux has
> extremely serious performance problems with mmap over NFS mounted
> filestores.

How about passing TDB_NOMMAP when opening it then?  (That might
require tweaking the Python bindings.)

Martin <>

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