[Gluster-devel] [RFC] Improved distribution
Kaleb Keithley
kkeithle at redhat.com
Tue Apr 17 15:14:21 UTC 2012
On Tue, 17 Apr 2012, Jeff Darcy wrote:
>On Tue, 17 Apr 2012 01:57:35 +0200
>Edward Shishkin <edward at redhat.com> wrote:
>
>> Comment 2. There is a disadvantage: in this approach all files
>>
>> /foo
>> /dir1/foo
>> /dir1/dir2/foo
>> ...
>>
>> will be accumulated on the same brick. However it is possible to
>> "salt" a short file names with gfid (or another id) of respective
>> directory before hashing, to avoid possible attacks.
>
>That's the easy problem.
>
ISTR Avati and/or Vijay telling us — when we were in BLR — that the hash of the filename is salted with the hash of the pathname up to, but not including the filename.
Am I misremembering that? (Of course I haven't looked at the code.)
——
Kaleb
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