[Samba] Samba 3.3.4 very slow file access times
Jeremy Allison
jra at samba.org
Wed Oct 21 18:10:45 MDT 2009
On Wed, Oct 21, 2009 at 11:28:49AM -0700, John Goubeaux wrote:
> Can anyone shed any light ( or offer dome diagnosing tips) on why I am
> seeing a considerable time delay in opening and writing back to excel
> files on a Samba 3.3.4 build where as the same file on an earlier build
> (2.2.8.a) does not exhibit the same latency ??? - 11 seconds as
> opposed to 3 seconds. The problem does not seem to be as pronounced
> with other file types though it is still slower.
>
> This problem has been plaguing me since I upgraded samba to a new host
> and went production on it and NOW I am receiving a barrage of
> complaints from admin staff with the "why did you break it" ? underscore
> !!
>
> At this point I have ruled out the obvious. Hosts running the builds are
> on same network, storage is faster on the new build, same ver of excel,
> same file (7mb) accessed from same machine. Newer build is running on
> substantially faster hardware, and storage BUT is authing against an
> ldap backend as opposed to /etc/passwd
Changed version of the kernel ? You might want to get debug level
10 logs from the old and new versions and compare where things
start being different.
Jeremy
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