[Samba] Samba 4 is half as fast as Samba 3?!
Oliver Lehmann
lehmann at ans-netz.de
Thu Apr 17 02:41:47 MDT 2014
Hi Volker,
Volker Lendecke <Volker.Lendecke at sernet.de> wrote:
> On Thu, Apr 17, 2014 at 02:03:37AM +0200, Oliver Lehmann wrote:
>>
>> The simple question is - why do I reach transfer rates of ~110MB/Sec with
>> Samba 3 and only ~45 MB/Sec with Samba 4? With such a mega-drop in
>> performance Samba 4 seems not to be an alternative for me? :( :(
>
> What is your test case? Can you post more details? A few
> seconds worth of tcpdump might show a bit more.
The testcase is just copying an 18GB file from my Windows 7 C:\ Drive
to the Samba share.
tcpdump for Samba 4:
http://pastebin.com/QpaFG8LD
tcpdump for Samba 3:
http://pastebin.com/cYNk9ZnW
Is a more verbose tcpump needed?
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