[Samba] TCP_NODELAY

Ryan Novosielski novosirj at umdnj.edu
Mon Nov 15 20:55:06 GMT 2004


Any comments on this one? Shall I submit a bug?

---- _  _ _  _ ___  _  _  _
|Y#| |  | |\/| |  \ |\ |  |  | Ryan Novosielski - User Support Spec. III
|$&| |__| |  | |__/ | \| _|  | novosirj at umdnj.edu - 973/972.0922 (2-0922)
\__/ Univ. of Med. and Dent. | IST/ACS - NJMS Medical Science Bldg - C630

On Tue, 9 Nov 2004, Ryan Novosielski wrote:

> Well... I see what happened.
>
> I went digging and see that the problem (relating to the duplicate definition 
> of TCP_NODELAY and TCP_MAXSEG) was "fixed" as a result of bug 1065. However, 
> though the fix (changes to includes.h, one example being the section starting 
> at line 312, another starting at line 371, and the last starting at 399) 
> looks sane to me, there appears to be a problem with it. TCP_NODELAY does not 
> get defined at all in my setup. I suspect the same is true of TCP_MAXSEG, but 
> I don't know what that's used for, if anything. It looks like even though it 
> is supposed to be getting defined 2x (and that is the reason for all of the 
> #undef's), it seems to be getting #undef'd 2x also, instead of just once and 
> then redefined.
>
> Since TCP_NODELAY is reported to be a performance enhancer, I certainly don't 
> want to go without it (or at least, I don't /think/ I do).
>
> ---- _  _ _  _ ___  _  _  _
> |Y#| |  | |\/| |  \ |\ |  |  | Ryan Novosielski - User Support Spec. III
> |$&| |__| |  | |__/ | \| _|  | novosirj at umdnj.edu - 973/972.0922 (2-0922)
> \__/ Univ. of Med. and Dent. | IST/ACS - NJMS Medical Science Bldg - C630
>
> On Tue, 9 Nov 2004, Gerald (Jerry) Carter wrote:
>
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>> Ryan Novosielski wrote:
>> | I recently downloaded and installed v3.0.8 and installed it on HP-UX
>> | 11.11. Thankfully, all of the compile problems I reported in 3.0.2 are
>> | now gone (not sure why no one ever acknowledged my bug, but whatever).
>> 
>> That was my fault.  I dropped the ball.  Someone else picked
>> up some patches for HP-UX.
>> 
>> | However, now my system is complaining that TCP_NODELAY is not a valid
>> | option. I did not turn it off during the compile, don't see it listed as
>> | an option, and worse than that, it is a default option in smb.conf. Can
>> | anyone give me a clue as to what might have happened?
>> 
>> it's one of the default 'socket potions' that gets set.
>> Just override this in smb.conf if its not working for you.
>> And if you come up with a good set of defaults for HP-UX,
>> let me know and I'll try not to forgot about you this time.
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> cheers, jerry
>> - ---------------------------------------------------------------------
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