memcached losing connections

Brian Aker brian at tangent.org
Wed Jan 23 17:34:33 UTC 2008


Hi!

I'm not sure what Sean was using when we were testing. I suspect 6.2  
still has the issue.

Interestingly enough, 10.4 seems to be fine for OSX, but 10.5 has  
issues.

Cheers,
	-Brian

On Jan 22, 2008, at 7:43 PM, Eric wrote:

> Brian,
>
> Does that still hold true on FreeBSD 6.2 (and up)? I don't think I've
> had any major systemic issues running on localhost on 6.2, but I have
> to admit I haven't checked entirely too closely.
>
> On Jan 22, 2008 9:55 PM, Brian Aker <brian at tangent.org> wrote:
>> Hi!
>>
>> I suspect that this is the problem I and Sean looked at while at the
>> hackathon. FreeBSD's (and OSX) network stack do not properly flush on
>> close() localhost.
>>
>> Cheers,
>>        -Brian
>>
>>
>> On Jan 22, 2008, at 5:53 PM, Kevin Dalley wrote:
>>
>>> Yes, this is against localhost.
>>>
>>> When the tests are run against a different machine (though under
>>> Linux),
>>> the problem goes away.
>>>
>>>
>>> On Tue, 2008-01-22 at 15:43 -0800, Brian Aker wrote:
>>>> Hi!
>>>>
>>>> On Jan 22, 2008, at 9:51 AM, Kevin Dalley wrote:
>>>>
>>>>> client.  The libmemcached test case "./testapp generate_nonblock"
>>>>> reliably shows this problem.  The client is stuck in a poll,  
>>>>> waiting
>>>>> for
>>>>> the ability to write on a socket.
>>>>
>>>>
>>>> Is this against localhost?
>>>>
>>>> Cheers,
>>>>     -Brian
>>>>
>>>> --
>>>> _______________________________________________________
>>>> Brian "Krow" Aker, brian at tangent.org
>>>> Seattle, Washington
>>>> http://krow.net/                     <-- Me
>>>> http://tangent.org/                <-- Software
>>>> http://exploitseattle.com/    <-- Fun
>>>> _______________________________________________________
>>>> You can't grep a dead tree.
>>>>
>>
>> --
>> _______________________________________________________
>> Brian "Krow" Aker, brian at tangent.org
>> Seattle, Washington
>> http://krow.net/                     <-- Me
>> http://tangent.org/                <-- Software
>> http://exploitseattle.com/    <-- Fun
>> _______________________________________________________
>> You can't grep a dead tree.
>>
>>
>>

--
_______________________________________________________
Brian "Krow" Aker, brian at tangent.org
Seattle, Washington
http://krow.net/                     <-- Me
http://tangent.org/                <-- Software
http://exploitseattle.com/    <-- Fun
_______________________________________________________
You can't grep a dead tree.




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