On 07 Jan 2015, at 21:33, Eric Dumazet wrote:
> On Wed, 2015-01-07 at 20:37 +0000, Erik Grinaker wrote:
> I agree. I have contacted Amazon about this, but am not too hopeful
>> for a quick fix; they have been promising SACK-support on their
>> loadbalancers since 2006, for ex
On 07 Jan 2015, at 15:58, Eric Dumazet wrote:
> On Wed, 2015-01-07 at 13:31 +0000, Erik Grinaker wrote:
>> On 06 Jan 2015, at 22:00, Yuchung Cheng wrote:
>>> On Tue, Jan 6, 2015 at 1:04 PM, Erik Grinaker wrote:
>>>>
>>>>> On 06 Jan 2015, at 20:26,
On 06 Jan 2015, at 22:00, Yuchung Cheng wrote:
> On Tue, Jan 6, 2015 at 1:04 PM, Erik Grinaker wrote:
>>
>>> On 06 Jan 2015, at 20:26, Erik Grinaker wrote:
>> This still doesn’t explain why it works with older kernels, but not newer
>> ones. I’m thinking it’
On 07 Jan 2015, at 01:23, Lukas Tribus wrote:
>> This still doesn’t explain why it works with older kernels, but not newer
>> ones.
>
> Can you try the different 3.12-rc kernels? The information that this was
> introduced in 3.12-rc1 as opposed to a specific -rc>1 releases may help
> the guys he
> On 06 Jan 2015, at 20:26, Erik Grinaker wrote:
>
>>
>> On 06 Jan 2015, at 20:13, Eric Dumazet wrote:
>>
>> On Tue, 2015-01-06 at 19:42 +, Erik Grinaker wrote:
>>
>>> The transfer on the functioning Netherlands server does indeed us
> On 06 Jan 2015, at 20:13, Eric Dumazet wrote:
>
> On Tue, 2015-01-06 at 19:42 +0000, Erik Grinaker wrote:
>
>> The transfer on the functioning Netherlands server does indeed use SACKs,
>> while the Norway servers do not.
>>
>> For what it’s worth, I
On 06 Jan 2015, at 19:16, Rick Jones wrote:
>
>>> A packet dump [1] shows repeated ACK retransmits for some of the
>> TCP does not retransmit ACK ... do you mean DUPACKs sent by the receiver?
>>
>> I am trying to understand the problem. Could you confirm that it's the
>> HTTP responses sent
> On 06 Jan 2015, at 19:18, Yuchung Cheng wrote:
>
> On Tue, Jan 6, 2015 at 11:01 AM, Erik Grinaker wrote:
>>
>>> On 06 Jan 2015, at 18:33, Yuchung Cheng wrote:
>>>
>>> On Tue, Jan 6, 2015 at 10:17 AM, Erik Grinaker wrote:
>>>>
>>
> On 06 Jan 2015, at 18:33, Yuchung Cheng wrote:
>
> On Tue, Jan 6, 2015 at 10:17 AM, Erik Grinaker wrote:
>>
>>> On 06 Jan 2015, at 17:20, Eric Dumazet wrote:
>>> On Tue, 2015-01-06 at 16:11 +, Erik Grinaker wrote:
>>>>> On 06 Jan 2015, a
> On 06 Jan 2015, at 17:20, Eric Dumazet wrote:
> On Tue, 2015-01-06 at 16:11 +, Erik Grinaker wrote:
>>> On 06 Jan 2015, at 16:04, Eric Dumazet wrote:
>>> On Tue, 2015-01-06 at 15:14 +, Erik Grinaker wrote:
>>>> (CCing Yuchung, as his n
> On 06 Jan 2015, at 16:04, Eric Dumazet wrote:
> On Tue, 2015-01-06 at 15:14 +, Erik Grinaker wrote:
>> (CCing Yuchung, as his name comes up in the relevant commits)
>>
>> After upgrading from Ubuntu 12.04.5 to 14.04.1 we have begun seeing
>> intermittent
(CCing Yuchung, as his name comes up in the relevant commits)
After upgrading from Ubuntu 12.04.5 to 14.04.1 we have begun seeing
intermittent TCP connection hangs for HTTP image requests against Amazon S3.
3-5% of requests will suddenly stall in the middle of the transfer before
timing out. We
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