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From Jeremy Payne <jp557...@gmail.com>
Subject Re: Cache sharing between siblings
Date Wed, 17 Jan 2018 19:42:37 GMT
btw... i'll add a lesson learned post to my wiki..
give me a couple days to clean up lab details.. :-)




On Wed, Jan 17, 2018 at 1:36 PM, Jeremy Payne <jp557198@gmail.com> wrote:
> I've been thinking about this, but you can use current parent
> functionality to perform local node(edge) object lookups.
> It's a hack and requires careful configuration of your remap and
> parent configuration so to not end up in a cache loop
> or end up storing duplicate copies.. but it is a doable workaround in
> the absence of some type of clustering(CARP, etc).
>
>
>
>
>
> On Thu, Nov 23, 2017 at 10:38 AM, Alan Carroll <solidwallofcode@oath.com> wrote:
>> Sorry for the delay, and thanks Dave for answering. This is a feature under
>> active development. Oath internally uses a plugin that implements CARP for
>> sharing across a pod. We are trying to open source it but it's currently too
>> flaky to support externally. We are working on improving it to the point
>> where it can be open sourced without embarrassment. In the longer run,
>> however, there is a "Layer 7 Routing" project (also known as "Next Hop")
>> which you can track here -
>> https://github.com/apache/trafficserver/projects/7
>>
>> On Thu, Nov 23, 2017 at 9:53 AM, David Carlin <dcarlin@oath.com> wrote:
>>>
>>> ATS doesn't have this functionality currently.  I know a couple companies
>>> are working on it, but nothing to contribute to open source yet as far as I
>>> know.
>>>
>>> David
>>>
>>> On Thu, Nov 23, 2017 at 9:15 AM, Veiko Kukk <veiko.kukk@gmail.com> wrote:
>>>>
>>>> Hi again,
>>>>
>>>> Are there any better lists/forums to ask such questions?
>>>>
>>>> Regards,
>>>> Veiko
>>>>
>>>>
>>>> 2017-11-15 11:07 GMT+02:00 Veiko Kukk <veiko.kukk@gmail.com>:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I'm new to ATS, so far we've been using Squid, but due to it's
>>>>> instability are moving away.
>>>>>
>>>>> I'm interested in avoiding regional cache duplication in CDN system.
>>>>> Currently, we have several Squid servers working as siblings and only
>>>>> pulling from origin if none of them has the object in cache, if sibling
has
>>>>> object in cache, it's pulled from sibling but not stored locally. Only
new
>>>>> content fetched from origin is store locally. Sibling lookup is done
via ICP
>>>>> and has been working quite well so far.
>>>>>
>>>>> Is similar setup possible with ATS?
>>>>> I found no information in documentation how to configure siblings (only
>>>>> parent configuration is documented). Could you point me to right direction?
>>>>>
>>>>> Regards,
>>>>> Veiko
>>>>>
>>>>
>>>
>>

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