[Tools-discuss] Re: Agenda Data Loading Slowly

[Eric Rescorla <[e-mail]>]

On Mon, Oct 13, 2025 at 9:41 AM Robert Sparks <[e-mail]> wrote:

> Yes, the agenda is cached, and when the cache expires it is recalculated -
> that recalculation is very complicated (as it returns, for instance, the
> current versions of each (agenda/slides/drafts) for each group).
>
Can you say more about how the caching works here? Is it just a simple
time-based cache or something else?

We could (and will) refactor the page to distribute the the work that's
> currently done in that one massive json load. We can also move keeping a
> computed version published so the browser never sees the time the
> computation takes, but that's not going to happen before IETF 124.
>
Is there a timeline for this work?

-Ekr


> RjS
> On 10/13/25 10:59 AM, Eric Rescorla wrote:
>
>
>
> On Mon, Oct 13, 2025 at 8:54 AM Bob Hinden <[e-mail]> wrote:
>
>> Ekr,
>>
>> For what it’s worth, I just went to both links, only took a few seconds
>> for me.
>>
>
> Yes, presumably it's being cached somewhere. However, it's not at all
> uncommon
> for this to be slow, and I've seen the then-current agenda take a long
> time on
> a number of occasions, so I do think it's worth addressing.
>
> -Ekr
>
>
>> Bob
>>
>>
>> On Oct 13, 2025, at 8:49 AM, Eric Rescorla <[e-mail]> wrote:
>>
>> Hi folks,
>>
>> I just went to load the agenda for IETF 123 (
>> https://datatracker.ietf.org/meeting/123/agenda) for <reasons>.
>>
>> It took 17s for the datatracker to send me the underlying JSON file for
>> the agenda (https://datatracker.ietf.org/api/meeting/123/agenda-data)
>> It seems like it's faster on repeated load, so presumably there is some
>> caching going on, but 17s still seems pretty excessive.
>>
>> -Ekr
>>
>>
>>
>>
>> <image.png>
>>
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