Cloudflare Developers•9mo ago

that's so cool, those are the colos your cron workers ran from in the past 24h?

AAvi that's so cool, those are the colos your cron workers ran from in the past 24h?

Chaika•4/28/25, 8:53 PM

indeed. For a specific account/cron picks a location and usually sticks with it for a few hours, barring any incidents

AviOP•4/28/25, 8:53 PM

very cool

AviOP•4/28/25, 8:53 PM

well... none of those countries seem to be on the openai banned list

AviOP•4/28/25, 8:54 PM

the countries that are blocked by OpenAI but have colos seem to be:

Russia
Saudi Arabia
Hong Kong
China (mainland)

AviOP•4/28/25, 8:55 PM

we're debating solving this problem of the request geolocation by shifting the work to run out-of-band from the inital request, via a cron job

Chaika•4/28/25, 8:56 PM

HKG is going to be the biggest one there and one that supports Durable Objects
CF has Russia stuff but not too much I don't think. China for Cloudflare is all locked behind Enterprise

AviOP•4/28/25, 8:56 PM

well it's just a scheduled worker so i dont think it'd need to support DO

AviOP•4/28/25, 8:56 PM

good to know china is behind enterprise

AAvi well it's just a scheduled worker so i dont think it'd need to support DO

Chaika•4/28/25, 8:57 PM

true but supporting DOs is an indictator of sign/nearby locations (in HKG's case case, CF has ~9 or so colocations making up the entire PoP)

AviOP•4/28/25, 8:58 PM

but why would that impact the likliehood of a cron job getting scheduled to run there?

Chaika•4/28/25, 8:58 PM

only a few locations run cron jobs

CChaika only a few locations run cron jobs

AviOP•4/28/25, 8:59 PM

i see, and it sounds like, so far, it's a safe bet that those WONT be in russia/china/saudi arabia/HK?

AviOP•4/28/25, 8:59 PM

riskiest one being HK, it sounds like

AAvi i see, and it sounds like, so far, it's a safe bet that those WONT be in russia/...

Chaika•4/28/25, 9:01 PM

Pretty much. I've been collecting cron data into this system from 2025-03-17 01:44:20, and I've only seen

    ┌─colo─┬─count─┐
 1. │ EWR  │ 26965 │
 2. │ LHR  │ 38506 │
 3. │ ZRH  │ 38292 │
 4. │ IAH  │ 25177 │
 5. │ KIX  │ 39401 │
 6. │ MEL  │ 35336 │
 7. │ SCL  │ 22145 │
 8. │ WAW  │ 33659 │
 9. │ SLC  │ 28135 │
10. │ TPE  │ 33274 │
11. │ NRT  │ 34217 │
12. │ SIN  │ 41770 │
13. │ MAD  │ 40630 │
14. │ DFW  │ 25319 │
15. │ DTW  │ 30731 │
    └──────┴───────┘

    ┌─colo─┬─count─┐
 1. │ EWR  │ 26965 │
 2. │ LHR  │ 38506 │
 3. │ ZRH  │ 38292 │
 4. │ IAH  │ 25177 │
 5. │ KIX  │ 39401 │
 6. │ MEL  │ 35336 │
 7. │ SCL  │ 22145 │
 8. │ WAW  │ 33659 │
 9. │ SLC  │ 28135 │
10. │ TPE  │ 33274 │
11. │ NRT  │ 34217 │
12. │ SIN  │ 41770 │
13. │ MAD  │ 40630 │
14. │ DFW  │ 25319 │
15. │ DTW  │ 30731 │
    └──────┴───────┘

AviOP•4/28/25, 9:01 PM

amazing

AviOP•4/28/25, 9:01 PM

that's unbelievably helpful

AAvi amazing

Chaika•4/28/25, 9:03 PM

The thing that's a bit iffy is that it's never guaranteed, Cloudflare should start scheduling them wherever

Chaika•4/28/25, 9:03 PM

btw is Taiwan/TPE banned? It's part of those

Chaika•4/28/25, 9:04 PM

green cron execution is a shorter list

   ┌─colo─┬─count─┐
1. │ LHR  │  9680 │
2. │ MAD  │  8311 │
3. │ SLC  │  7795 │
4. │ SIN  │  7770 │
5. │ DTW  │  7602 │
6. │ IAH  │  7601 │
7. │ MEL  │  6692 │
8. │ TPE  │  6268 │
   └──────┴───────┘

   ┌─colo─┬─count─┐
1. │ LHR  │  9680 │
2. │ MAD  │  8311 │
3. │ SLC  │  7795 │
4. │ SIN  │  7770 │
5. │ DTW  │  7602 │
6. │ IAH  │  7601 │
7. │ MEL  │  6692 │
8. │ TPE  │  6268 │
   └──────┴───────┘

AviOP•4/28/25, 9:05 PM

Taiwan is not blocked by OpenAI

AviOP•4/28/25, 9:05 PM

green cron execution is a great trick too

AviOP•4/28/25, 9:05 PM

probably a good bet those countries aren't likely to be green any time soon...

AAvi probably a good bet those countries aren't likely to be green any time soon...

Chaika•4/28/25, 9:07 PM

Durable Object Alarms with eu/fedramp juridictions are another option as well, and perhaps less breaking potential and more precision

AviOP•4/28/25, 9:08 PM

those can only ever have one running at once, right?

Chaika•4/28/25, 9:08 PM

per durable object instance

AviOP•4/28/25, 9:08 PM

that seems pretty complicated/messy for what we need, which is basically running a job queue

AviOP•4/28/25, 9:08 PM

i was using cf workflows for this but it was phenomenally broken

AviOP•4/28/25, 9:09 PM

i cannot believe they call that GA

AviOP•4/28/25, 9:09 PM

you still can't even delete a workflow lol

AAvi that seems pretty complicated/messy for what we need, which is basically running...

Chaika•4/28/25, 9:09 PM

True, although I think the simplest and most reliable way for your use case would be calling it from a vps you have in a specific location or straight up proxying the request from those regions

AviOP•4/28/25, 9:10 PM

we've been discussing this approach... using a VPS would work but it'd mean setting up all new infra

AviOP•4/28/25, 9:10 PM

much simpler to just stick with CF

AviOP•4/28/25, 9:10 PM

to be clear we currently run this cron job on cf

AviOP•4/28/25, 9:10 PM

works nicely, processed many 100s of thousands of tasks

AviOP•4/28/25, 9:10 PM

we just aren't (yet) calling OpenAI from there

AviOP•4/28/25, 9:11 PM

but yes, a VPS with a specific static location would also work. i just don't want to have to manage another infra provider

Chaika•4/28/25, 9:11 PM

you're not the first one to run into the hkg problem, people have mentioned it in regards to ai gateway before

Chaika•4/28/25, 9:12 PM

hopefully they have some better fix eventually/some way to just avoid it, it's going to come up more and more I think

AviOP•4/28/25, 9:14 PM

i actually had the thought that ai gateway would help here, but i guess it'd just have the same problem of running on whatever nearby colo

Chaika•4/28/25, 9:15 PM

yup and some other requests in the asia pacific region are sometimes routed towards hkg as well, even if the requester isn't in the country

AviOP•4/28/25, 9:16 PM

really appreciate all your help and talking this out!

AviOP•4/28/25, 10:17 PM

anyone know if it's possible for a DO to change locations after creation?

AviOP•4/28/25, 10:17 PM

or is it "tied" to that region?

AviOP•4/28/25, 10:18 PM

oh, the docs say, not yet, but its planned

AAvi anyone know if it's possible for a DO to change locations after creation?

Hello, I’m Allie!•4/29/25, 1:19 AM

Within a region, it may move if the entire Colo goes down, but it won’t move cross-regions yet

Ricky U•4/29/25, 2:03 AM

Secrets Store in Dev mode doesnt seem to work, using the --remote flag does, but all console.logs dont display then.

Ricky U•4/29/25, 4:45 AM

So how would i use secrets store locally? is the fallback .dev.env? dont really want tos tore my secrets in plaintext, but how wold i go about using secret store locally??

Kotkoroid•4/29/25, 6:12 AM

Hi, are versions of

@cloudflare/workers-types

@cloudflare/workers-types

released in hand with a new compatibility date? For example,

@cloudflare/workers-types

@cloudflare/workers-types

4.20250429 was released, does that mean you can now set 2025-04-29 as the

compatibility_date

compatibility_date

in Wrangler config? I know you can put there any date and it automatically falls back to the nearest one but I would like to move only to actually existing ones and don't know how to find out that a new date is available.

LLordSilver Is it possible to control the Playwright instance of Browser Rendering API using...

Rui Figueira•4/29/25, 7:18 AM

Hi @LordSilver , we're porting playwright-mcp to run in cloudflare workers, take a look at https://github.com/cloudflare/playwright-mcp (for now, you have to build it and deploy it yourself, but I hope we have a release in the next few days)

GitHub

GitHub - cloudflare/playwright-mcp: Playwright MCP fork that works ...

Playwright MCP fork that works with Cloudflare Browser Rendering - cloudflare/playwright-mcp

RRui Figueira Hi @LordSilver , we're porting playwright-mcp to run in cloudflare workers, take...

LordSilver•4/29/25, 7:40 AM

interesting. i guess you'll be able to use this directly even without the playground ai? let's say i create a worker with one prompt "search for X product and give me the price", then I pass a list of shops, i would like the worker to use the same prompt for each website in the list so i can find the shop with the cheapest price.

┌─colo─┬─count─┐ 1. │ EWR │ 26965 │ 2. │ LHR │ 38506 │ 3. │ ZRH │ 38292 │ 4. │ IAH │ 25177 │ 5. │ KIX │ 39401 │ 6. │ MEL │ 35336 │ 7. │ SCL │ 22145 │ 8. │ WAW │ 33659 │ 9. │ SLC │ 28135 │ 10. │ TPE │ 33274 │ 11. │ NRT │ 34217 │ 12. │ SIN │ 41770 │ 13. │ MAD │ 40630 │ 14. │ DFW │ 25319 │ 15. │ DTW │ 30731 │ └──────┴───────┘

┌─colo─┬─count─┐ 1. │ LHR │ 9680 │ 2. │ MAD │ 8311 │ 3. │ SLC │ 7795 │ 4. │ SIN │ 7770 │ 5. │ DTW │ 7602 │ 6. │ IAH │ 7601 │ 7. │ MEL │ 6692 │ 8. │ TPE │ 6268 │ └──────┴───────┘

that's so cool, those are the colos your cron workers ran from in the past 24h?

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