@skye_31 hold on a minute, if I hosted my website in a DO wouldn't everyone's requests block every t

@skye_31 hold on a minute, if I hosted my website in a DO wouldn't everyone's requests block every time I made a fetch to another DO / worker?

johtsoOP•3/11/23, 2:25 PM

or is that input output gate stuff only for storage operations?

johtsoOP•3/11/23, 2:26 PM

which I guess I can turn off with allowConcurrencyallowConcurrency and allowUnconfirmedallowUnconfirmed

johtsoOP•3/11/23, 2:26 PM

no worries

Jjohtso @skye_31 hold on a minute, if I hosted my website in a DO wouldn't everyone's re...

DaniFoldi•3/11/23, 2:30 PM

You're correct in that if the input gate is closed, no new requests will come in. The input gate is opened whenever you make an external async request, such as fetch another DO/worker - so that should open the input gate and allow other requests to be processed in the meantime.

johtsoOP•3/11/23, 2:42 PM

just trying to get my head around what the deal is if every request needed to increment a value in storage, and making the get and then put atomic

johtsoOP•3/11/23, 2:44 PM

I feel like it just works, but I'd love to understand why

johtsoOP•3/11/23, 2:44 PM

I think I just need to read the blog post 10 more times until it all clicks

johtsoOP•3/11/23, 2:47 PM

and probably do some more reading on how javascript concurrency works

johtsoOP•3/11/23, 2:51 PM

"Any other events will be deferred until such a time as the object is no longer executing JavaScript code and is no longer waiting for any storage operations"

johtsoOP•3/11/23, 2:51 PM

I think this is the bit I was missing!

johtsoOP•3/11/23, 2:53 PM

new events wont be delivered while code is executing, only when the event loop is idle

johtsoOP•3/11/23, 3:03 PM

@skye_31 another potential issue. say my DO needed to calculate some expensive hashing function when a user logs in, that would block all other requests

johtsoOP•3/11/23, 3:03 PM

where as with a worker the other requests would get handled by another instance?

Original message was deleted

johtsoOP•3/11/23, 4:09 PM

so I guess you'd just have to be extra careful to have short execution time, and defer anything that might be cpu intensive to another worker/do

johtsoOP•3/11/23, 4:23 PM

@skye_31 I guess I just liked the idea that my entry point would be colocated with my other DOs so communicating between them would be faster, and things like a rate limit check could even be stored locally to avoid an extra request for each user request

johtsoOP•3/11/23, 4:24 PM

but yeah, premature optimisation

johtsoOP•3/11/23, 4:25 PM

yeah, it did seem like you could get pretty far with that!

Original message was deleted

johtsoOP•3/11/23, 4:28 PM

the one rule limit is kind of restrictive though

johtsoOP•3/11/23, 4:30 PM

probably enough though when I think about it

johtsoOP•3/11/23, 6:08 PM

can durable objects not have cron triggers?

DaniFoldi•3/11/23, 6:12 PM

They have something similar called alarms, which are actually more precise, but you have to schedule it every time

Jjohtso can durable objects not have cron triggers?

Hello, I’m Allie!•3/11/23, 6:12 PM

No, but they can have Alarms

HHello, I’m Allie!No, but they can have Alarms

DaniFoldi•3/11/23, 6:12 PM

ha, got you

DDaniFoldi ha, got you

Hello, I’m Allie!•3/11/23, 6:12 PM

Deletes your message so I’m first…

johtsoOP•3/11/23, 6:13 PM

yeah, just would be nice to have the simplicity of cron triggers you could twiddle in the dashboard

HHello, I’m Allie!*Deletes your message so I’m first…*

DaniFoldi•3/11/23, 6:13 PM

cries in non-colored dev expert

johtsoOP•3/11/23, 6:13 PM

curious if it's something that's planned

Jjohtso yeah, just would be nice to have the simplicity of cron triggers you could twidd...

Hello, I’m Allie!•3/11/23, 6:13 PM

I mean, you can pass Cron Triggers into a DO

Jjohtso curious if it's something that's planned

Hello, I’m Allie!•3/11/23, 6:14 PM

Probably not. You can pass them in if you need them, or otherwise build your own with Alarms

johtsoOP•3/11/23, 6:14 PM

get yer hands dirty

Hello, I’m Allie!•3/11/23, 6:14 PM

There’s not really much of a need that doesn’t work there

johtsoOP•3/11/23, 6:14 PM

I'm kind of surprised there aren't more abstractions built on top of DOs

johtsoOP•3/11/23, 6:15 PM

oh wait of course, there's do-taskmanager!

Jjohtso oh wait of course, there's do-taskmanager!

DaniFoldi•3/11/23, 6:18 PM

and do-transactional-outboxdo-transactional-outbox

johtsoOP•3/11/23, 6:20 PM

has anyone made a cloudflare worker / DO resources cheat sheet github repo or something?

johtsoOP•3/11/23, 6:20 PM

with all these things linked

johtsoOP•3/11/23, 6:21 PM

itty-durable, do-taskmanager, do-transactional-outbox..

Ffrankichiro Isn't miniflare part of wrangler? Do I need to install miniflare separately, or ...

Hello, I’m Allie!•3/12/23, 9:03 AM

There are three tiers.

wrangler

wrangler

is the CLI,

miniflare

miniflare

is the system that actually mocks a Workers environment, and

workerd

workerd

, if you choose to use it, is the actual Workers runtime.

Advany•3/12/23, 9:58 AM

is there like a framework on top of do that can handle spinning of new do instances when limits are reached?

I want to save json objects inside of DO to be quickly available during requests. If I want to store like couple 1000 of json objects inside one DO (one do per client). Would I store everything in one object like this.configs = {} or is there a more efficient way of doing it?

Ffrankichiro So… getting DO to work with Pages just needs two CLI flags, but getting DO to wo...

Hello, I’m Allie!•3/12/23, 10:14 AM

No, I was just explaining what the different parts did. To use a DO with Workers, all you need is a

wrangler.toml

wrangler.toml

johtsoOP•3/12/23, 12:38 PM

"We do plan on improving the lifecycle management of objects soon, and auto-expiration is very likely to be part of that." saw this in a forum post from 2 years ago, did anything happen on this front?

@skye_31 hold on a minute, if I hosted my website in a DO wouldn't everyone's requests block every t

Similar Threads

Similar Threads

Similar Threads