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•Created by Kaique Anarkrypto on 4/7/2025 in #workers-help

Are the user messages charged in setWebSocketAutoResponse?

Hi, @Walshy | Workers/Pages! Do you know where is the best place to ask this?

2 replies

CDCloudflare Developers

•Created by Kaique Anarkrypto on 3/29/2025 in #workers-help

How to implement free of charge ping pong in cloudflare Durable Object Websocket

Further research shows the Ping method is not supported via the native browser Websocket Client and the send method seems to only support payloads and not command messages, which include opcodes for commands such as ping. Yet, we can configure it at a higher level using payloads (using "ping" and "pong" as messages). After reading the docs I found a good this solution, we can use the state.setWebSocketAutoResponse api to configure the DO to auto respond ping with pong https://developers.cloudflare.com/durable-objects/api/state/#setwebsocketautoresponse This solution is great because also allow us to ping pong while keeping hibernate state And "Application-level auto-response messages handled by state.setWebSocketAutoResponse() will not incur additional wall-clock time, and so they will not be charged." https://developers.cloudflare.com/durable-objects/platform/pricing/ Just put inside the constructor:

const pingPongResponse = new WebSocketRequestResponsePair('ping', 'pong');
this.state.setWebSocketAutoResponse(pingPongResponse);

const pingPongResponse = new WebSocketRequestResponsePair('ping', 'pong');
this.state.setWebSocketAutoResponse(pingPongResponse);

2 replies

CDCloudflare Developers

•Created by Kaique Anarkrypto on 3/26/2025 in #general-help

Does Cloudflare Workers auto scale?

@Erisa @FloppyDisk the same for Durable Object? Since each DO has an unique id, I am not sure if auto scales.

5 replies

CDCloudflare Developers

•Created by Kaique Anarkrypto on 10/21/2024 in #durable-objects

Theoretically, how many clients could I

@Walshy | Out of office, my question is like "in a scenario where the messages are zero, how much connections per DO could be possible?" Afterall, the websocket connection itself don't consumes ram from the DO, even if you are not storing any metadata and even if you not sending any message? If yes, then I would like to know how much kb of ram is consumed per connection

11 replies

CDCloudflare Developers

•Created by Kaique Anarkrypto on 10/21/2024 in #durable-objects

Theoretically, how many clients could I

11 replies

CDCloudflare Developers

•Created by Kaique Anarkrypto on 10/21/2024 in #durable-objects

Theoretically, how many clients could I

I assume each new client needs allocated ram. The maximum ram per DO is 128MB

11 replies

CDCloudflare Developers

•Created by Kaique Anarkrypto on 9/18/2024 in #durable-objects

Persist DO alive during worker deploy

@Milan, the "node" I am talking about cannot do that, it's a cryptocurrency node with a very clear purpose, it's It is out of the question to modify it. Thanks for your help

8 replies

CDCloudflare Developers

•Created by Kaique Anarkrypto on 9/18/2024 in #durable-objects

Persist DO alive during worker deploy

@Milan, my node provides a websocket, the DO connects to it. And yeah, currently it seems the only to fix is by deploying into a different worker, which is what I was trying to avoid. Other option is try to recover the lost state after the reset.

8 replies

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