The Tech Imposter

So I recently needed to run a function in cloud functions that takes quite a long time to run. TLDR: I needed to do a time sensitive thing 157 times whilst using the local firebase functions emulator.

No matter what I tried every time I reached iteration number 57 I would see the error: Your function timed out after ~60s. To configure this timeout, see https://firebase.google.com/docs/functions/manage-functions#set_timeout_and_memory_allocation.

You can follow the URL but the “runWith” method didn’t work for me at all. In fact this is a known issue: https://github.com/firebase/firebase-tools/issues/2837

exports.internalBatchArrayIntoChunks = functions.runWith({ timeoutSeconds: 540, memory: "1GB" }).https.onRequest(async (req, res) => {

// Do some complicated things that take a lot of memory and time

res.sendStatus(200);

Still got the same error:

> 53
> 54
> 55
> 56
> 57
! functions: Your function timed out after ~60s. To configure this timeout, see https://firebase.google.com/docs/functions/manage-functions#set_timeout_and_memory_allocation.
> C:\src\nvm\v16.0.0\node_modules\firebase-tools\lib\emulator\functionsEmulatorRuntime.js:634
> throw new Error("Function timed out.");
>
>
> Error: Function timed out.
> at Timeout._onTimeout (C:\src\nvm\v16.0.0\node_modules\firebase-tools\lib\emulator\functionsEmulatorRuntime.js:634:19)
> at listOnTimeout (node:internal/timers:557:17)
> at processTimers (node:internal/timers:500:7)

Solution

The best way I could find to solve this was to create a file inside of the functions directory called: “.env.local”

Inside the file we place the timeout we wish to use:

FUNCTIONS_EMULATOR_TIMEOUT_SECONDS=540s

When you are ready, close the emulator process in the terminal and restart it.

Hope this helps you.

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