Max number of instances.

[deepak786]

Deployed the v1 event-driven cloud function with the following configuration:

"dependencies": {
    "firebase-admin": "^11.3.0",
    "firebase-functions": "^4.1.0"
},
"engines": {
    "node": "16"
}

The function is without runWith configuration. After deploying, the firebase console automatically shows the max instance limit of 3000.

Is 3000, the default max limit?

[google-oss-bot]

I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.

[larssn]

EDIT Turns out I was stuck on an old version of firebase-tools, due to having multiple Node installations (NVM). After fixing the problem, my error went away.

ORIGINAL POST

Getting a probably related error:

Error: Failed to parse build specification:
- FirebaseError Expected endpoints[createNewBillingMonth].minInstances to be a number; was object

This happens when deploying using firebase deploy --only functions.

This is in a function that has a runWith that looks like this:

export const createNewBillingMonth = region('europe-west1')
  .runWith({
    timeoutSeconds: 540,
    memory: '1GB',
  })

If I fill out minInstances, it starts complaining about maxInstances

[deepak786]

@taeold Can you please look into it?

[exaby73]

Picking up this for investigation, the endpoint that generates the YAML contract that configures the function on GCP/Firebase sets the maxInstaces to null. According to the contract as far as I know, the default maxInstances is supposed to be 1000

[CorieW]

Hi @deepak786

This is the default max instances. You can change the maximum number of instances, like the following:

export const helloWorld_v1 = v1.runWith({
  maxInstances: 10,
}).https.onRequest((request, response) => {
  response.send("Hello from Firebase Functions!");
});

export const helloWorld_v2 = v2.https.onRequest({
  maxInstances: 10,
}, (request, response) => {
  response.send("Hello from Firebase Functions!");
});

Thank you for opening this issue. I'm going to close this here. If you have further questions or problems, feel free to reply (and I'll reopen) or open a new issue.