Concurrency is set to 80 by default

[andreas-thomik]

Description

According to the documentation, a default function has a memory of 256MB (which translates to .167 vCPU according to this).

    memory: int | MemoryOption | Expression[int] | _util.Sentinel | None = None
    """
    Amount of memory to allocate to a function.
    A value of ``RESET_VALUE`` restores the defaults of 256MB.
    """
 
    ...

    concurrency: int | Expression[int] | _util.Sentinel | None = None
    """
    Number of requests a function can serve at once.
    Can be applied only to functions running on Cloud Functions (2nd gen).
    A value of ``RESET_VALUE`` restores the default concurrency (80 when CPU >= 1, 1 otherwise).
    Concurrency cannot be set to any value other than 1 if `cpu` is less than 1.
    The maximum value for concurrency is 1,000.
    """

However, when creating a function with a default setup like that

from firebase_functions import https_fn

@https_fn.on_call()
def test_func():
    return None

We end up with a concurrency of 80:

[exaby73]

Hello @andreas-thomik. This is working as intended. If you see the cpu parameter, it defaults to 1, which makes the concurrency default to 1 as well:

    cpu: int | _typing.Literal["gcf_gen1"] | _util.Sentinel | None = None
    """
    Fractional number of CPUs to allocate to a function.
    Defaults to 1 for functions with <= 2GB RAM and increases for larger memory sizes.
    This is different from the defaults when using the gcloud utility and is different from
    the fixed amount assigned in Cloud Functions (1st gen).
    To revert to the CPU amounts used in gcloud or in Cloud Functions (1st gen), set this
    to the value "gcf_gen1"
    """

Since this is working as intended, I will close this issue. Thank you