Worker Function Configuration

Worker function meta information configuration is described in JSON format, and the specific fields are as follows:

name	type	description
name	string	Worker function name, which is used to identify the specific Worker function when calling
url	string	Worker function code package address, the format is zip, supports http(s) remote address and file local address
signature	string	Code package signature, used to determine the validity of the code package and whether there is an update
runtime	string	Runtime type, optional values: nodejs-v16 (v16.15.1), aworker
handler	string	Worker function entry, only valid when the runtime is nodejs-v16
initializer	string	Initialize Worker function entry, only valid when runtime is nodejs-v16
sourceFile	string	Worker function execution file name, only valid when runtime is aworker
namespace	string, optional	Resource space, used when sharing resources among multiple Worker functions
worker	WorkerConfig, optional	Worker Function instance configuration
environments	Environment[], optional	Worker Environment variables required by the function
resourceLimit	ResourceLimit, optional	Worker Functions can use resource limits
rateLimit	RateLimit, optional	Worker Function current limiting configuration

Worker Function instance configuration

The following configurations are optional

name	type	description
shrinkStrategy	string	Shrinking strategy, the default value is LCC, optional values: FILO (create first and then destroy), FIFO (create first and destroy first), LCC (destruct minimum current concurrency)
initializationTimeout	number	Initialization timeout, default 10s
maxActivateRequests	number	The maximum number of simultaneous execution requests, the default is 10
reservationCount	number	The number of reserved instances, the default is 0
replicaCountLimit	number	Maximum number of instances, default is 10
fastFailRequestsOnStarting	boolean	Whether to return an error directly when the worker instance fails to start, otherwise wait for an available instance until the timeout, the default is true
v8Options	string[]	v8 parameters
execArgv	string[]	aworker execution parameters
disposable	boolean	Whether to use the disposable mode, the default is false

environment variable

The format is as follows:

{
    key: string;
    value: string;
}

Specify the environment variables required by the Worker instance, such as:

{
    "environments": [
        {
            "key": "NODE_ENV",
            "value": "production"
        }
    ]
}

Resource Limits

The following configurations are optional

name	type	description
memory	number	The upper limit of available memory for each worker instance, the default is 500MB
cpu	number	Available CPU time per worker instance

Current limiting configuration

The following configurations are optional, and the token bucket mode is used for current limit:

name	type	description
maxTokenCount	number	Maximum number of tokens available
tokensPerFill	number	Number of tokens per fill
fillInterval	number	Token Fill Interval