System Configuration
System configuration can be set in the form of configuration files, such as:
// config.json
// NOSLATED_CONFIG_PATH=config.json
{
"worker": {
"reservationCountPerFunction": 10
}
}
| Configuration name | Type | Description |
|---|---|---|
| plane | PlaneConfig | plane configuration |
| controlPlane | ControlPlaneConfig | control plane configuration |
| virtualMemoryPoolSize | number | virtual memory pool size, used for overselling |
| worker | WorkerConfig | Worker Instance Default Configuration |
| systemCircuitBreaker | SystemCircuitBreaker | System circuit breaker configuration |
| delegate | Delegate | Worker Instance Proxy Configuration |
Plane
| Configuration name | Type | Description |
|---|---|---|
| dataPlaneCount | number | Number of Data Planes |
| planeFirstConnectionTimeout | number | plane connection timeout |
Control Plane
| Configuration name | Type | Description |
|---|---|---|
| expandConcurrency | number | Worker instance expansion concurrency, default is 2 |
| expandInterval | number | Expansion queue consumption interval, the default is setInterval(0) |
Worker
| Configuration name | Type | Description |
|---|---|---|
| controlPlaneConnectTimeout | number | Control Plane connection timeout |
| defaultShrinkStrategy | string | Default scaling 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) |
| gcLogDelay | number | How long to clear the log residue after the worker instance is stopped, the default is 5 minutes |
| reservationCountPerFunction | number | Number of Reserved Instances per Worker Function |
| maxActivateRequests | number | Number of Reserved Instances per Worker Function |
| defaultInitializerTimeout | number | Default initialization timeout |
| replicaCountLimit | number | The upper limit of each Worker function instance |
| shrinkRedundantTimes | number | Idle judgment shrink time |
SystemCircuitBreaker
| Configuration name | Type | Description |
|---|---|---|
| requestCountLimit | number | Maximum number of instant requests, default 10000 |
| pendingRequestCountLimit | number | Waiting for the number of requests to go online, the default is 1000 |
| systemLoad1Limit | number | System CPU Load upper limit, default 10 |
Delegate
| Configuration name | Type | Description |
|---|---|---|
| sockConnectTimeout | number | Worker connection timeout, default 5s |
| kvStoragePerNamespaceCapacity | number | The maximum number of kvStorage namespaces, the default is 8 |
| kvStoragePerNamespaceMaxSize | number | The upper limit of the maximum storage quantity of kvStorage namespace, the default is 4096 |
| kvStoragePerNamespaceMaxByteLength | number | The maximum storage limit of kvStorage namespace, the default is 256MB |