Thread Pool
The thread pool is a queue of threads available to run a collection of tasks. Thread pools are used to improve performance when running large numbers of asynchronous tasks by reducing per task invocation overhead. This provides a means of bounding and managing the resources consumed when running a collection of tasks.
General
The General section has the following fields.
| Field | Description |
|---|---|
| Name | The name to be displayed as the label for the resource. |
| Description | A short description of the resource. |
Thread Pool
This section has the following fields.
| Field | Literal Value/Module Property | Description |
|---|---|---|
| Core Pool Size | Yes | Must be greater than or equal to zero. The default is 5. |
| Max Pool Size | Yes | The maximum number of threads in the pool. Must be greater than zero and greater than or equal to core pool size.
The default is 10. |
| Keep Alive Time (s) | Yes | The length of time an idle thread remains in the pool before being reclaimed, if the number of threads in pool is more than core pool size.
The default is 30 seconds. |
| Autostart Core Threads | Yes | Indicates to create and start the core pool size threads when the thread pool is created. Normally core threads are created and started only when new tasks arrive. |
| Thread Pool Name Prefix | Yes | A string prefixed to the name of each thread. |
| Daemon | Yes | Select the checkbox to specify whether the threads can be started as a daemon or a user. The default is
false.
|
| Priority | Yes | The default priority of the threads in the pool. The default is 5. |
| Rejection Policy | No | The policy applied when no thread is available to run a task:
The default is
|