X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=docs%2Fapi.md;h=458017a18d79ff284a479e16de94580befd44709;hb=HEAD;hp=db56dc435de10760df69ec48a80d8a5e6b2d4201;hpb=f741236338de5af620b672d81e49677759371298;p=poolifier.git diff --git a/docs/api.md b/docs/api.md index db56dc43..513f62c5 100644 --- a/docs/api.md +++ b/docs/api.md @@ -45,6 +45,14 @@ This method is available on both pool implementations and returns a promise with the task function execution response. +### `pool.mapExecute(data, name, transferList)` + +`data` Iterable objects that you want to pass to your worker task function implementation. +`name` (optional) A string with the task function name that you want to execute on the worker. Default: `'default'` +`transferList` (optional) An array of transferable objects that you want to transfer to your [`ThreadWorker`](#class-yourworker-extends-threadworkerclusterworker) worker implementation. + +This method is available on both pool implementations and returns a promise with the task function execution responses array. + ### `pool.start()` This method is available on both pool implementations and will start the minimum number of workers. @@ -98,8 +106,8 @@ An object with these properties: - `workerChoiceStrategy` (optional) - The default worker choice strategy to use in this pool: - `WorkerChoiceStrategies.ROUND_ROBIN`: Submit tasks to worker in a round robin fashion - - `WorkerChoiceStrategies.LEAST_USED`: Submit tasks to the worker with the minimum number of executed, executing and queued tasks - - `WorkerChoiceStrategies.LEAST_BUSY`: Submit tasks to the worker with the minimum tasks total execution and wait time + - `WorkerChoiceStrategies.LEAST_USED`: Submit tasks to the worker with the minimum number of executing and queued tasks + - `WorkerChoiceStrategies.LEAST_BUSY`: Submit tasks to the worker with the minimum tasks execution time - `WorkerChoiceStrategies.LEAST_ELU`: Submit tasks to the worker with the minimum event loop utilization (ELU) - `WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN`: Submit tasks to worker by using a [weighted round robin scheduling algorithm](./worker-choice-strategies.md#weighted-round-robin) based on tasks execution time - `WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN`: Submit tasks to worker by using an [interleaved weighted round robin scheduling algorithm](./worker-choice-strategies.md#interleaved-weighted-round-robin-experimental) based on tasks execution time (experimental) @@ -115,7 +123,7 @@ An object with these properties: - `runTime` (optional) - Use the tasks [simple moving median](./worker-choice-strategies.md#simple-moving-median) runtime instead of the tasks simple moving average runtime in worker choice strategies. - `waitTime` (optional) - Use the tasks [simple moving median](./worker-choice-strategies.md#simple-moving-median) wait time instead of the tasks simple moving average wait time in worker choice strategies. - `elu` (optional) - Use the tasks [simple moving median](./worker-choice-strategies.md#simple-moving-median) ELU instead of the tasks simple moving average ELU in worker choice strategies. - - `weights` (optional) - The worker weights to use in weighted round robin worker choice strategies: `{ 0: 200, 1: 300, ..., n: 100 }`. + - `weights` (optional) - The worker weights to use in weighted round robin worker choice strategies: `Record`. Default: `{ runTime: { median: false }, waitTime: { median: false }, elu: { median: false } }` @@ -137,7 +145,7 @@ An object with these properties: - `tasksStealingOnBackPressure` (optional) - Tasks stealing enablement under back pressure. - `tasksFinishedTimeout` (optional) - Queued tasks finished timeout in milliseconds at worker termination. - Default: `{ size: (pool maximum size)^2, concurrency: 1, taskStealing: true, tasksStealingOnBackPressure: true, tasksFinishedTimeout: 2000 }` + Default: `{ size: (pool maximum size)^2, concurrency: 1, taskStealing: true, tasksStealingOnBackPressure: false, tasksFinishedTimeout: 2000 }` - `workerOptions` (optional) - An object with the worker options to pass to worker. See [worker_threads](https://nodejs.org/api/worker_threads.html#worker_threads_new_worker_filename_options) for more details. @@ -153,8 +161,8 @@ An object with these properties: `opts` (optional) An object with these properties: - `killBehavior` (optional) - Dictates if your worker will be deleted in case a task is active on it. - **KillBehaviors.SOFT**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker **won't** be deleted. - **KillBehaviors.HARD**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing or queued, then the worker will be deleted. + **KillBehaviors.SOFT**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but the worker is stealing tasks or a task is executing or queued, then the worker **won't** be deleted. + **KillBehaviors.HARD**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but the worker is stealing tasks or a task is executing or queued, then the worker will be deleted. This option only apply to the newly created workers. Default: `KillBehaviors.SOFT`