X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=docs%2Fapi.md;h=28e6aad2c3b56bf529890aad889c9029e4b69777;hb=152e87a8c57c8cbd3a3b437106bcc79c30fcc720;hp=c62e7f50b531c8048314b7dec52167028e8ef378;hpb=31847469b406e46688d8aafb880e250706dd8aee;p=poolifier.git diff --git a/docs/api.md b/docs/api.md index c62e7f50..28e6aad2 100644 --- a/docs/api.md +++ b/docs/api.md @@ -62,7 +62,7 @@ This method is available on both pool implementations and returns a boolean. ### `pool.addTaskFunction(name, fn)` `name` (mandatory) The task function name. -`fn` (mandatory) The task function. +`fn` (mandatory) The task function `(data?: Data) => Response | Promise` or task function object `{ taskFunction: (data?: Data) => Response | Promise, priority?: number, strategy?: WorkerChoiceStrategy }`. Priority range is the same as Unix nice levels. This method is available on both pool implementations and returns a boolean promise. @@ -95,11 +95,11 @@ An object with these properties: - `exitHandler` (optional) - A function that will listen for exit event on each worker. Default: `() => {}` -- `workerChoiceStrategy` (optional) - The worker choice strategy to use in this pool: +- `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 +115,7 @@ 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 +137,7 @@ 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. @@ -149,12 +149,12 @@ An object with these properties: ### `class YourWorker extends ThreadWorker/ClusterWorker` -`taskFunctions` (mandatory) The task function or task functions object `{ name_1: fn_1, ..., name_n: fn_n }` that you want to execute on the worker. +`taskFunctions` (mandatory) The task function or task functions object `Record Response | Promise | { taskFunction: (data?: Data) => Response | Promise, priority?: number, strategy?: WorkerChoiceStrategy }>` that you want to execute on the worker. Priority range is the same as Unix nice levels. `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` @@ -176,7 +176,7 @@ This method is available on both worker implementations and returns `{ status: b #### `YourWorker.addTaskFunction(name, fn)` `name` (mandatory) The task function name. -`fn` (mandatory) The task function. +`fn` (mandatory) The task function `(data?: Data) => Response | Promise` or task function object `{ taskFunction: (data?: Data) => Response | Promise, priority?: number, strategy?: WorkerChoiceStrategy }`. Priority range is the same as Unix nice levels. This method is available on both worker implementations and returns `{ status: boolean, error?: Error }`.