X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=README.md;h=da1690207e21ce6cea04dbe87f3768f3641132d6;hb=refs%2Ftags%2Fv2.4.6;hp=ead314833872725729537434b19aefa5704c1aba;hpb=a746be5b3f476db0d65dedbe147e690f432e9e03;p=poolifier.git diff --git a/README.md b/README.md index ead31483..da169020 100644 --- a/README.md +++ b/README.md @@ -3,10 +3,6 @@

Node Thread Pool and Cluster Pool :arrow_double_up: :on:

-

- - Ko-fi -

@@ -16,11 +12,13 @@ Quality Gate Status - Code coverage + Code Coverage Javascript Standard Style Guide Gitter chat + + Open Collective Dependabot @@ -99,7 +97,7 @@ You can implement a worker-threads worker in a simple way by extending the class 'use strict' const { ThreadWorker } = require('poolifier') -function yourFunction (data) { +function yourFunction(data) { // this will be executed in the worker thread, // the data will be received by using the execute method return { ok: 1 } @@ -115,19 +113,22 @@ Instantiate your pool based on your needed : ```js 'use strict' -const { FixedThreadPool, DynamicThreadPool } = require('poolifier') +const { DynamicThreadPool, FixedThreadPool, PoolEvents } = require('poolifier') // a fixed worker-threads pool const pool = new FixedThreadPool(15, './yourWorker.js', { errorHandler: (e) => console.error(e), onlineHandler: () => console.log('worker is online') }) +pool.emitter.on(PoolEvents.busy, () => console.log('Pool is busy')) + // or a dynamic worker-threads pool const pool = new DynamicThreadPool(10, 100, './yourWorker.js', { errorHandler: (e) => console.error(e), onlineHandler: () => console.log('worker is online') }) -pool.emitter.on('busy', () => console.log('Pool is busy')) +pool.emitter.on(PoolEvents.full, () => console.log('Pool is full')) +pool.emitter.on(PoolEvents.busy, () => console.log('Pool is busy')) // the execute method signature is the same for both implementations, // so you can easy switch from one to another @@ -146,7 +147,7 @@ Remember that workers can only send and receive serializable data. ## Node versions -Bode node versions >= 16.x are supported. +Node versions >= 16.x are supported. ## API @@ -165,14 +166,22 @@ Bode node versions >= 16.x are supported. - `workerChoiceStrategy` (optional) - The worker choice strategy to use in this pool: - `WorkerChoiceStrategies.ROUND_ROBIN`: Submit tasks to worker in a round robbin fashion - - `WorkerChoiceStrategies.LESS_RECENTLY_USED`: Submit tasks to the less recently used worker - - `WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN` Submit tasks to worker using a weighted round robin scheduling algorithm based on tasks execution time + - `WorkerChoiceStrategies.LESS_USED`: Submit tasks to the less used worker + - `WorkerChoiceStrategies.LESS_BUSY`: Submit tasks to the less busy worker + - `WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN`: Submit tasks to worker using a weighted round robin scheduling algorithm based on tasks execution time - `WorkerChoiceStrategies.FAIR_SHARE`: Submit tasks to worker using a fair share tasks scheduling algorithm based on tasks execution time `WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN` and `WorkerChoiceStrategies.FAIR_SHARE` strategies are targeted to heavy and long tasks Default: `WorkerChoiceStrategies.ROUND_ROBIN` +- `workerChoiceStrategyOptions` (optional) - The worker choice strategy options object to use in this pool. + Properties: + + - `medRunTime` (optional) - Use the tasks median run time instead of the tasks average run time in worker choice strategies. + Default: { medRunTime: false } + - `enableEvents` (optional) - Events emission enablement in this pool. Default: true +- `enableTasksQueue` (optional, experimental) - Tasks queue per worker enablement in this pool. Default: false ### `pool = new DynamicThreadPool/DynamicClusterPool(min, max, filePath, opts)` @@ -205,7 +214,7 @@ This method will call the terminate method on each worker. - `async` - true/false, true if your function contains async code pieces, else false - `killBehavior` - Dictates if your async unit (worker/process) will be deleted in case that a task is active on it. **KillBehaviors.SOFT**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still running, then the worker **won't** be deleted. - **KillBehaviors.HARD**: If `lastActiveTime` is greater than `maxInactiveTime` but a task is still running, then the worker will be deleted. + **KillBehaviors.HARD**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still running, then the worker will be deleted. This option only apply to the newly created workers. Default: `KillBehaviors.SOFT` @@ -250,7 +259,7 @@ But in general, **always profile your application** ## Contribute See guidelines [CONTRIBUTING](CONTRIBUTING.md) -Choose your task here [2.3.x](https://github.com/orgs/poolifier/projects/1), propose an idea, a fix, an improvement. +Choose your task here [2.4.x](https://github.com/orgs/poolifier/projects/1), propose an idea, a fix, an improvement. ## Team