X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=README.md;h=cb45449c6515818485ebb6c7eb692a54fdff043d;hb=9e2ab226b1bc8d1c234f73ac9300132b8f05b335;hp=33c188722210fe375449ba50b39eaa8300da5322;hpb=a7bbf44af196570a041a274e8b93365b23e292d9;p=poolifier.git diff --git a/README.md b/README.md index 33c18872..cb45449c 100644 --- a/README.md +++ b/README.md @@ -150,7 +150,7 @@ Node versions >= 16.14.x are supported. ## [API](https://poolifier.github.io/poolifier/) -### Pool options +### `PoolOptions` An object with these properties: @@ -161,12 +161,12 @@ An object with these properties: - `workerChoiceStrategy` (optional) - The 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 running and ran tasks - - `WorkerChoiceStrategies.LEAST_BUSY`: Submit tasks to the worker with the minimum tasks total execution time + - `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_ELU`: Submit tasks to the worker with the minimum event loop utilization (ELU) (experimental) - - `WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN`: Submit tasks to worker by using a weighted round robin scheduling algorithm based on tasks execution time - - `WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN`: Submit tasks to worker by using an interleaved weighted round robin scheduling algorithm based on tasks execution time (experimental) - - `WorkerChoiceStrategies.FAIR_SHARE`: Submit tasks to worker by using a fair share tasks scheduling algorithm based on tasks execution time + - `WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN`: Submit tasks to worker by using a [weighted round robin scheduling algorithm](./src/pools/selection-strategies/README.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](./src/pools/selection-strategies/README.md#interleaved-weighted-round-robin) based on tasks execution time (experimental) + - `WorkerChoiceStrategies.FAIR_SHARE`: Submit tasks to worker by using a [fair share scheduling algorithm](./src/pools/selection-strategies/README.md#fair-share) based on tasks execution time or ELU active time `WorkerChoiceStrategies.WEIGHTED_ROUND_ROBIN`, `WorkerChoiceStrategies.INTERLEAVED_WEIGHTED_ROUND_ROBIN` and `WorkerChoiceStrategies.FAIR_SHARE` strategies are targeted to heavy and long tasks. Default: `WorkerChoiceStrategies.ROUND_ROBIN` @@ -174,10 +174,13 @@ An object with these properties: - `workerChoiceStrategyOptions` (optional) - The worker choice strategy options object to use in this pool. Properties: - - `medRunTime` (optional) - Use the tasks median runtime instead of the tasks average runtime in worker choice strategies. - - `weights` (optional) - The worker weights to use in the weighted round robin worker choice strategy: `{ 0: 200, 1: 300, ..., n: 100 }` + - `measurement` (optional) - The measurement to use in worker choice strategies: `runTime`, `waitTime` or `elu`. + - `runTime` (optional) - Use the tasks [median](./src/pools/selection-strategies/README.md#median) runtime instead of the tasks average runtime in worker choice strategies. + - `waitTime` (optional) - Use the tasks [median](./src/pools/selection-strategies/README.md#median) wait time instead of the tasks average wait time in worker choice strategies. + - `elu` (optional) - Use the tasks [median](./src/pools/selection-strategies/README.md#median) ELU instead of the tasks average ELU in worker choice strategies. + - `weights` (optional) - The worker weights to use in the weighted round robin worker choice strategy: `{ 0: 200, 1: 300, ..., n: 100 }`. - Default: `{ medRunTime: false }` + Default: `{ runTime: { median: false }, waitTime: { median: false }, elu: { median: false } }` - `restartWorkerOnError` (optional) - Restart worker on uncaught error in this pool. Default: `true` @@ -193,11 +196,11 @@ An object with these properties: Default: `{ concurrency: 1 }` -#### Thread pool specific options +#### `ThreadPoolOptions extends PoolOptions` - `workerOptions` (optional) - An object with the worker options. See [worker_threads](https://nodejs.org/api/worker_threads.html#worker_threads_new_worker_filename_options) for more details. -#### Cluster pool specific options +#### `ClusterPoolOptions extends PoolOptions` - `env` (optional) - An object with the environment variables to pass to the worker. See [cluster](https://nodejs.org/api/cluster.html#cluster_cluster_fork_env) for more details. @@ -239,8 +242,8 @@ This method will call the terminate method on each worker. Default: `60000` - `killBehavior` (optional) - 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 `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still running, then the worker will be deleted. + **KillBehaviors.SOFT**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing, then the worker **won't** be deleted. + **KillBehaviors.HARD**: If `currentTime - lastActiveTime` is greater than `maxInactiveTime` but a task is still executing, then the worker will be deleted. This option only apply to the newly created workers. Default: `KillBehaviors.SOFT`