## [Unreleased]
+## [2.7.4] - 2023-09-25
+
+### Fixed
+
+- Fix source maps (bundler issue).
+
+## [2.7.3] - 2023-09-24
+
+### Changed
+
+- Convert pool event emitter to event emitter async resource.
+
+## [2.7.2] - 2023-09-23
+
+### Changed
+
+- Add source maps to npm package to ease debugging.
+
+### Added
+
+- Continuous benchmarking versus other worker pools: [https://poolifier.github.io/benchmark](https://poolifier.github.io/benchmark).
+
+## [2.7.1] - 2023-09-20
+
+### Fixed
+
+- Ensure worker message listener used one time are removed after usage.
+
+## [2.7.0] - 2023-09-19
+
+### Fixed
+
+- Fix task stealing related tasks queue options handling at runtime.
+
+### Changed
+
+- Rename `listTaskFunctions()` to `listTaskFunctionNames()` in pool and worker API.
+
+### Added
+
+- Add `hasTaskFunction()`, `addTaskFunction()`, `removeTaskFunction()`, `setDefaultTaskFunction()` methods to pool API: [PR #1148](https://github.com/poolifier/poolifier/pull/1148).
+- Stricter worker constructor arguments validation.
+
+## [2.6.45] - 2023-09-17
+
+### Changed
+
+- Disable publication on GitHub packages registry on release until authentication issue is fixed.
+
+### Added
+
+- Add `startWorkers` to pool options to whether start the minimum number of workers at pool initialization or not.
+- Add `start()` method to pool API to start the minimum number of workers.
+- Add `taskStealing` and `tasksStealingOnPressure` to tasks queue options to whether enable task stealing or not and whether enable tasks stealing under back pressure or not.
+- Continuous internal benchmarking: [https://poolifier.github.io/benchmark-results/dev/bench](https://poolifier.github.io/benchmark-results/dev/bench).
+
+## [2.6.44] - 2023-09-08
+
+### Fixed
+
+- Use a dedicated PAT to publish on GitHub packages registry.
+
+### Added
+
+- Publish on GitHub packages registry on release.
+
+### Changed
+
+- Switch from rome to biome: [PR #1128](https://github.com/poolifier/poolifier/pull/1128).
+
+## [2.6.43] - 2023-09-08
+
+### Added
+
+- Publish on GitHub packages registry on release.
+
+### Changed
+
+- Switch from rome to biome: [PR #1128](https://github.com/poolifier/poolifier/pull/1128).
+
+## [2.6.42] - 2023-09-06
+
+### Changed
+
+- Optimize hot code paths implementation: avoid unnecessary branching, add and use optimized helpers (min, max), use reduce() array helper, ...
+
+## [2.6.41] - 2023-09-03
+
+### Changed
+
+- Optimize worker choice strategies implementation.
+
+## [2.6.40] - 2023-09-01
+
+### Fixed
+
+- Do not pre-choose in WRR worker choice strategy to avoid bias.
+- Avoid array out of bound in worker choice strategies after worker node removal.
+
+## [2.6.39] - 2023-08-30
+
+### Fixed
+
+- Fix race condition in worker choice strategies at worker node info querying while not yet initialized.
+
+## [2.6.38] - 2023-08-30
+
+### Added
+
+- Bundle typescript types declaration into one file.
+
+### Changed
+
+- Improve interleaved weighted round robin worker choice strategy implementation.
+
+## [2.6.37] - 2023-08-28
+
+### Fixed
+
+- Ensure unused worker usage statistics are deleted at runtime.
+
+### Changed
+
+- Rename worker choice strategy options `choiceRetries` to `retries`.
+- Avoid unnecessary branching in worker choice strategies.
+
+## [2.6.36] - 2023-08-27
+
+### Fixed
+
+- Fix pool `execute()` arguments check.
+
+### Changed
+
+- Make continuous tasks stealing algorithm less aggressive.
+- Fine tune tasks stealing algorithm under back pressure.
+
+## [2.6.35] - 2023-08-25
+
+### Fixed
+
+- Don't account worker usage statistics for tasks that have failed.
+- Fix pool information runtime and wait time median computation.
+
+### Changed
+
+- Update simple moving average implementation to use a circular buffer.
+- Update simple moving median implementation to use a circular buffer.
+- Account for stolen tasks in worker usage statistics and pool information.
+
+### Added
+
+- Continuous tasks stealing algorithm.
+
+## [2.6.34] - 2023-08-24
+
+### Fixes
+
+- Avoid cascading tasks stealing under back pressure.
+
+### Changed
+
+- Add fastpath to queued tasks rescheduling.
+
+## [2.6.33] - 2023-08-24
+
+### Fixed
+
+- Fix queued tasks rescheduling.
+
+### Changed
+
+- Rename tasks queue options `queueMaxSize` to `size`.
+
+### Added
+
+- Task stealing scheduling algorithm if tasks queueing is enabled.
+
+## [2.6.32] - 2023-08-23
+
+### Fixed
+
+- Ensure no task can be executed when the pool is destroyed.
+
+### Added
+
+- Add `queueMaxSize` option to tasks queue options.
+- Add O(1) deque implementation implemented with doubly linked list and use it for tasks queueing.
+- Add tasks stealing algorithm when a worker node queue is back pressured if tasks queueing is enabled.
+
+## [2.6.31] - 2023-08-20
+
+### Fixed
+
+- Fix worker choice strategy retries mechanism in some edge cases.
+
+### Changed
+
+- Make orthogonal worker choice strategies tasks distribution and created dynamic worker usage.
+- Remove the experimental status of the `LEAST_ELU` worker choice strategy.
+
+## [2.6.30] - 2023-08-19
+
+### Fixed
+
+- Ensure pool event `backPressure` is emitted.
+- Ensure pool event `full` is emitted only once.
+- Ensure worker node cannot be instantiated without proper arguments.
+
+## [2.6.29] - 2023-08-18
+
+### Fixed
+
+- Fix race condition between ready and task functions worker message handling at startup.
+- Fix duplicate task function worker usage statistics computation per task function.
+- Update task function worker usage statistics if and only if there's at least two different task functions.
+- Fix race condition at task function worker usage executing task computation leading to negative value.
+
+### Added
+
+- Add back pressure detection on the worker node queue. Event `backPressure` is emitted when all worker node queues are full (worker node queue size >= poolMaxSize^2).
+- Use back pressure detection in worker choice strategies.
+- Add worker choice strategies retries mechanism if no worker is eligible.
+
+## [2.6.28] - 2023-08-16
+
+### Fixed
+
+- Ensure pool workers are properly initialized.
+
### Added
- HTTP server pool examples: express-cluster, express-hybrid.
+### Changed
+
+- Remove now useless branching in worker hot code path.
+
## [2.6.27] - 2023-08-15
### Fixed
- Add kill handler to worker options allowing to execute custom code when worker is killed.
- Add `listTaskFunctions()` method to pool API.
-- SMTP server pool example: nodemailer.
+- SMTP client pool example: nodemailer.
## [2.6.25] - 2023-08-13
### Fixed
- Fix queued tasks redistribution on error task execution starvation.
-- Ensure task queueing per worker condition is untangled from the pool busyness semantic.
+- Ensure tasks queueing per worker condition is untangled from the pool busyness semantic.
### Changed
### Added
-- Add safe helper `availableParallelism` to help sizing the pool.
+- Add safe helper `availableParallelism()` to help sizing the pool.
### Fixed
### Fixed
- Artificial version bump to 2.6.5 to workaround publication issue.
-- Ensure cluster pool destroy() gracefully shutdowns worker's server.
+- Ensure cluster pool `destroy()` gracefully shutdowns worker's server.
- Ensure pool event is emitted before task error promise rejection.
- Fix queued tasks count computation.
### Fixed
-- Ensure cluster pool destroy() gracefully shutdowns worker's server.
+- Ensure cluster pool `destroy()` gracefully shutdowns worker's server.
- Ensure pool event is emitted before task error promise rejection.
- Fix queued tasks count computation.
- Optimize worker alive status check.
- BREAKING CHANGE: Rename worker choice strategy `LESS_RECENTLY_USED` to `LESS_USED`.
- Optimize `LESS_USED` worker choice strategy.
-- Update benchmarks versus external threads pools.
+- Update benchmark versus external threads pools.
- Optimize tasks usage statistics requirements for worker choice strategy.
### Fixed
- Optimize worker alive status check.
- BREAKING CHANGE: Rename worker choice strategy `LESS_RECENTLY_USED` to `LESS_USED`.
- Optimize `LESS_USED` worker choice strategy.
-- Update benchmarks versus external threads pools.
+- Update benchmark versus external threads pools.
### Fixed
### Changed
- Optimize fair share task scheduling algorithm implementation.
-- Update benchmarks versus external pools results with latest version.
+- Update benchmark versus external pools results with latest version.
## [2.3.3] - 2022-10-15
repositories / poolifier.git / blobdiff