X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=CHANGELOG.md;h=6cd21047cc543086772a815d6aba4bf7911ca5b6;hb=bb6280484da55d6e1a30aa3640c08b4a8b887b98;hp=6ac71e7c3013be7b954c20b9aab6e46a88f41cf6;hpb=d7af6e8c88ac0d28dbe94e191aae39ea21d09018;p=poolifier.git diff --git a/CHANGELOG.md b/CHANGELOG.md index 6ac71e7c..6cd21047 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -7,10 +7,126 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ## [Unreleased] +### Fixed + +- Ensure unused worker usage statistics are deleted at runtime. + +### Changed + +- Rename worker choice strategy options `choiceRetries` to `retries`. + +## [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 @@ -76,7 +192,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ### 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 @@ -184,7 +300,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ### Added -- Add safe helper `availableParallelism` to help sizing the pool. +- Add safe helper `availableParallelism()` to help sizing the pool. ### Fixed @@ -199,7 +315,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ### 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. @@ -215,7 +331,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ### 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.