X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=CHANGELOG.md;h=6732933f866dbbaa1766f154e042f48ca2b417c2;hb=0e502832d98443e291ea5558423ca0de86b96e13;hp=80df7b6ca94f3daf60b0c179773453d495edffa1;hpb=219d4044243f9faf9bdf2474c3484012dfa0fb89;p=poolifier.git diff --git a/CHANGELOG.md b/CHANGELOG.md index 80df7b6c..6732933f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -7,10 +7,195 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ## [Unreleased] +## [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 `KillHandler` type definition to exported types. + +### Added + +- Add `destroy` event to pool API. + +## [2.6.26] - 2023-08-15 + +### Added + +- 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. + +## [2.6.25] - 2023-08-13 + +### Added + +- HTTP server pool examples: fastify-cluster, fastify-hybrid. +- WebSocket server pool examples: ws-cluster, ws-hybrid. + +## [2.6.24] - 2023-08-12 + ### Added - Add array of transferable objects to the `execute()` method arguments. -- WebSocket server pool examples: ws +- WebSocket server pool examples: ws-worker_threads. ## [2.6.23] - 2023-08-11 @@ -21,7 +206,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ### Added - HTTP client pool examples: fetch, node-fetch and axios with multiple task functions. -- HTTP server pool examples: express, fastify. +- HTTP server pool examples: express-worker_threads, fastify-worker_threads. ## [2.6.22] - 2023-08-10 @@ -45,7 +230,7 @@ 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 @@ -67,7 +252,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0 ### Added -- Add `listTaskFunctions()` method to worker class. +- Add `listTaskFunctions()` method to worker API. ## [2.6.16] - 2023-07-12 @@ -153,7 +338,7 @@ 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 @@ -168,7 +353,7 @@ 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. @@ -184,7 +369,7 @@ 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.