115 lines
4.1 KiB
Markdown
115 lines
4.1 KiB
Markdown
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# Changelog
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All notable changes to this project will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [1.0.0](https://github.com/beam-telemetry/telemetry_poller/tree/v1.0.0)
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This release marks stability of the API. The library now requires Telemetry ~> 1.0.
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### Fixed
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- Fix disabling the default poller via application environment.
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### Changed
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- Drop support for OTP 20.
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## [0.5.1](https://github.com/beam-telemetry/telemetry_poller/tree/v0.5.1)
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### Added
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- Support `{:global, atom()}` and `{:via, module(), term()}` names for the poller process.
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## [0.5.0](https://github.com/beam-telemetry/telemetry_poller/tree/v0.5.0)
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### Added
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- `system_counts` measurement
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## [0.4.1](https://github.com/beam-telemetry/telemetry_poller/tree/v0.4.1)
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### Changed
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- Improve docs
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- No longer add a default name to telemetry processes
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## [0.4.0](https://github.com/beam-telemetry/telemetry_poller/tree/v0.4.0)
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Telemetry Poller has been rewritten in Erlang so it can be used by the overall Erlang community.
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Therefore, the `Telemetry.Poller` module must now be accessed as `telemetry_poller`.
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A new `process_info` measurement has also been added and the `vm_measurements` and `measurements`
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keys have been merged into a single `measurements` key for simplicity.
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### Added
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- `:process_info` measurement
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### Changed
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- `vm_measurements` and `measurements` have been merged into `measurements`
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- `Telemetry.Poller` has been rewritten to `telemetry_poller`
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## [0.3.0](https://github.com/beam-telemetry/telemetry_poller/tree/v0.3.0)
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This release marks the upgrade to Telemetry 0.4.0. This means that Poller measurements can emit a map
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of values now instead of a single one, making it less "noisy" when it comes to number of emitted events.
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All specific memory measurements have been replaced with a single `:memory` measurement sending all
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the values that were emitted by old measurements at once.
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`:run_queue_lengths` VM measurement has been removed for now, as we believe that as detailed data
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as it provided is not necessary to effectively debug the system. `:total_run_queue_lengths` VM
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measurement has been changed so that it reports a `:total` length of run queues, length of `:cpu`
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run queues (including dirty CPU run queue), and length of (dirty) `:io` run queue.
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### Added
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- `:memory` VM measurement reporting all the data returned by `:erlang.memory/0` call.
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### Changed
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- `:total_run_queue_lengths` VM measurement is reporting a `:total`, `:cpu` and `:io` run queue lengths
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now. See documentation for more details.
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### Removed
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- `:total_memory`, `:atom_memory`, `:atom_used_memory`, `:processes_memory`, `:processes_used_memory`,
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`:binary_memory`, `:ets_memory`, `:code_memory` and `:system_memory` VM measurements have been removed.
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Please use the `:memory` measurement now instead.
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## [0.2.0](https://github.com/beam-telemetry/telemetry_poller/tree/v0.2.0)
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### Added
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- Added `:total_run_queue_lengths` and `:run_queue_lengths` memory measurements;
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### Changed
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- `:total_run_queue_lengths` is now included in the set of default VM measurements;
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- A default Poller process, with a default set of VM measurements, is started when `:telemetry_poller`
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application starts (configurable via `:telemetry.poller, :default` application environment).
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- VM measurements are now provided to Poller's `:vm_measurements` option. Passing atom `:default`
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to this option makes the Poller use a default set of VM measurements;
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- Telemetry has been upgraded to version 0.3, meaning that VM measurements now use this version to
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emit the events.
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### Removed
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- `Telemetry.Poller.vm_measurements/0` function has been removed in favor of `:vm_measurements`
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option.
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### Fixed
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- Fixed the type definition of `Telemetry.Poller.measurement/0` type - no Dialyzer warnings are
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emitted when running it on the project.
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## [0.1.0](https://github.com/beam-telemetry/telemetry_poller/tree/v0.1.0)
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### Added
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- The Poller process periodically invoking registered functions which emit Telemetry events.
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It supports VM memory measurements and custom measurements provided as MFAs.
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