87 lines
4.2 KiB
Markdown
87 lines
4.2 KiB
Markdown
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## 0.7.0 / 2015-07-27
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* [CHANGE] Rename ExporterLabelPrefix to ExportedLabelPrefix.
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* [BUGFIX] Closed gaps in metric consistency check.
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* [BUGFIX] Validate LabelName/LabelSet on JSON unmarshaling.
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* [ENHANCEMENT] Document the possibility to create "empty" metrics in
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a metric vector.
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* [ENHANCEMENT] Fix and clarify various doc comments and the README.md.
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* [ENHANCEMENT] (Kind of) solve "The Proxy Problem" of http.InstrumentHandler.
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* [ENHANCEMENT] Change responseWriterDelegator.written to int64.
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## 0.6.0 / 2015-06-01
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* [CHANGE] Rename process_goroutines to go_goroutines.
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* [ENHANCEMENT] Validate label names during YAML decoding.
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* [ENHANCEMENT] Add LabelName regular expression.
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* [BUGFIX] Ensure alignment of struct members for 32-bit systems.
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## 0.5.0 / 2015-05-06
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* [BUGFIX] Removed a weakness in the fingerprinting aka signature code.
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This makes fingerprinting slower and more allocation-heavy, but the
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weakness was too severe to be tolerated.
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* [CHANGE] As a result of the above, Metric.Fingerprint is now returning
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a different fingerprint. To keep the same fingerprint, the new method
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Metric.FastFingerprint was introduced, which will be used by the
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Prometheus server for storage purposes (implying that a collision
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detection has to be added, too).
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* [ENHANCEMENT] The Metric.Equal and Metric.Before do not depend on
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fingerprinting anymore, removing the possibility of an undetected
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fingerprint collision.
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* [FEATURE] The Go collector in the exposition library includes garbage
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collection stats.
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* [FEATURE] The exposition library allows to create constant "throw-away"
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summaries and histograms.
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* [CHANGE] A number of new reserved labels and prefixes.
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## 0.4.0 / 2015-04-08
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* [CHANGE] Return NaN when Summaries have no observations yet.
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* [BUGFIX] Properly handle Summary decay upon Write().
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* [BUGFIX] Fix the documentation link to the consumption library.
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* [FEATURE] Allow the metric family injection hook to merge with existing
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metric families.
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* [ENHANCEMENT] Removed cgo dependency and conditional compilation of procfs.
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* [MAINTENANCE] Adjusted to changes in matttproud/golang_protobuf_extensions.
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## 0.3.2 / 2015-03-11
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* [BUGFIX] Fixed the receiver type of COWMetric.Set(). This method is
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only used by the Prometheus server internally.
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* [CLEANUP] Added licenses of vendored code left out by godep.
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## 0.3.1 / 2015-03-04
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* [ENHANCEMENT] Switched fingerprinting functions from own free list to
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sync.Pool.
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* [CHANGE] Makefile uses Go 1.4.2 now (only relevant for examples and tests).
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## 0.3.0 / 2015-03-03
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* [CHANGE] Changed the fingerprinting for metrics. THIS WILL INVALIDATE ALL
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PERSISTED FINGERPRINTS. IF YOU COMPILE THE PROMETHEUS SERVER WITH THIS
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VERSION, YOU HAVE TO WIPE THE PREVIOUSLY CREATED STORAGE.
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* [CHANGE] LabelValuesToSignature removed. (Nobody had used it, and it was
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arguably broken.)
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* [CHANGE] Vendored dependencies. Those are only used by the Makefile. If
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client_golang is used as a library, the vendoring will stay out of your way.
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* [BUGFIX] Remove a weakness in the fingerprinting for metrics. (This made
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the fingerprinting change above necessary.)
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* [FEATURE] Added new fingerprinting functions SignatureForLabels and
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SignatureWithoutLabels to be used by the Prometheus server. These functions
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require fewer allocations than the ones currently used by the server.
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## 0.2.0 / 2015-02-23
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* [FEATURE] Introduce new Histagram metric type.
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* [CHANGE] Ignore process collector errors for now (better error handling
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pending).
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* [CHANGE] Use clear error interface for process pidFn.
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* [BUGFIX] Fix Go download links for several archs and OSes.
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* [ENHANCEMENT] Massively improve Gauge and Counter performance.
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* [ENHANCEMENT] Catch illegal label names for summaries in histograms.
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* [ENHANCEMENT] Reduce allocations during fingerprinting.
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* [ENHANCEMENT] Remove cgo dependency. procfs package will only be included if
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both cgo is available and the build is for an OS with procfs.
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* [CLEANUP] Clean up code style issues.
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* [CLEANUP] Mark slow test as such and exclude them from travis.
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* [CLEANUP] Update protobuf library package name.
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* [CLEANUP] Updated vendoring of beorn7/perks.
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## 0.1.0 / 2015-02-02
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* [CLEANUP] Introduced semantic versioning and changelog. From now on,
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changes will be reported in this file.
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