forked from mirror/client_golang
203 lines
10 KiB
Markdown
203 lines
10 KiB
Markdown
## 0.9.3 / 2019-05-16
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* [CHANGE] Required Go version is now 1.9+. #561
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* [FEATURE] API client: Add POST with get fallback for Query/QueryRange. #557
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* [FEATURE] API client: Add alerts endpoint. #552
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* [FEATURE] API client: Add rules endpoint. #508
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* [FEATURE] push: Add option to pick metrics format. #540
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* [ENHANCEMENT] Limit time the Go collector may take to collect memstats,
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returning results from the previous collection in case of a timeout. #568
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* [ENHANCEMENT] Pusher now requires only a thin interface instead of a full
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`http.Client`, facilitating mocking and custom HTTP client implementation.
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#559
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* [ENHANCEMENT] Memory usage improvement for histograms and summaries without
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objectives. #536
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* [ENHANCEMENT] Summaries without objectives are now lock-free. #521
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* [BUGFIX] promhttp: `InstrumentRoundTripperTrace` now takes into account a pre-set context. #582
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* [BUGFIX] `TestCounterAddLarge` now works on all platforms. #567
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* [BUGFIX] Fix `promhttp` examples. #535 #544
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* [BUGFIX] API client: Wait for done before writing to shared response
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body. #532
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* [BUGFIX] API client: Deal with discovered labels properly. #529
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## 0.9.2 / 2018-12-06
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* [FEATURE] Support for Go modules. #501
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* [FEATURE] `Timer.ObserveDuration` returns observed duration. #509
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* [ENHANCEMENT] Improved doc comments and error messages. #504
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* [BUGFIX] Fix race condition during metrics gathering. #512
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* [BUGFIX] Fix testutil metric comparison for Histograms and empty labels. #494
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#498
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## 0.9.1 / 2018-11-03
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* [FEATURE] Add `WriteToTextfile` function to facilitate the creation of
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*.prom files for the textfile collector of the node exporter. #489
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* [ENHANCEMENT] More descriptive error messages for inconsistent label
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cardinality. #487
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* [ENHANCEMENT] Exposition: Use a GZIP encoder pool to avoid allocations in
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high-frequency scrape scenarios. #366
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* [ENHANCEMENT] Exposition: Streaming serving of metrics data while encoding.
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#482
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* [ENHANCEMENT] API client: Add a way to return the body of a 5xx response.
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#479
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## 0.9.0 / 2018-10-15
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* [CHANGE] Go1.6 is no longer supported.
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* [CHANGE] More refinements of the `Registry` consistency checks: Duplicated
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labels are now detected, but inconsistent label dimensions are now allowed.
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Collisions with the “magic” metric and label names in Summaries and
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Histograms are detected now. #108 #417 #471
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* [CHANGE] Changed `ProcessCollector` constructor. #219
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* [CHANGE] Changed Go counter `go_memstats_heap_released_bytes_total` to gauge
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`go_memstats_heap_released_bytes`. #229
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* [CHANGE] Unexported `LabelPairSorter`. #453
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* [CHANGE] Removed the `Untyped` metric from direct instrumentation. #340
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* [CHANGE] Unexported `MetricVec`. #319
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* [CHANGE] Removed deprecated `Set` method from `Counter` #247
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* [CHANGE] Removed deprecated `RegisterOrGet` and `MustRegisterOrGet`. #247
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* [CHANGE] API client: Introduced versioned packages.
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* [FEATURE] A `Registerer` can be wrapped with prefixes and labels. #357
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* [FEATURE] “Describe by collect” helper function. #239
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* [FEATURE] Added package `testutil`. #58
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* [FEATURE] Timestamp can be explicitly set for const metrics. #187
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* [FEATURE] “Unchecked” collectors are possible now without cheating. #47
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* [FEATURE] Pushing to the Pushgateway reworked in package `push` to support
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many new features. (The old functions are still usable but deprecated.) #372
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#341
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* [FEATURE] Configurable connection limit for scrapes. #179
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* [FEATURE] New HTTP middlewares to instrument `http.Handler` and
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`http.RoundTripper`. The old middlewares and the pre-instrumented `/metrics`
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handler are (strongly) deprecated. #316 #57 #101 #224
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* [FEATURE] “Currying” for metric vectors. #320
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* [FEATURE] A `Summary` can be created without quantiles. #118
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* [FEATURE] Added a `Timer` helper type. #231
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* [FEATURE] Added a Graphite bridge. #197
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* [FEATURE] Help strings are now optional. #460
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* [FEATURE] Added `process_virtual_memory_max_bytes` metric. #438 #440
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* [FEATURE] Added `go_gc_cpu_fraction` and `go_threads` metrics. #281 #277
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* [FEATURE] Added `promauto` package with auto-registering metrics. #385 #393
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* [FEATURE] Add `SetToCurrentTime` method to `Gauge`. #259
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* [FEATURE] API client: Add AlertManager, Status, and Target methods. #402
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* [FEATURE] API client: Add admin methods. #398
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* [FEATURE] API client: Support series API. #361
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* [FEATURE] API client: Support querying label values.
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* [ENHANCEMENT] Smarter creation of goroutines during scraping. Solves memory
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usage spikes in certain situations. #369
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* [ENHANCEMENT] Counters are now faster if dealing with integers only. #367
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* [ENHANCEMENT] Improved label validation. #274 #335
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* [BUGFIX] Creating a const metric with an invalid `Desc` returns an error. #460
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* [BUGFIX] Histogram observations don't race any longer with exposition. #275
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* [BUGFIX] Fixed goroutine leaks. #236 #472
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* [BUGFIX] Fixed an error message for exponential histogram buckets. #467
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* [BUGFIX] Fixed data race writing to the metric map. #401
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* [BUGFIX] API client: Decode JSON on a 4xx respons but do not on 204
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responses. #476 #414
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## 0.8.0 / 2016-08-17
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* [CHANGE] Registry is doing more consistency checks. This might break
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existing setups that used to export inconsistent metrics.
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* [CHANGE] Pushing to Pushgateway moved to package `push` and changed to allow
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arbitrary grouping.
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* [CHANGE] Removed `SelfCollector`.
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* [CHANGE] Removed `PanicOnCollectError` and `EnableCollectChecks` methods.
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* [CHANGE] Moved packages to the prometheus/common repo: `text`, `model`,
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`extraction`.
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* [CHANGE] Deprecated a number of functions.
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* [FEATURE] Allow custom registries. Added `Registerer` and `Gatherer`
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interfaces.
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* [FEATURE] Separated HTTP exposition, allowing custom HTTP handlers (package
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`promhttp`) and enabling the creation of other exposition mechanisms.
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* [FEATURE] `MustRegister` is variadic now, allowing registration of many
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collectors in one call.
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* [FEATURE] Added HTTP API v1 package.
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* [ENHANCEMENT] Numerous documentation improvements.
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* [ENHANCEMENT] Improved metric sorting.
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* [ENHANCEMENT] Inlined fnv64a hashing for improved performance.
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* [ENHANCEMENT] Several test improvements.
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* [BUGFIX] Handle collisions in MetricVec.
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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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