prometheus: Fix convention violating names for generated collector metrics #1048
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bwplotka
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Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>
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Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>
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…trics (#1048) * Fix convention violating names for generated collector metrics Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Add new Go collector example Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com>
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* Cut v1.12.0 Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Bump the day Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Make the Go 1.17 collector thread-safe (#969) * Use simpler locking in the Go 1.17 collector (#975) A previous PR made it so that the Go 1.17 collector locked only around uses of rmSampleBuf, but really that means that Metric values may be sent over the channel containing some values from future metrics.Read calls. While generally-speaking this isn't a problem, we lose any consistency guarantees provided by the runtime/metrics package. Also, that optimization to not just lock around all of Collect was premature. Truthfully, Collect is called relatively infrequently, and its critical path is fairly fast (10s of µs). To prove it, this change also adds a benchmark. name old time/op new time/op delta GoCollector-16 43.7µs ± 2% 43.2µs ± 2% ~ (p=0.190 n=9+9) Note that because the benchmark is single-threaded it actually looks like it might be getting *slightly* faster, because all those Collect calls for the Metrics are direct calls instead of interface calls. Signed-off-by: Michael Anthony Knyszek <mknyszek@google.com> * API client: make http reads more efficient (#976) Replace `io.ReadAll` with `bytes.Buffer.ReadFrom`. Both need to resize a buffer until they have finished reading; the former increases by 1.25x each time while the latter uses 2x. Also added a benchmark to demonstrate the benefit: name old time/op new time/op delta Client/4KB-8 35.9µs ± 4% 35.3µs ± 3% ~ (p=0.310 n=5+5) Client/50KB-8 83.1µs ± 8% 69.5µs ± 1% -16.37% (p=0.008 n=5+5) Client/1000KB-8 891µs ± 6% 750µs ± 0% -15.83% (p=0.016 n=5+4) Client/2000KB-8 1.74ms ± 2% 1.35ms ± 1% -22.72% (p=0.008 n=5+5) name old alloc/op new alloc/op delta Client/4KB-8 20.2kB ± 0% 20.4kB ± 0% +1.26% (p=0.008 n=5+5) Client/50KB-8 218kB ± 0% 136kB ± 0% -37.65% (p=0.008 n=5+5) Client/1000KB-8 5.88MB ± 0% 2.11MB ± 0% -64.10% (p=0.008 n=5+5) Client/2000KB-8 11.7MB ± 0% 4.2MB ± 0% -63.93% (p=0.008 n=5+5) name old allocs/op new allocs/op delta Client/4KB-8 75.0 ± 0% 72.0 ± 0% -4.00% (p=0.008 n=5+5) Client/50KB-8 109 ± 0% 98 ± 0% -10.09% (p=0.079 n=4+5) Client/1000KB-8 617 ± 0% 593 ± 0% -3.89% (p=0.008 n=5+5) Client/2000KB-8 1.13k ± 0% 1.09k ± 0% -3.27% (p=0.008 n=5+5) Signed-off-by: Bryan Boreham <bjboreham@gmail.com> * Reduce granularity of histogram buckets for Go 1.17 collector (#974) The Go runtime/metrics package currently exports extremely granular histograms. Exponentially bucket any histogram with unit "seconds" or "bytes" instead to dramatically reduce the number of buckets, and thus the number of metrics. This change also adds a test to check for expected cardinality to prevent cardinality surprises in the future. Signed-off-by: Michael Anthony Knyszek <mknyszek@google.com> * Cut v1.12.1 (#978) * Cut v1.12.1 Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Apply review suggestions Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Fix deprecated `NewBuildInfoCollector` API Update `examples/random/main.go`: `prometheus.NewBuildInfoCollector` is deprecated. Use `collectors.NewBuildInfoCollector` instead. Signed-off-by: alissa-tung <alissa-tung@outlook.com> * gocollector: Added options to Go Collector for changing the (#1031) * Renamed files. Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * gocollector: Added options to Go Collector for diffetent collections. Fixes #983 Also: * fixed TestMemStatsEquivalence, it was noop before (: * Removed gc_cpu_fraction metric completely, since it's not working completely for Go1.17+ Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * gocollector: Reverted client_golang v1.12 addition of runtime/metrics metrics by default. (#1033) Fixes #967 Signed-off-by: Bartlomiej Plotka <bwplotka@gmail.com> * prometheus: Fix convention violating names for generated collector metrics (#1048) * Fix convention violating names for generated collector metrics Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Add new Go collector example Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Remove -Inf buckets from go collector histograms (#1049) * Remove -Inf buckets from go collector histograms Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Update prometheus/collectors/go_collector_latest_test.go Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com> Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Simplify Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com> * Cut v1.12.2 (#1052) * Cut v1.12.2 Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Apply suggestions Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> * Update CHANGELOG.md Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com> Signed-off-by: Kemal Akkoyun <kakkoyun@gmail.com> Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com> Co-authored-by: Kemal Akkoyun <kakkoyun@gmail.com> Co-authored-by: Michael Knyszek <mknyszek@google.com> Co-authored-by: Bryan Boreham <bjboreham@gmail.com> Co-authored-by: Kemal Akkoyun <kakkoyun@users.noreply.github.com> Co-authored-by: alissa-tung <alissa-tung@outlook.com> Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com>
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Signed-off-by: Kemal Akkoyun kakkoyun@gmail.com
Fixes #1026
cc @chancez
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