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base repository: dropwizard/metrics
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  • 6 commits
  • 42 files changed
  • 4 contributors

Commits on Aug 31, 2025

  1. [maven-release-plugin] prepare for next development iteration

    @joschi @dropwizard-committers
    joschi authored and dropwizard-committers committed Aug 31, 2025
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Commits on Sep 8, 2025

  1. chore(deps): update actions/stale action to v10 (#4938) 

    Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
    @renovate
    renovate[bot] authored Sep 8, 2025
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  2. fix(deps): update jetty monorepo to v12.1.1 (#4940) 

    Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
    @renovate
    renovate[bot] authored Sep 8, 2025
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Commits on Sep 15, 2025

  1. chore(deps): update maven plugins (#4942) 

    Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
    @renovate
    renovate[bot] authored Sep 15, 2025
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  2. Optimize SlidingTimeWindowMovingAverages sumBuckets (#4936) (#4943) 

    `SlidingTimeWindowMovingAverages` `sumBuckets()` method could be optimized to perform indexed list access and remove allocations as it currently allocates a `LongAdder` as well as one or two streams. If one is using the 1, 5, or 15 minute rates on hot paths, these can be unnecessary expensive allocations as well as less optimized computations.

We can avoid the allocations completely and accumulate the sum directly to a `long` via optimized direct indexed list access.


[MovingAverageBenchmarks](https://github.com/palantir/tritium/blob/davids/OptimizedSlidingTimeWindowMovingAverages/tritium-jmh/src/jmh/java/com/palantir/tritium/microbenchmarks/MovingAverageBenchmarks.java) demonstrates the difference in implementations in both execution time (22x faster) and allocations:


```
Benchmark                                             (recordings)                                    (type)  Mode  Cnt     Score     Error   Units
MovingAverageBenchmarks.getM1Rate                               10           SlidingTimeWindowMovingAverages  avgt   20  1364.969 ±  12.040   ns/op
MovingAverageBenchmarks.getM1Rate:gc.alloc.rate.norm            10           SlidingTimeWindowMovingAverages  avgt   20   688.037 ±   0.001    B/op
MovingAverageBenchmarks.getM1Rate                               10  OptimizedSlidingTimeWindowMovingAverages  avgt   20    59.182 ±   0.343   ns/op
MovingAverageBenchmarks.getM1Rate:gc.alloc.rate.norm            10  OptimizedSlidingTimeWindowMovingAverages  avgt   20     0.002 ±   0.001    B/op
MovingAverageBenchmarks.getM1Rate                             1000           SlidingTimeWindowMovingAverages  avgt   20  1401.864 ± 107.134   ns/op
MovingAverageBenchmarks.getM1Rate:gc.alloc.rate.norm          1000           SlidingTimeWindowMovingAverages  avgt   20   688.038 ±   0.003    B/op
MovingAverageBenchmarks.getM1Rate                             1000  OptimizedSlidingTimeWindowMovingAverages  avgt   20    61.157 ±   1.393   ns/op
MovingAverageBenchmarks.getM1Rate:gc.alloc.rate.norm          1000  OptimizedSlidingTimeWindowMovingAverages  avgt   20     0.002 ±   0.001    B/op
```

Co-authored-by: David Schlosnagle <[email protected]>
    @joschi @schlosna
    joschi and schlosna authored Sep 15, 2025
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  3. [maven-release-plugin] prepare release v5.0.5

    @joschi @dropwizard-committers
    joschi authored and dropwizard-committers committed Sep 15, 2025
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