Improve metric contention perf #8077
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jack-berg
commented
Feb 12, 2026
| // (AggregatorHolder), and so if a recording thread encounters an odd value, | ||
| // all it needs to do is release the "read lock" it just obtained (decrementing by 2), | ||
| // and then grab and record against the new current interval (AggregatorHolder). | ||
| private final AtomicInteger activeRecordingThreads = new AtomicInteger(0); |
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TODO: update javadoc comments to reflect current design before merging
jack-berg
commented
Feb 12, 2026
| forThread().unlock(); | ||
| } | ||
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| @SuppressWarnings("ThreadPriorityCheck") |
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TODO: remove leftover annotation from a previous revision
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #8077 +/- ##
============================================
+ Coverage 90.20% 90.21% +0.01%
- Complexity 7594 7595 +1
============================================
Files 841 841
Lines 22915 22943 +28
Branches 2290 2296 +6
============================================
+ Hits 20670 20698 +28
- Misses 1529 1531 +2
+ Partials 716 714 -2 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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DoubleExplicitBucketHistogramAggregatorlocking mechanism to use a striped set of cells approach.Summary view of perf changes to
MetricRecordBenchmarkops/son my machine:Raw benchmark output before and after
Before (on my machine):
After (on my machine):