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Acquire the errorWindow mutex before reading ew.count to avoid a data race with concurrent add operations. The previous implementation used ew.count to size the reasons slice before acquiring the lock, allowing String and add to access ew.count concurrently under load.
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Acquire the errorWindow mutex before reading ew.count to avoid a data race with concurrent add operations.
The previous implementation used ew.count to size the reasons slice before acquiring the lock, allowing String and add to access ew.count concurrently under load.