perf: bound header buffers and reuse builders in StreamMessageProducer #903
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Replace nullable builders with reusable instances to reduce allocations during header scan; avoid repeated StringBuilder creation.
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jonahgraham
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Nov 19, 2025
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Following on from discussions in #902 it is not obvious that there are performance improvements here. However I like this change as it simplifies null analysis. I quite prefer final variables over non-final whenever possible 😄
I approve, but I am going to hold off submitting until conversations in #902 are resolved.
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Replace nullable builders with reusable instances to reduce allocations during header scan; avoid repeated StringBuilder creation.