metadata: add ValueFromIncomingContext to more efficiently retrieve a single value #5596
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FromIncomingContext creates a copy of md every time. So even if you need a single header value you will get a value and an overhead for this. Many interceptors and user code doesn't need all values at a time.
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zasweq
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Sep 7, 2022
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@dfawley for a second reviewer. |
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dfawley
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dfawley
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dfawley
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Thank you for the contribution! |
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FromIncomingContext creates a copy of md every time.
So even if you need a single header value you will get a value and an overhead for this.
Many interceptors and user code doesn't need all values at a time.
I'd like also to add a helper to just check key existence.
RELEASE NOTES:
ValueFromIncomingContextto more efficiently retrieve a single value