merge queue: embarking main (af4d531) and #6790 together#6800

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mergify[bot] wants to merge 15 commits intomainfrom mergify/merge-queue/c6ddc8ba85

+498-38

Commits on May 31, 2023

fix(security): Randomly drop connections when inbound service is overloaded

arya2
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teor2345
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Uses progressively higher drop probabilities

arya2
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teor2345
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Replaces Error::Overloaded with Fatal when internal services shutdown

arya2
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teor2345
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Applies suggestions from code review.

arya2
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teor2345
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Quickens initial drop probability decay and updates comment

arya2
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teor2345
committed
Applies suggestions from code review.

arya2
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teor2345
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Fixes drop connection probablity calc

arya2
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teor2345
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Update connection state metrics for different overload/error outcomes
teor2345
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Split overload handler into separate methods
teor2345
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Add unit test for drop probability function properties
teor2345
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Add respond_error methods to zebra-test to help with type resolution
teor2345
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Initial test that Overloaded errors cause some continues and some closes
teor2345
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Tune the number of test runs and test timing
teor2345
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Fix doctests and replace some confusing example requests
teor2345
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Merge of #6790
mergify[bot]
authored