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@Pramodh-G
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Part of #7923.

Since it has been two releases after #8283 is merged, we can introduceInitialStreamWindowSize on both server and client, while deprecating InitialWindowSize.

RELEASE NOTES:

  • grpc: Introduce new ServerOption and ClientOption to set stream window size without disabling BDP estimation.

  • grpc: Behavior change in WithInitialWindowSize in ClientOption and InitialWindowSize in ServerOption. Using these options will no longer disable BDP estimation. To explicitly disable BDP estimation, please use `StaticStreamWindowSize options.

  • grpc: Mark WithInitialWindowSize for deprecation, to be replaced with WithInitialStreamWindowSize in ClientOption. Similarly, for InitialWindowSize inServerOption to be replaced with InitialStreamWindowSize.

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linux-foundation-easycla bot commented Oct 21, 2025

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The committers listed above are authorized under a signed CLA.

Part of grpc#7923.

Since it has been two releases after grpc#8283 is merged, we can
introduce InitialStreamWindowSize on both server and client, while
deprecating InitialWindowSize.

RELEASE NOTES:

* grpc: Introduce new ServerOption and ClientOption to set stream
window size without disabling BDP estimation.

* grpc: Behavior change in WithInitialWindowSize in ClientOption
and InitialWindowSize in ServerOption. Using these options will no
longer disable BDP estimation. To explicitly disable BDP estimation,
please use *StaticStreamWindowSize options.

* grpc: Mark WithInitialWindowSize for deprecation, to be replaced
with WithInitialStreamWindowSize in ClientOption. Similarly, for
InitialWindowSize inServerOption to be replaced with InitialStreamWindowSize.
@eshitachandwani
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@Pramodh-G , the tests seem to be failing , could you please make sure that the tests are passing before we review it?

@eshitachandwani eshitachandwani added this to the 1.77 Release milestone Oct 22, 2025
@eshitachandwani eshitachandwani added the Type: Behavior Change Behavior changes not categorized as bugs label Oct 22, 2025
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codecov bot commented Oct 22, 2025

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.99%. Comparing base (f448a97) to head (6049a80).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files
@@            Coverage Diff             @@
##           master    #8665      +/-   ##
==========================================
+ Coverage   81.97%   81.99%   +0.02%     
==========================================
  Files         417      417              
  Lines       40788    40806      +18     
==========================================
+ Hits        33435    33459      +24     
+ Misses       5991     5957      -34     
- Partials     1362     1390      +28     
Files with missing lines Coverage Δ
dialoptions.go 91.22% <100.00%> (+1.90%) ⬆️
server.go 82.14% <100.00%> (+0.23%) ⬆️

... and 24 files with indirect coverage changes

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  • ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

@Pramodh-G
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@eshitachandwani / @dfawley: Please take a look. Tests are passing now.

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2 participants