[slack-22.0] forward-fit: Allow setting grpc send and recv message sizes independe…

[tanjinx]

…ntly (#481) (#540)

• Allow setting grpc send and recv message sizes independently (Allow setting grpc send and recv message sizes independently #481)

• Allow setting grpc send and recv message sizes independently

• Add comments

• Update .txt files

• update help txt ordering

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• remove vtgr

• fix test

• fix spaces

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Description

forward-port:
#540

Related Issue(s)

Checklist

• "Backport to:" labels have been added if this change should be back-ported to release branches
• If this change is to be back-ported to previous releases, a justification is included in the PR description
• Tests were added or are not required
• Did the new or modified tests pass consistently locally and on CI?
• Documentation was added or is not required

Deployment Notes

AI Disclosure

[codecov-commenter]

Codecov Report

❌ Patch coverage is 89.47368% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 69.75%. Comparing base (b1ab347) to head (48d83de).
⚠️ Report is 27 commits behind head on slack-22.0.

Files with missing lines	Patch %	Lines
go/vt/grpccommon/options.go	80.00%	2 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff               @@
##           slack-22.0     #787      +/-   ##
==============================================
+ Coverage       67.53%   69.75%   +2.22%     
==============================================
  Files            1600     1605       +5     
  Lines          261782   213624   -48158     
==============================================
- Hits           176786   149019   -27767     
+ Misses          84996    64605   -20391     

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