lightning: unlimited grpc MaxCallRecvMsgSize for TikvImporter (#56771)

[ti-chi-bot]

This is an automated cherry-pick of #56771

What problem does this PR solve?

Issue Number: close #56114

Problem Summary: Currently, we comply with the default max-message-size=4MiB, but TiKVImporter may receive max 4k KV on each response, and each KV can be about 4KiB+, which exceeds the default limit easily.

What changed and how does it work?

Set grpc options MaxCallRecvMsgSize to math.MaxInt32 (2GiB), i.e., unlimited in most scenarios. This number also aligns with the default setting for MaxCallSendMsgSize in gRPC.

MaxCallRecvMsgSize is only for resource control and there will not be any extra memory consumption. Please refer to the discussions below.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No need to test

  • I checked and no code files have been changed.

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: D3Hunter, lance6716

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• br/pkg/lightning/OWNERS [D3Hunter,lance6716]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-12-03 08:57:43.872007393 +0000 UTC m=+1145251.491661909: ☑️ agreed by lance6716.
• 2024-12-11 02:28:36.387946763 +0000 UTC m=+405506.476749301: ☑️ agreed by D3Hunter.

[D3Hunter]

/retest

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Please upload report for BASE (release-7.5@bf0766b). Learn more about missing BASE report.

Additional details and impacted files

@@               Coverage Diff                @@
##             release-7.5     #57920   +/-   ##
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  Coverage               ?   72.1774%           
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  Branches               ?          0           
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  Hits                   ?     298119           
  Misses                 ?      94958           
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Flag	Coverage Δ
unit	72.1774% <0.0000%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
dumpling	52.9400% <0.0000%> (?)
parser	∅ <0.0000%> (?)
br	53.5538% <0.0000%> (?)

[lance6716]

/retest