feat: [2.4]datacoord/node watch based on rpc

[yiwangdr]

issue: #25309

[mergify]

@yiwangdr Please associate the related pr of master to the body of your Pull Request. (eg. “pr: #”)

[mergify]

@yiwangdr E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[codecov]

Codecov Report

Attention: Patch coverage is 82.39437% with 200 lines in your changes are missing coverage. Please review.

Project coverage is 81.43%. Comparing base (15b7874) to head (d80de78).
Report is 16 commits behind head on 2.4.

Additional details and impacted files

@@            Coverage Diff             @@
##              2.4   #32558      +/-   ##
==========================================
- Coverage   81.75%   81.43%   -0.32%     
==========================================
  Files         998     1000       +2     
  Lines      125516   125258     -258     
==========================================
- Hits       102615   102005     -610     
- Misses      19037    19334     +297     
- Partials     3864     3919      +55     

Files	Coverage Δ
internal/datacoord/channel_manager_factory.go	100.00% <100.00%> (ø)
internal/datacoord/session.go	84.61% <ø> (ø)
internal/datanode/data_node.go	82.20% <100.00%> (+0.78%)	⬆️
internal/datanode/event_manager.go	80.16% <100.00%> (-4.55%)	⬇️
internal/distributed/datanode/service.go	82.92% <100.00%> (ø)
pkg/util/conc/pool.go	88.13% <100.00%> (-0.20%)	⬇️
pkg/util/paramtable/component_param.go	98.44% <100.00%> (+<0.01%)	⬆️
tests/integration/minicluster_v2.go	72.72% <100.00%> (+0.20%)	⬆️
internal/datacoord/services.go	85.76% <50.00%> (+0.02%)	⬆️
internal/distributed/datacoord/service.go	88.83% <50.00%> (ø)
... and 10 more

... and 153 files with indirect coverage changes

[yiwangdr]

/run-cpu-e2e

[xiaofan-luan]

keep it open

[xiaofan-luan]

@yiwangdr
please help on rebasing it and merge

[yiwangdr]

@yiwangdr please help on rebasing it and merge

Sure. Is 2.4 branch still alive though?
Could you help to merge master #32036?

[mergify]

@yiwangdr ut workflow job failed, comment rerun ut can trigger the job again.

[yiwangdr]

rerun ut

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[yiwangdr]

/run-cpu-e2e