MEP-30:Support basic coordinators active-standby mechanism

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Signed-off-by: wayblink [email protected]

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Codecov Report

Merging #19166 (5ff594a) into master (9dcee37) will decrease coverage by 0.26%. The diff coverage is 87.56%.

@@            Coverage Diff             @@
##           master   #19166      +/-   ##
==========================================
- Coverage   81.04%   80.78%   -0.27%     
==========================================
  Files         668      668              
  Lines       94680    94843     +163     
==========================================
- Hits        76736    76617     -119     
- Misses      14698    14966     +268     
- Partials     3246     3260      +14     

Impacted Files	Coverage Δ
internal/indexcoord/index_coord.go	71.83% <76.19%> (-1.66%)	:arrow_down:
internal/util/sessionutil/session_util.go	84.24% <79.56%> (-1.47%)	:arrow_down:
internal/datacoord/server.go	77.00% <100.00%> (-0.06%)	:arrow_down:
internal/querycoord/query_coord.go	77.41% <100.00%> (+0.03%)	:arrow_up:
internal/rootcoord/root_coord.go	77.10% <100.00%> (+0.20%)	:arrow_up:
internal/util/paramtable/component_param.go	87.99% <100.00%> (+0.27%)	:arrow_up:
internal/querycoordv2/meta/coordinator_broker.go	34.42% <0.00%> (-32.79%)	:arrow_down:
internal/querycoordv2/utils/types.go	78.12% <0.00%> (-21.88%)	:arrow_down:
internal/indexnode/chunk_mgr_factory.go	60.00% <0.00%> (-20.00%)	:arrow_down:
internal/querynode/impl_utils.go	0.00% <0.00%> (-17.40%)	:arrow_down:
... and 27 more

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

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

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