Optimize IndexCoord scheduler loop

[xiaocai2333]

Signed-off-by: cai.zhang [email protected] /kind improvement

[mergify[bot]]

@xiaocai2333 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify[bot]]

@xiaocai2333 ut workflow job failed, comment rerun ut can trigger the job again.

[xiaocai2333]

rerun ut

[mergify[bot]]

@xiaocai2333 ut workflow job failed, comment rerun ut can trigger the job again.

[xiaocai2333]

rerun ut

[codecov[bot]]

Codecov Report

Merging #19375 (13b5c42) into master (432b5dd) will decrease coverage by 0.08%. The diff coverage is 57.97%.

@@            Coverage Diff             @@
##           master   #19375      +/-   ##
==========================================
- Coverage   80.51%   80.43%   -0.09%     
==========================================
  Files         675      675              
  Lines       94389    94555     +166     
==========================================
+ Hits        75999    76052      +53     
- Misses      15165    15260      +95     
- Partials     3225     3243      +18     

Impacted Files	Coverage Δ
internal/indexnode/taskinfo_ops.go	95.52% <ø> (ø)
internal/metastore/catalog.go	100.00% <ø> (ø)
internal/kv/mocks/TxnKV.go	16.10% <18.03%> (+16.10%)	:arrow_up:
internal/indexnode/task.go	54.21% <28.00%> (ø)
internal/metastore/kv/datacoord/kv_catalog.go	79.22% <72.72%> (-0.86%)	:arrow_down:
internal/indexnode/indexnode_service.go	89.91% <85.71%> (+0.13%)	:arrow_up:
internal/indexcoord/flush_segment_watcher.go	94.71% <92.00%> (-1.31%)	:arrow_down:
internal/indexcoord/garbage_collector.go	92.93% <92.85%> (+1.17%)	:arrow_up:
internal/indexcoord/index_builder.go	98.96% <95.71%> (-0.78%)	:arrow_down:
internal/indexcoord/node_manager.go	85.15% <100.00%> (-0.12%)	:arrow_down:
... and 22 more

[mergify[bot]]

@xiaocai2333 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[mergify[bot]]

@xiaocai2333 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[xiaocai2333]

rerun ut

[czs007]

/approve /lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, xiaocai2333

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Needs approval from an approver in each of these files:

• ~~internal/indexcoord/OWNERS~~ [czs007]
• ~~internal/indexnode/OWNERS~~ [czs007]

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