enhance: disable reload partstats by config

[xiaofan-luan]

/lgtm /approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: MrPresent-Han, xiaofan-luan

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 81.76%. Comparing base (967cfb3) to head (ae1f1d2). Report is 23 commits behind head on master.

Additional details and impacted files

[](https://app.codecov.io/gh/milvus-io/milvus/pull/32702?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io) ```diff @@ Coverage Diff @@ ## master #32702 +/- ## ========================================== + Coverage 81.72% 81.76% +0.03% ========================================== Files 998 998 Lines 124044 124212 +168 ========================================== + Hits 101374 101559 +185 + Misses 18799 18788 -11 + Partials 3871 3865 -6 ``` | [Files](https://app.codecov.io/gh/milvus-io/milvus/pull/32702?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io) | Coverage Δ | | |---|---|---| | [internal/querynodev2/delegator/delegator.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32702?src=pr&el=tree&filepath=internal%2Fquerynodev2%2Fdelegator%2Fdelegator.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcXVlcnlub2RldjIvZGVsZWdhdG9yL2RlbGVnYXRvci5nbw==) | `87.76% <0.00%> (-1.73%)` | :arrow_down: | | [internal/querynodev2/delegator/delegator\_data.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32702?src=pr&el=tree&filepath=internal%2Fquerynodev2%2Fdelegator%2Fdelegator_data.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcXVlcnlub2RldjIvZGVsZWdhdG9yL2RlbGVnYXRvcl9kYXRhLmdv) | `84.60% <0.00%> (+0.05%)` | :arrow_up: | ... and [49 files with indirect coverage changes](https://app.codecov.io/gh/milvus-io/milvus/pull/32702/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io)