enhance: disable reload partstats by config

[MrPresent-Han]

No description provided.

[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]

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

@@            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	Coverage Δ
internal/querynodev2/delegator/delegator.go	87.76% <0.00%> (-1.73%)	⬇️
internal/querynodev2/delegator/delegator_data.go	84.60% <0.00%> (+0.05%)	⬆️

... and 49 files with indirect coverage changes