enhance: returning collection metadata from cache

[tedxu]

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Codecov Report

Attention: Patch coverage is 64.53488% with 61 lines in your changes missing coverage. Please review.

Project coverage is 78.91%. Comparing base (7f8c5c9) to head (375ac4e). Report is 21 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/proxy/service_provider.go	59.73%	57 Missing and 3 partials :warning:
internal/proxy/impl.go	66.66%	0 Missing and 1 partial :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #42823      +/-   ##
==========================================
- Coverage   78.92%   78.91%   -0.02%     
==========================================
  Files        1562     1563       +1     
  Lines      222891   223187     +296     
==========================================
+ Hits       175921   176129     +208     
- Misses      40575    40653      +78     
- Partials     6395     6405      +10     

Components	Coverage Δ
Client	79.46% <ø> (ø)
Core	73.85% <56.25%> (+0.06%)	:arrow_up:
Go	79.87% <68.60%> (-0.03%)	:arrow_down:

Files with missing lines	Coverage Δ
internal/proxy/meta_cache.go	88.72% <100.00%> (+0.15%)	:arrow_up:
pkg/util/paramtable/component_param.go	98.11% <100.00%> (+<0.01%)	:arrow_up:
internal/proxy/impl.go	74.47% <66.66%> (-0.11%)	:arrow_down:
internal/proxy/service_provider.go	59.73% <59.73%> (ø)

... and 46 files with indirect coverage changes

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/run-cpu-e2e

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[tedxu]

rerun go-sdk

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, tedxu

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Needs approval from an approver in each of these files:

• ~~client/OWNERS~~ [congqixia,tedxu]
• ~~internal/proxy/OWNERS~~ [congqixia,tedxu]
• ~~pkg/util/OWNERS~~ [congqixia,tedxu]
• ~~tests/OWNERS~~ [congqixia,tedxu]

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