Making badger gc interval configuable

[zhangchiqing]

No description provided.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 41.31%. Comparing base (6e6c6cd) to head (ece2661).

Files with missing lines	Patch %	Lines
cmd/scaffold.go	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #7149      +/-   ##
==========================================
- Coverage   41.31%   41.31%   -0.01%     
==========================================
  Files        2164     2164              
  Lines      189596   189598       +2     
==========================================
- Hits        78337    78325      -12     
- Misses     104735   104749      +14     
  Partials     6524     6524              

Flag	Coverage Δ
unittests	41.31% <0.00%> (-0.01%)	⬇️

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