Optimize context cancellation with pause command

[xinaxu]

No description provided.

[codecov]

Codecov Report

Attention: 10 lines in your changes are missing coverage. Please review.

Comparison is base (62ea8bb) 74.09% compared to head (4159129) 74.22%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #357      +/-   ##
==========================================
+ Coverage   74.09%   74.22%   +0.12%     
==========================================
  Files         142      143       +1     
  Lines        9366     9405      +39     
==========================================
+ Hits         6940     6981      +41     
+ Misses       1711     1709       -2     
  Partials      715      715              

Files	Coverage Δ
service/datasetworker/datasetworker.go	86.40% <100.00%> (+7.16%)	⬆️
service/datasetworker/statemonitor.go	77.77% <77.77%> (ø)

... and 2 files with indirect coverage changes

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