improve raft module by javeme · Pull Request #1802 · apache/hugegraph

@@             Coverage Diff              @@
##             master    #1802      +/-   ##
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+ Coverage     66.91%   70.85%   +3.93%     
  Complexity      978      978              
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  Files           446      446              
  Lines         37781    37786       +5     
  Branches       5380     5380              
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+ Hits          25281    26773    +1492     
+ Misses         9776     8291    -1485     
+ Partials       2724     2722       -2