[GitHub] [helix] i3wangyi commented on issue #662: Mitigate controller leadership switch latency - improve leader -> standby

[GitBox <gi...@apache.org>]

i3wangyi commented on issue #662: Mitigate controller leadership switch latency - improve leader -> standby
URL: https://github.com/apache/helix/pull/662#issuecomment-572805514
 
 
   > Logically, it sounds good to me. But I think this is not the majority contribution in LeaderSwitch when controller is trying acquiring leadership, right?
   > 
   > How much it reduces the overhead?
   
   No, the optimization is for leader -> standby, one data point shows a 10X latency improvement (from 1700ms -> 170ms); For optimizing the other part: standby -> leader, there're different options, I will explore them later. 

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