ningboliu commented on issue #12117:
URL: https://github.com/apache/dubbo/issues/12117#issuecomment-1516457823
Because the bound of pos2 is ( length - 1 ), in order to ensure the balance
as much as possible, it should add 1 if pos2 is greater than or equal to pos1
, otherwise it will never get the last invoker. This is an alternative to
`while ( pos1 != (pos2 = ThreadLocalRandom.current().nextInt( length - 1))) {
break;
}`
, and the performance is generally better
I don't know if I made it clearly
@AlbumenJ @MangerLe
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