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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/11/08 04:17:30 UTC

[GitHub] [incubator-druid] jihoonson commented on issue #6112: Prohibit LinkedList

jihoonson commented on issue #6112: Prohibit LinkedList
URL: https://github.com/apache/incubator-druid/pull/6112#issuecomment-551377647
 
 
   @SEKIRO-J the thing is, iterating on the linked list is expensive because it's iterating through pointers. Even though the time complexity of remove() is O(1), iteration is the most popular operation for the list. I think prohibiting using LinkedList by default is to make you sure that you really need to use it and what is the benefit of using it.

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