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Posted to issues@hbase.apache.org by "Duo Zhang (Jira)" <ji...@apache.org> on 2021/05/03 14:29:00 UTC

[jira] [Created] (HBASE-25838) Use double instead of Double in StochasticLoadBalancer

Duo Zhang created HBASE-25838:
---------------------------------

             Summary: Use double instead of Double in StochasticLoadBalancer
                 Key: HBASE-25838
                 URL: https://issues.apache.org/jira/browse/HBASE-25838
             Project: HBase
          Issue Type: Sub-task
          Components: Balancer, Performance
            Reporter: Duo Zhang


{code}
  // to save and report costs to JMX
  private Double curOverallCost = 0d;
  private Double[] tempFunctionCosts;
  private Double[] curFunctionCosts;
{code}

It seems we never do null check on these field or the elements, so I do not see any reason we should use Double here. Just use double instead.



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