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Posted to issues@hbase.apache.org by "Hudson (Jira)" <ji...@apache.org> on 2021/05/04 13:36:00 UTC
[jira] [Commented] (HBASE-25838) Use double instead of Double in
StochasticLoadBalancer
[ https://issues.apache.org/jira/browse/HBASE-25838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17338992#comment-17338992 ]
Hudson commented on HBASE-25838:
--------------------------------
Results for branch master
[build #281 on builds.a.o|https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/master/281/]: (/) *{color:green}+1 overall{color}*
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(/) {color:green}+1 jdk11 hadoop3 checks{color}
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(/) {color:green}+1 source release artifact{color}
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> 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
> Assignee: Duo Zhang
> Priority: Major
>
> {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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