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Posted to issues@hbase.apache.org by "Ray Mattingly (Jira)" <ji...@apache.org> on 2025/01/27 17:56:00 UTC

[jira] [Updated] (HBASE-29073) StochasticLoadBalancer will always run the balancer on startup because of uninitialized sumMultiplier

     [ https://issues.apache.org/jira/browse/HBASE-29073?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ray Mattingly updated HBASE-29073:
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    Summary: StochasticLoadBalancer will always run the balancer on startup because of uninitialized sumMultiplier  (was: StochasticLoadBalancer has NPE potential for sumMultiplier field)

> StochasticLoadBalancer will always run the balancer on startup because of uninitialized sumMultiplier
> -----------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-29073
>                 URL: https://issues.apache.org/jira/browse/HBASE-29073
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.6.1
>            Reporter: Ray Mattingly
>            Assignee: Ray Mattingly
>            Priority: Major
>              Labels: pull-request-available
>
> In the StochasticLoadBalancer we use [the sumMultiplier|https://github.com/apache/hbase/blob/master/hbase-balancer/src/main/java/org/apache/hadoop/hbase/master/balancer/StochasticLoadBalancer.java#L389-L407] field before it is certainly initialized. We should use a local field instead which will be less fragile



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