[jira] [Updated] (HBASE-25851) Make LoadBalancer not extend Configurable interface

["Duo Zhang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-25851?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang updated HBASE-25851:
------------------------------
    Summary: Make LoadBalancer not extend Configurable interface  (was: Make LoadBalancer not extend Configured interface)

> Make LoadBalancer not extend Configurable interface
> ---------------------------------------------------
>
>                 Key: HBASE-25851
>                 URL: https://issues.apache.org/jira/browse/HBASE-25851
>             Project: HBase
>          Issue Type: Sub-task
>         Environment: M
>            Reporter: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0-alpha-1, 2.5.0
>
>
> On master, LoadBalancer has a setClusterInfoProvider method and on branch-2, LoadBalancer has a setMasterServices method. Both ClusterInfoProvider and MasterServices could give a Configuration out so I do not think we need to expose another setConf method.
> When refactoring StochasticLoadBalancer, the initialization order is also a pain as after setConf, we will load a lot of configuration but at that time, the ClusterInfoProvider is not present, and easy to cause NPE...
> And it could also help simplity locking.



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