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https://issues.apache.org/jira/browse/HBASE-26177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17394928#comment-17394928
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Clara Xiong commented on HBASE-26177:
-------------------------------------
I was thinking about it as an emergency tool for a forced run. But you are
right, if the default setting is different for cost functions, things could be
moved back. Thank you for catching this and I like the proposal.
> Add support to run balancer overriding current config
> -----------------------------------------------------
>
> Key: HBASE-26177
> URL: https://issues.apache.org/jira/browse/HBASE-26177
> Project: HBase
> Issue Type: Bug
> Components: Balancer
> Reporter: Clara Xiong
> Priority: Major
>
> At times we want a one-time run for balancer with specific aggressive configs
> such as recovering from a failure of half cluster. Currently some config are
> loaded dynamically but some don't. And it could be error prone when we try to
> restore the configs.
> With a dry run feature coming, we want to let user run a dry run with the
> overriding config to choose the config and then run it. The implementation
> becomes more straightforward if we allow overidding configs for both config
> and actual runs.
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