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https://issues.apache.org/jira/browse/HBASE-29909?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HBASE-29909 started by Junegunn Choi.
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> RegionMover ignores configuration properties passed via -D on the command line
> ------------------------------------------------------------------------------
>
> Key: HBASE-29909
> URL: https://issues.apache.org/jira/browse/HBASE-29909
> Project: HBase
> Issue Type: Bug
> Reporter: Junegunn Choi
> Assignee: Junegunn Choi
> Priority: Minor
>
> h2. Problem
> When running RegionMover from the command line, Hadoop configuration
> properties passed via {{-D}} are silently ignored.
> For example:
> {code}
> hbase org.apache.hadoop.hbase.util.RegionMover -Dhbase.move.wait.max=600 -r
> host -o unload
> {code}
> The {{-Dhbase.move.wait.max=600}} has no effect.
> h2. Cause
> {{AbstractHBaseTool.doStaticMain}} calls
> {{ToolRunner.run(HBaseConfiguration.create(), this, args)}}, which correctly
> parses {{-D}} properties and sets them on the tool's {{Configuration}} via
> {{setConf()}}.
> However, {{RegionMover.processOptions}} then creates a {{new
> RegionMoverBuilder(hostname)}} using the single-argument constructor,
> discarding the configuration from ToolRunner.
> h2. Fix
> Change {{processOptions}} to pass the tool's existing configuration to the
> two-arg constructor:
> {code:java}
> rmbuilder = new RegionMoverBuilder(hostname, getConf());
> {code}
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