[jira] [Created] (HBASE-26290) Add Admin and shell method to dynamically update master configurations

["Bryan Beaudreault (Jira)" <ji...@apache.org>]

Bryan Beaudreault created HBASE-26290:
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             Summary: Add Admin and shell method to dynamically update master configurations
                 Key: HBASE-26290
                 URL: https://issues.apache.org/jira/browse/HBASE-26290
             Project: HBase
          Issue Type: Improvement
            Reporter: Bryan Beaudreault


It's possible to update master configuration by using update_config '<master servername>', or use update_all_config to update all regionservers and masters. The former is annoying because you need to find the master's full servername. Unlike regionservers, this is sort of hard to find. The latter is not great because it has to iterate ALL servers in the cluster, which might take a while for large clusters and not be what you want generally.

We should add an option to reload all master configurations. I could imagine this as a update_master_config, or maybe update_all_config 'master'.

Shell used for illustration here, but this all applies to Admin interface as well.



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