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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