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https://issues.apache.org/jira/browse/HBASE-3909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13244127#comment-13244127
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Uma Maheswara Rao G commented on HBASE-3909:
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I think syncing the configuration across clusters would be mostly OM kind of
tools functionality. Bringing that into Hadoop/Hbase may not be correct.
I feel the current issue scope would be to allow some way to do the in-memory
config updates with out restarting the node.
And I agree with Todd. OM tools are good in managing configs.
{quote}
¦operations teams are very good at managing text-based configuration files
with tools like puppet, cfengine, etc. It's also easy to version-control these
kinds of configs, add <!-- comments -->, etc. Moving to ZK makes these tasks
more difficult – we'd need lots of tooling, etc.
{quote}
The current limitation point would be that, even though OMs are capable enough
for updating the configurations in all the places, there is no way to make the
nodes reflect with that configs without restart of that node.
I am thinking to proceed with Hadoop-7001 kind of implementation, if there are
no objections.
Also, as a next step we can provide the options like, updating configs from
shell and provide command to reload the config from disk one more..etc
> Add dynamic config
> ------------------
>
> Key: HBASE-3909
> URL: https://issues.apache.org/jira/browse/HBASE-3909
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Fix For: 0.96.0
>
>
> I'm sure this issue exists already, at least as part of the discussion around
> making online schema edits possible, but no hard this having its own issue.
> Ted started a conversation on this topic up on dev and Todd suggested we
> lookd at how Hadoop did it over in HADOOP-7001
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