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https://issues.apache.org/jira/browse/HBASE-3909?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13037141#comment-13037141
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Ted Yu commented on HBASE-3909:
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I went over HADOOP-7001.5.patch
We have the following decision to make:
1. HADOOP-7001 is in trunk only. Are we going to pull the interface/base
class/util class over to hbase ?
2. ReconfigurationServlet would be convenient for admin to use. Are we going to
support reloading conf from hbase shell ?
3. HADOOP-7001 provides fine-grained property reconfig through
reconfigurePropertyImpl() calls. Shall we also provide coarse-grained property
reconfig mechanism ? e.g. we can notify AssignmentManager of the properties it
uses whose values have just changed. This mechanism is also related to
getReconfigurableProperties(). I think HMaster, AssignmentManager, etc would
all extend ReconfigurableBase.
> Add dynamic config
> ------------------
>
> Key: HBASE-3909
> URL: https://issues.apache.org/jira/browse/HBASE-3909
> Project: HBase
> Issue Type: Bug
> Reporter: stack
>
> 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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