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https://issues.apache.org/jira/browse/HBASE-3833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13028053#comment-13028053
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Todd Lipcon commented on HBASE-3833:
------------------------------------
I find these include/exclude files just as confusing here in HBase as they've
always been in Hadoop. Some users are less polite and call them "insane" :)
Could you please do a favor and fill in the following table?
|| Include present || Exclude present || In include || In exclude || Result at
startup || Result after refresh ||
| o | o | o | o | ? | ? |
| o | x | o | o | ? | ?|
| o | x | o | x | ? | ?|
| x | o | o | o | ? | ?|
| x | o | x | o | ? | ?|
| x | x | o | o | ? | ?|
| x | x | o | x | ? | ?|
| x | x | x | o | ? | ?|
| x | x | x | x | ? | ?|
Rather than this very complicated structure, how about a simpler format,
something like:
host.rules:
{code}
<regex> (allow|deny)
...
{code}
where we ship a default config that looks like:
{code}
.* allow
{code}
> ability to support includes/excludes list in Hbase
> --------------------------------------------------
>
> Key: HBASE-3833
> URL: https://issues.apache.org/jira/browse/HBASE-3833
> Project: HBase
> Issue Type: Improvement
> Components: client, regionserver
> Affects Versions: 0.90.2
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Attachments: excl-patch.txt
>
>
> An HBase cluster currently does not have the ability to specify that the
> master should accept regionservers only from a specified list. This helps
> preventing administrative errors where the same machine could be included in
> two clusters. It also allows the administrator to easily remove un-ssh-able
> machines from the cluster.
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